Hayward, California, is known for its mild and pleasant climate throughout the year.
The city experiences its warmest temperatures during the summer months. In August, the average high is 76°F and the low is 58°F.
The cool season, lasting from late November to mid-February, sees temperatures dipping below 60°F. January is the coldest month, averaging lows of 44°F and highs of 58°F.
The city enjoys a moderate amount of sunshine year-round, which is perfect for outdoor activities like hiking and biking.
With an average of 18 inches of rain annually, the weather rarely disrupts outdoor plans.
Humidity levels hover around a comfortable 50%, making it an inviting place for both residents and visitors.
Hayward’s climate is influenced by its proximity to San Francisco International Airport and its position in the northern hemisphere. This contributes to its stable and enjoyable weather patterns, making it a great destination in the United States of America.
For more detailed climate data, check out the information available here.
Average Temperature in Hayward, California
Hayward, California experiences a Mediterranean climate (Csb), characterized by warm summers and mild winters.
The average high temperature in the summer months, particularly from June to August, typically peaks around 80°F.
The maximum temperature recorded in these months often nears 87°F.
During the winter, the temperatures drop but remain moderate.
The average low temperature in January is about 48°F, with the colder days dipping to around 35°F.
The yearly average temperature in Hayward ranges from 43°F to 76°F.
The temperature rarely deviates outside this range, maintaining comfortable conditions throughout the year.
A climate graph for Hayward might show these variations clearly.
Warm days are more common in Hayward as the year progresses towards the middle months, while cooler days dominate the beginning and end of the year.
For detailed information on the city’s weather statistics, you can explore more about temperature articles at websites like ChaseDay.com.
Average Precipitation in Hayward, California
Hayward experiences moderate rainfall throughout the year with distinct patterns. Snowfall is extremely rare.
Average Rainfall in Hayward, California
Hayward receives an average annual rainfall of about 24 inches. Most of this precipitation occurs during the winter months, from November to March.
January is the wettest month, with an average of around 4.6 inches of rain.
Rainy days are more frequent in winter, often leading to occasional storms.
During summer, the rainfall drops significantly, with some months experiencing nearly no rain at all.
Average Snow in Hayward, California
Snowfall is extremely rare in Hayward due to its mild climate.
The city’s average low temperatures in winter stay above freezing, which prevents snow from forming. In fact, there are usually no recorded snow days.
If snow does occur, it is typically very light and melts quickly.
For more detailed information on snow and ice, you can explore articles on snow and ice.
Average Sun in Hayward, California
Hayward, California enjoys abundant sunshine throughout the year. The city experiences a variety of sun-related factors, including solar energy, sunshine hours, and UV index.
Average Daily Shortwave Solar Energy in Hayward, California
The daily shortwave solar energy in Hayward averages around 5.4 kWh per square meter. This solar energy varies slightly across the seasons.
The highest solar energy is usually observed in the summer months, when average sunshine hours peak. During this time, there can be about 14 hours of daylight, with sunrise around 6 AM and sunset around 8 PM.
Winter daytime can be shorter, with the sunshine hours dropping to about 10 hours per day.
Despite shorter days, winter sun contributes valuable solar energy. The average UV index can also fluctuate, with higher values in summer, requiring caution to prevent sunburn.
Average Humidity in Hayward, California
Hayward, California, experiences varying humidity levels throughout the year.
- In the summer months, June to August, the relative humidity tends to be lower, often averaging around 60% in the afternoons.
- Winters, from December to February, see higher humidity, with values averaging around 75%.
Monthly Average Humidity Levels:
- January: 75%
- February: 72%
- March: 70%
- April: 68%
- May: 65%
- June: 63%
- July: 60%
- August: 60%
- September: 63%
- October: 68%
- November: 72%
- December: 75%
Dew Point:
Hayward’s dew point varies minimally but tends to be comfortable. During most of the year, it remains between 45°F and 55°F, signifying moderate humidity levels.
Humidity Impact:
Hayward’s moderate humidity levels make it comfortable year-round, with neither extreme dryness nor excessive dampness.
For more details, visit the climate statistics for Hayward, California.
Average Wind in Hayward, California
Hayward, California experiences mild to moderate winds throughout the year.
Wind speed in the area generally varies from 5 to 15 mph. Typically, the wind is heightened during the spring and early summer months.
The windiest month is usually April, with average speeds reaching up to 10 mph.
During other months, the wind is relatively calmer, often maintaining a steady pace of around 5 to 8 mph.
Monthly Average Wind Speed
| Month | Wind Speed (mph) |
|---|---|
| January | 5.5 |
| February | 6 |
| March | 7 |
| April | 10 |
| May | 8.5 |
| June | 8 |
| July | 7.5 |
| August | 7 |
| September | 6.5 |
| October | 6 |
| November | 5.5 |
| December | 5 |
Wind direction in Hayward is predominantly from the west.
This westerly wind brings cool air from the Pacific Ocean, helping to moderate the temperature.
During certain parts of the year, the wind might shift to come from the northwest, contributing to slightly higher speeds.
For additional information on wind patterns and their effects, you can visit wind information.
Average Air Quality in Hayward, California
The air quality in Hayward, California is generally good throughout the year.
The current air quality is monitored and reported regularly to help residents plan their daily activities.
Pollutants Monitored
- Particulate Matter (PM2.5, PM10)
- Ozone (O3)
- Nitrogen Dioxide (NO2)
In recent years, the Air Quality Index (AQI) in Hayward has often been in the “Good” category.
For example, the AQI was reported as 17, which is well within the safe range.
Weather Impact
Weather changes, such as variations in temperature and wind speeds, affect air quality.
For instance, on Monday, April 15th, the temperature ranged from 69.8°F to 44.6°F with a wind speed of 6.7 mph. These factors play a role in dispersing or concentrating pollutants.
Historical Air Quality Data
According to weather records, historical trends show that Hayward’s air quality has consistently remained within the “Good” range over the past few years.
Specific areas like Hayward City Hall and Carrick Circle are frequently monitored to provide accurate readings.
Visibility and Pressure
Air quality also affects visibility and atmospheric pressure.
Good air quality maintains higher visibility levels and stable atmospheric pressure, contributing to the overall health of the environment.
Topography of Hayward, California
Hayward, California, is located at 37.6688° N latitude and 122.0808° W longitude. The city sits in the East Bay in the San Francisco Bay Area.
The elevation of Hayward varies across different parts of the city.
In the downtown area, the elevation is roughly 52 feet above sea level, while the foothills can reach elevations of up to 605 feet.
Landscape features of Hayward include gently rolling hills to the east and flat terrain closer to the San Francisco Bay.
The Hayward Fault runs through the eastern part of the city, shaping its unique topography.
Hayward’s proximity to the bay and its combination of flatlands and hilly areas create a diverse environment.
There are also marshlands near the bay, contributing to a variety of ecosystems.
This regional topography impacts local weather patterns and natural events, making Hayward an interesting study in geographical diversity.
The varied landscape aids in several recreational activities such as hiking and outdoor sports.
Extreme Weather Events that Occur in Hayward, California
Hayward, California, experiences various types of extreme weather events throughout the year.
These events have become more notable in recent years due to their increasing frequency and intensity.
Heatwaves
During summer, heatwaves are common in Hayward.
Temperatures can soar above 100°F.
Public facilities such as the Weekes Library and the Kenneth C. Aitken Senior Community Center serve as cooling centers during these times.
Wildfires
California’s wildfire season affects Hayward though it is not as severe as in more forested areas.
Nonetheless, smoke from wildfires can cause poor air quality, affecting the health of residents.
Flooding
Hayward experiences flooding during periods of heavy rain.
Extreme precipitation events, which can lead to flooding, have become more frequent. The risk of flooding is exacerbated by the city’s proximity to the San Francisco Bay.
High Winds
High winds are another extreme weather event that can occur, especially during the winter months.
These winds can cause damage to property and pose a hazard to residents.
Earthquakes
While not weather-related, earthquakes are a significant natural hazard in Hayward due to its location on the Hayward Fault.
These events can be sudden and have severe consequences.
Extreme Temperature Fluctuations
Temperature fluctuations between day and night can be significant, especially in spring and fall.
Daytime temperatures can reach the 80s°F, while nighttime temperatures can drop to the 40s°F.
Hayward’s varied geography and proximity to natural features like the San Francisco Bay contribute to these extreme weather events, making it important for residents to stay informed and prepared.
Best Time of the Year to Visit Hayward, California
Hayward, California, offers pleasant weather for most of the year. To get the best experience, it’s important to understand the seasonal changes and highlights.
What is Hayward, California Like in Spring
Spring in Hayward starts in March and continues through May. Average temperatures range from 55°F to 70°F.
Rain can be expected in March and April, with a few inches of rainfall.
By May, the weather tends to dry up, providing clear skies and mild temperatures.
Spring is a great time to enjoy outdoor activities without the summer crowds. Flowers begin to bloom, making parks and natural areas especially beautiful.
What is Hayward, California Like in Summer
Summer in Hayward, from June to August, features the warmest months.
June temperatures hover around 75°F, but by July and August, it peaks around 80°F.
Rain is rare, and skies are typically clear.
Outdoor events and festivals are common, making it a lively time to visit. The city benefits from coastal breezes, keeping extreme heat at bay.
Warm evenings are perfect for dining outside or strolling through downtown.
What is Hayward, California Like in Fall
Fall in Hayward runs from September through November.
September often remains warm, with temperatures around 75°F. By October, cooler temperatures begin to settle, ranging from 60°F to 70°F.
Rain starts to increase slightly in November, but days are still mostly sunny.
Fall foliage adds a splash of color to parks, making it another ideal time for outdoor activities.
What is Hayward, California Like in Winter
Winter in Hayward spans December to February.
January is the coldest month, with average highs around 58°F and lows near 44°F.
Rain is more frequent, making it the wettest season.
Despite the cooler weather, many days still enjoy some sunshine.
Winter in Hayward is mild compared to many other parts of the country, making it a possible destination even in colder months.
The holiday season brings festive decorations and events.