Glendale, California – Climate and Average Weather Year Round: A Comprehensive Guide

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Located in the northern hemisphere, Glendale, California enjoys a pleasant and mild climate throughout the year.

The hot season lasts from late June to late September, with daily high temperatures around 83°F, making it an ideal time for outdoor activities and exploring the city.

In contrast, the cool season extends from late November to mid-March. During these months, temperatures stay below 71°F, providing a more comfortable experience for those who prefer milder weather.

Glendale benefits from an annual average rainfall of 19 inches, which is much lower than the national average, ensuring mostly sunny days.

In August, the temperatures peak, reaching an average high of 87°F and a low of 66°F. This variation in weather offers residents and visitors a diverse range of conditions to enjoy different activities throughout the year.

Average Temperature In Glendale, California

Glendale, California, experiences warm temperatures year-round.

The hot season lasts for about 2.9 months, from late June to late September. During this period, the average high temperature typically exceeds 83°F.

August is the hottest month, with an average high of 87°F and an average low of 66°F.

The cool season spans 3.9 months, from late November to late March. During these months, the average daily high temperature stays below 70°F.

December is the coolest month, with an average low of 48°F and a high of 66°F.

Monthly Temperature Averages

Month Average High (°F) Average Low (°F)
January 68 47
February 69 49
March 72 52
April 75 55
May 79 60
June 83 64
July 86 68
August 87 66
September 84 64
October 79 58
November 73 51
December 66 48

The city enjoys a Mediterranean climate, which means warm, dry summers and mild, wet winters year-round.

The average temperature across the year hovers around 65°F. This makes Glendale a pleasant place to live with comfortable temperatures most months of the year.

Average Precipitation In Glendale, California

Glendale experiences varying precipitation throughout the year, with most rainfall occurring in the winter months. Snow is rare in this region.

Average Rainfall In Glendale, California

Rainfall in Glendale, California, is mostly concentrated during the winter months.

December usually sees the highest amount of precipitation, averaging about 82 mm.

The yearly average rainfall totals about 8.35 inches. Rainy days are generally spaced out, with approximately 50.4 days of rain in a typical year.

During the dry season, particularly from April to November, rain is quite rare. These months often feature clear skies and warm temperatures, making them ideal for outdoor activities.

The rainfall data is compiled over a 30-year period to provide a reliable average.

Average Snow In Glendale, California

Snowfall is extremely rare in Glendale due to its mild winter climate.

The temperatures in winter generally hover around the mid-40s to 50s°F, which is too warm for snow. When precipitation occurs, it is typically in the form of rain.

Residents and visitors should not expect to see snow, as the region’s climate remains far too warm for snow accumulation. For those interested in snow and ice, other regions or higher elevations would be more suitable.

Average Sun In Glendale, California

Glendale, California enjoys abundant sunshine throughout the year, with significant daily sun exposure and daylight hours. The UV index is also notable, peaking during the summer months.

Average Daily Shortwave Solar Energy In Glendale, California

In Glendale, the amount of daily shortwave solar energy received varies by season.

During summer, it peaks, offering about 7.9 kWh per square meter per day in June and July. Winter months see lower values, with December averaging around 3.1 kWh per square meter per day.

Daylight hours fluctuate as well, with the longest days occurring in June, providing up to 14.5 hours of sunlight. December experiences the shortest days, with daylight lasting around 9.6 hours.

UV index in Glendale is highest in summer, often reaching levels between 8 and 10, which requires protective measures when exposed to the sun for extended periods. Spring and fall have moderate UV indices, while winter sees the lowest UV levels.

For more details on Glendale’s climate, you can refer to resources like Weather Spark or Weather Atlas.

Average Humidity In Glendale, California

Glendale experiences varied humidity levels throughout the year.

May is the most humid month, with an average relative humidity of 73.0%. November tends to be the driest, having an average humidity of 50.0%.

Annual average relative humidity in Glendale is about 65%. For further details, you can check detailed climate data.

When it comes to the dew point—which is an indicator of humidity—the mean annual dew point hovers around 47°F. You can explore more at this climate overview.

The hot season from June 27 to September 25 experiences lower humidity levels, often combined with higher temperatures, which makes it feel drier.

Winter months show different humidity behaviors. From November to March, higher humidity levels are noticed compared to the hot season. These times can feel more humid even though temperatures are cooler.

Here’s a table for quick reference:

Month Humidity (%)
January 55
May 73
November 50

For deeper insights on monthly weather averages, including humidity, you can explore weather conditions in Glendale, CA.

Average Wind In Glendale, California

Glendale experiences varying wind speeds throughout the year. Most of the time, wind speeds are moderate and do not cause significant disruptions.

The windiest month in Glendale tends to be April. During this month, the average wind speed can reach around 8 mph.

Throughout the year, the average wind speed in Glendale is stable. It typically ranges from 5 to 8 mph. These speeds are measured at a height of 10 meters above the surface.

Month Avg. Wind Speed (mph)
January 5
April 8
July 7
October 6

The wind patterns in Glendale are influenced by the geographical location and season.

Generally, the winds are not severe, making it a pleasant place to live and visit. You can learn more about wind patterns by checking related resources on wind.

It’s important for residents and tourists to be aware of the wind conditions, especially during the windiest month of April. Being prepared helps in planning outdoor activities more effectively.

Wind speeds are just one aspect of Glendale’s climate. Combined with mild temperatures and low precipitation, the overall weather conditions are quite favorable.

The gentle breeze throughout the year contributes to the comfort and livability of Glendale. Whether you are a visitor or a resident, the wind speeds generally add to the pleasant atmosphere of this California city.

Average Air Quality In Glendale, California

The air quality in Glendale, California varies throughout the year. Residents experience different levels of air pollution due to factors like weather, traffic, and industrial activities.

Air Quality Index (AQI)

The AQI in Glendale typically ranges from Good to Moderate. According to recent records, days with Good AQI are common.

AQI Category Description Health Implications
Good 0-50 Air quality is satisfactory.
Moderate 51-100 Acceptable, but some may be sensitive.

Daily Observations

On days when AQI is at its best, Glendale enjoys clear skies with low levels of pollutants like PM2.5 and nitrogen dioxide. During these days, visibility is high and cloud cover is minimal.

Example Observation:

  • AQI: 48
  • Temperature: 87.8°F
  • Visibility: High
  • Cloud Cover: Low
  • Wind: 8.9 mph

Historical Data

Past records show variations in air quality across different seasons.

For instance, summer months often have higher temperatures and slightly poorer air quality due to increased vehicle emissions and other pollutants.

Improving Air Quality

Glendale has taken steps to improve air quality, including monitoring pollution levels and encouraging the use of air purifiers and face masks.

Residents are advised to check real-time air quality data through platforms like AccuWeather or IQAir to stay informed.

By staying aware of daily air quality and taking precautions, residents can better manage their health and activities throughout the year.

Topography Of Glendale, California

Glendale, California, located in Los Angeles County, features a varied topography. The city spans from the base of the San Gabriel Mountains and includes flat valley areas as well as rugged hills.

The elevation in Glendale ranges from around 400 to 1,400 feet above sea level. The average elevation is approximately 433 feet.

Prominent Landforms:

  • San Rafael Hills: These hills run through the northern part of Glendale, providing scenic views and hiking trails.
  • Valley Areas: Much of Glendale consists of flat, urbanized valley regions ideal for residential and commercial developments.

Climate Influences:

  • Mountains: The mountains to the north can affect weather patterns, sometimes leading to cooler temperatures in higher elevations.

Geographical Details:

  • Latitude and Longitude: Located at approximately 34°8′N and 118°15′W.
  • Terrain: The terrain includes both developed urban areas and natural landscapes with significant elevation changes.

This mix of valleys and hills creates unique microclimates within Glendale, influencing everything from housing design to vegetation types.

Extreme Weather Events That Occur In Glendale, California

Glendale, California, experiences several types of extreme weather events throughout the year. Although the climate is generally mild, certain conditions can pose significant challenges.

Heatwaves are a common extreme weather event in Glendale. During summer, temperatures can spike above 100°F, causing risks related to heat exhaustion and heatstroke.

Wildfires are another critical concern. The dry, hot conditions can lead to devastating fires, particularly in the hills and mountains surrounding Glendale.

These fires can cause significant damage to property and pose serious health risks due to smoke and poor air quality.

Extreme Rainfall is less frequent but can have impactful consequences.

Heavy rains can lead to flooding, especially in low-lying areas.

A notable event saw intense rain leading to over 12 inches of rain in a few days, which is highly unusual for the region.

The city occasionally experiences hailstorms, though these are less common. Hail can damage vehicles, homes, and plants, adding to the already tricky conditions residents face.

Santa Ana Winds are strong, dry winds that blow through Southern California in the fall and winter.

These winds can exacerbate wildfires and cause power outages due to fallen trees and power lines.

Here’s a quick look at some of Glendale’s extreme weather events:

Event Characteristics
Heatwaves Temperatures above 100°F
Wildfires Dry, hot conditions lead to fires
Extreme Rainfall Over 12 inches of rain in short periods
Hail Occasional, can damage property
Santa Ana Winds Strong, dry, increase wildfire risk

Best Time Of The Year To Visit Glendale, California

Glendale, California offers a mix of pleasant weather for most of the year, but each season has its unique appeal. This guide breaks down what to expect during each season to help you decide the best time to plan your visit.

What Is Glendale, California Like In Spring

Spring in Glendale spans March, April, and May.

Temperatures are mild, typically ranging from high 60s to mid-70s in degrees Fahrenheit.

It is a great time to explore outdoor activities, as the weather is neither too hot nor too cold.

Rainfall is minimal, with occasional light showers, making the landscape lush and vibrant.

Days get longer, offering more daylight for sightseeing and activities. This is a good time for hiking and visiting local parks.

Flowers begin to bloom in local gardens and parks.

Events and festivals, common in spring, give visitors a chance to experience local culture. Spring is considered one of the most pleasant times to explore Glendale.

What Is Glendale, California Like In Summer

Summer, spanning June, July, and August, is the hottest time in Glendale.

The temperature often rises above 87°F, particularly in August, which is the hottest month.

This season is perfect for those who enjoy warm weather and outdoor activities like swimming or visiting the beach.

Rain is almost nonexistent in summer, ensuring sunny days.

However, high temperatures may make midday outings uncomfortable, so it is advisable to engage in outdoor activities in the early morning or late afternoon.

Longer daylight hours extend opportunities for outdoor adventures.

Festivals and events continue, and the city’s lively atmosphere peaks. Despite the heat, summer sees a surge in tourism due to school vacations and holiday breaks.

What Is Glendale, California Like In Fall

Fall in Glendale covers September, October, and November.

Temperatures begin to cool down, with highs ranging from the mid-70s to low 80s in September and gradually falling.

This season offers a break from the intense summer heat but remains warm and comfortable.

Rainfall is still minimal, and days are shorter compared to summer.

The comfortable temperatures make it an excellent time for outdoor activities such as hiking and strolling through the city.

Fall is marked by various local events and festivals, offering a blend of cultural experiences. The season is ideal for visitors looking for good weather and fewer crowds compared to summer.

What Is Glendale, California Like In Winter

Winter in Glendale lasts from December to February. It is the coolest season, with December being the coldest month.

Temperatures range from the low 50s to the high 60s in degrees Fahrenheit.

Rainfall is more frequent compared to other seasons, averaging around 8.35 inches annually, which refreshes the area’s flora.

Despite being the rainy season, there are many clear days with good weather.

Winter is a quieter time for tourism, making it perfect for visitors who prefer less crowded spaces.

Activities like exploring local museums or enjoying indoor entertainment are ideal during this season.

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