Arlington, Virginia, boasts a humid subtropical climate that offers residents and visitors distinct seasons throughout the year.
The hot season spans from late May to mid-September, with daily highs frequently above 78°F.
July stands out as the warmest month, reaching average highs of 87°F and lows around 70°F.
In contrast, the winter months bring milder conditions, with temperatures dropping below 51°F from late November to early March.
During January, the average high is about 43°F, while lows can dip to 29°F.
This variety in temperature makes Arlington a destination with a broad weather spectrum.
The area gets about 43 inches of rain annually, contributing to its lush surroundings.
With about 212 sunny days per year, there’s plenty of opportunity to enjoy outdoor activities.
When planning a visit or a move, understanding Arlington’s weather conditions throughout the year can help manage expectations and seasonal preparations.
The climate graph of Arlington offers a clear picture of monthly temperatures and precipitation, making it easier to anticipate what each month will bring.
Average Temperature in Arlington, Virginia
The average annual temperature in Arlington, Virginia is 59°F. This is a mix of warm summers and cold winters.
Summer spans from late May to mid-September. During this period, high temperatures often exceed 78°F.
July stands out as the hottest month, with an average high of 87°F and a low of 70°F.
Winter stretches from late November to early March. January is typically the coldest month, with an average high of 41°F and a low of 28°F.
Here’s a quick look at the monthly average high and low temperatures:
| Month | Average High | Average Low |
|---|---|---|
| January | 41°F | 28°F |
| February | 45°F | 31°F |
| March | 54°F | 38°F |
| April | 65°F | 47°F |
| May | 75°F | 56°F |
| June | 83°F | 65°F |
| July | 87°F | 70°F |
| August | 85°F | 68°F |
| September | 79°F | 61°F |
| October | 67°F | 49°F |
| November | 56°F | 40°F |
| December | 46°F | 32°F |
Arlington enjoys about 212 sunny days per year. This gives residents plenty of opportunities to enjoy outdoor activities.
In addition to the monthly averages, the region gets around 43 inches of rain annually, contributing to its relatively mild climate.
Average Precipitation in Arlington, Virginia
Arlington, Virginia experiences a diverse range of precipitation throughout the year. Rainfall and snowfall are two key components that define its climate.
Average Rainfall in Arlington, Virginia
Arlington receives about 43 inches of rain per year.
Rainy days are fairly spread out through the year, contributing to a consistent moisture level.
The month with the least rainfall is January, with an average of 9.3 rainy days resulting in about 1.57 inches of rain.
May, in contrast, typically sees more rainfall, marking it as one of the wetter months.
Rainfall can vary from light drizzles to more intense showers.
Understanding these patterns helps residents prepare for seasonal changes, whether it’s ensuring proper drainage or planning activities accordingly.
Summers are generally hot, but rain still occurs periodically, adding to the yearly total precipitation.
Average Snow in Arlington, Virginia
Snowfall in Arlington is seasonal and mainly occurs during the winter months.
The cold season spans from November 30 to March 3, with temperatures often dropping below freezing, supporting snow accumulation.
Arlington averages 15 inches of snow annually.
January is usually the snowiest month.
Snow can range from light flurries to more severe snowstorms, which can impact daily life.
For detailed predictions and updates on snow and ice, ChaseDay offers extensive coverage.
Preparing for snow is crucial, from shoveling sidewalks to ensuring vehicles are winter-ready. These measures help manage the challenges posed by the snowy conditions.
Average Sun in Arlington, Virginia
Arlington, Virginia enjoys a fair amount of sunshine throughout the year. This makes it an appealing place for outdoor activities and various events.
Average Daily Shortwave Solar Energy in Arlington, Virginia
In Arlington, the amount of solar energy varies with the seasons.
During the summer months, the average daily solar energy peaks. This period provides the most hours of sunshine and daylight, allowing residents to enjoy more outdoor activities.
Spring and Summer: March through August sees an increase in daily solar energy. These months benefit from longer days and more hours of sunshine.
July, in particular, offers the highest amount with around 213 sunny days annually.
Fall and Winter: From September to February, the average daily solar energy decreases.
Although there are fewer daylight hours, clear winter days can still offer pleasant sunny periods. Generally, December and January have the least sunshine.
This predictable pattern influences local lifestyles and activities, making certain times of the year ideal for specific events.
For more detailed climate information, visit Climate Arlington – Virginia and Weather averages Arlington.
Average Humidity in Arlington, Virginia
The average humidity in Arlington, Virginia, varies throughout the year.
August is the most humid month, with an average relative humidity of 69%. In contrast, March has the least humidity, averaging 58%.
Here is a brief look at the average monthly relative humidity:
- January: 64%
- February: 62%
- March: 58%
- April: 60%
- May: 63%
- June: 66%
- July: 68%
- August: 69%
- September: 66%
- October: 62%
- November: 62%
- December: 65%
The overall annual average relative humidity in Arlington is about 64%.
For more detailed information on monthly averages, visit World Weather & Climate Information.
Average Wind in Arlington, Virginia
Arlington, Virginia experiences varying wind speeds throughout the year.
Wind speeds are generally measured at a height of 10 meters above the surface.
The average wind speed in Arlington is around 14 mph.
January tends to be one of the calmer months, with average wind speeds around 10-12 mph.
The windiest month in Arlington is usually March, where speeds can reach up to 15 mph.
Here is a summary table showing monthly wind speeds:
| Month | Avg Wind Speed (mph) |
|---|---|
| January | 10-12 |
| February | 11-13 |
| March | 15 |
| April | 13-14 |
| May | 12-13 |
| June | 11-12 |
| July | 10-11 |
| August | 10-11 |
| September | 11-12 |
| October | 12-13 |
| November | 13-14 |
| December | 11-12 |
Arlington’s location influences these wind patterns.
Spring and fall months tend to have increased wind activity compared to summer.
To learn more about wind properties, additional reading can be found here.
Wind speeds have an impact on daily life in Arlington, from outdoor activities to aviation.
Understanding wind patterns helps in planning and preparing for various weather conditions during the year.
Average Air Quality in Arlington, Virginia
Arlington, Virginia generally enjoys good air quality throughout the year.
The Air Quality Index (AQI) is used to measure air pollution levels, with lower numbers indicating better air quality.
In most months, the AQI in Arlington falls within the “Good” range. For example, readings such as 24 AQI indicate low levels of pollutants like PM2.5 and PM10.
During certain months, the air quality shifts to the “Moderate” range, which can occasionally affect sensitive groups.
July typically sees higher PM2.5 levels, around 12.1 µg/m³, leading to moderate air quality.
Example AQI Readings:
- Boulevard Manor: 32 AQI
- Dominion Hills: 32 AQI
- West McLean: 48 AQI
These readings highlight the variability in air quality across Arlington neighborhoods.
Pollutants Monitored:
- Ozone
- Particulate Matter (PM2.5 and PM10)
- Carbon Monoxide
Monitoring these pollutants helps residents stay informed and make healthier choices.
Monthly Variation:
- Good Quality: January and February usually have AQI levels under 10.
- Moderate Quality: November and December can see AQI numbers rising to around 13.4 µg/m³.
Real-time data and forecasts are available on various platforms like IQAir and AccuWeather, making it easy for residents to track air quality.
Topography of Arlington, Virginia
Arlington, Virginia is located at approximately 38.88° N latitude and 77.10° W longitude.
The county sits directly across the Potomac River from Washington, D.C.
Arlington is characterized by its rolling hills and proximity to various water bodies.
The Potomac River forms the county’s eastern and southern borders, creating a natural landscape that is both picturesque and functional.
The elevation in Arlington varies, with the highest point around 461 feet above sea level and the lowest elevation near the Potomac River at approximately 10 feet.
This variation adds to the county’s diverse topography.
Key Features:
- Rolling Hills: Provide scenic views and create a varied landscape.
- Proximity to the Potomac River: Great for recreational activities and scenic beauty.
- Urban Development: Despite being densely populated, the topography supports numerous parks and green spaces.
Table: Elevation at Notable Locations
| Location | Elevation (feet) |
|---|---|
| Highest Point | 461 |
| Near Potomac River | 10 |
Arlington’s location and topography not only offer beautiful landscapes but also diverse recreational opportunities. The rolling hills and waters of the Potomac contribute to Arlington’s unique charm and character.
Extreme Weather Events That Occur in Arlington, Virginia
Arlington, Virginia experiences a range of extreme weather events due to its climate.
Hurricanes and Tropical Storms
Hurricanes and tropical storms can affect Arlington. These events bring heavy rainfall, strong winds, and the potential for flooding.
The remnants of hurricanes that hit the Gulf Coast or Southeast often impact Arlington.
Snowstorms and Blizzards
During winter, Arlington can experience intense snowstorms and blizzards.
These events can lead to significant snowfall, sometimes exceeding 10 inches.
The cold season in Arlington lasts from November 30 to March 3 with average high temperatures below 51°F.
Extreme Heat
Summer months can bring extreme heat.
The hot season, from May 29 to September 15, sees daily high temperatures above 78°F.
July is the hottest month with an average high of 87°F. Heatwaves can lead to temperatures soaring above 90°F.
Flooding
Heavy rainfall events can cause flooding, especially in low-lying areas.
Flash floods are common during intense rainstorms. Precipitation data shows extreme events where rainfalls exceed normal amounts significantly.
| Event | Time Period | Effect |
|---|---|---|
| Hurricanes | Late summer, early fall | Heavy rain, strong winds, flooding |
| Snowstorms | Winter (Dec-Feb) | Heavy snowfall, cold temperatures |
| Extreme Heat | Summer (June-Aug) | High temperatures, heatwaves |
| Flooding | Year-round | Water overflow, flash floods |
For more detailed data, see the Virginia Climate Center.
Best Time of the Year to Visit Arlington, Virginia
Arlington, Virginia experiences distinct seasons with varying weather patterns that offer something for everyone.
Whether you enjoy warm summers or cooler, crisp autumn days, there’s an ideal time for your visit.
What is Arlington, Virginia Like in Spring
Spring in Arlington is pleasant and mild.
During March, temperatures start to rise, averaging between 40°F at night to 60°F during the day.
April sees further warm-ups, with daytime highs reaching around 70°F.
May continues to get warmer with high temperatures around 78°F and lows around 57°F.
This season brings blooming flowers and an explosion of greenery.
Rainfall is moderate, averaging about 4 inches per month.
Spring is also a great time to enjoy outdoor activities, such as visiting local parks or walking along the Potomac River.
The National Cherry Blossom Festival in nearby D.C. is an added attraction during this time.
What is Arlington, Virginia Like in Summer
Summer in Arlington is hot and humid.
From June to August, temperatures often exceed 78°F.
July is the hottest month with highs around 87°F and lows around 70°F.
Rainfall is slightly higher during summer, averaging about 4-5 inches per month.
Thunderstorms are common but usually brief.
Visitors can cool off at nearby pools or enjoy air-conditioned museums.
Despite the heat, summer is filled with festivals, outdoor concerts, and community events.
Hiking and biking trails are popular, but it’s wise to venture out early or late in the day to avoid peak heat.
What is Arlington, Virginia Like in Fall
Fall in Arlington brings cooler temperatures and stunning foliage.
September remains warm, with highs in the upper 70s°F.
By October, expect temperatures to range from 50°F at night to around 70°F during the day.
November cools further, with highs around 60°F and lows dipping into the 40s°F.
Rainfall remains consistent, averaging 3-4 inches per month.
What is Arlington, Virginia Like in Winter
Winters in Arlington are cold and often snowy.
From December through February, daytime highs average between 40°F and 50°F, while nighttime lows hover around 30°F.
January is the coldest month, with temperatures sometimes dropping below freezing.
Snowfall varies but averages about 15 inches per winter season. Meanwhile, rainfall during this period is about 2-3 inches per month.
Despite the cold, winter offers indoor activities like museums and theaters.
Arlington is festive during the holiday season, with lights and events that bring cheer.
Dress warmly and enjoy the winter charm.