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Contents
- The climate of Arlington
- The best time to visit Arlington
- The worst time to visit Arlington
- Spring weather in Arlington
- Summer weather in Arlington
- Autumn weather in Arlington
- Winter weather in Arlington
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Arlington
Arlington, Virginia, nestled geographically on the eastern coast of the United States, is categorized under the Köppen climate classification as a Humid subtropical climate, denoted by 'Cfa'. This classification signifies that Arlington experiences no dry season, with moisture present throughout the year from rainfall and overall humidity.
Arlington's weather presents relatively mild features all year round. The average high temperatures range from 40.6°F (4.8°C) in January to a peak of 88°F (31.1°C) in July, whereas the mean low temperatures can vary between 27.5°F (-2.5°C) in January to 69.1°F (20.6°C) from July. It signifies a moderate thermal amplitude through twelve months of the year. Similarly, the monthly humidity stays relatively consistent, fluctuating marginally between 71% to 76%.
Rainfall in Arlington is well distributed throughout the year, with the highest recorded average of 3.46" (88mm) in August. The number of rainfall days also varies moderately, from a low of 8.1 days in November to a peak of 16.4 days in July. In terms of snowfall, measurements indicate minimal snowfall with just 2.17" (55mm) in January, tapering down to a negligible amount towards the end of the year, signaling a not overtly harsh winter.
Considering daylight hours, the shortest day in the year is in December with 9.5 hours, increasing gradually to a maximum of 14.9 hours in June. The sunshine follows a similar trajectory with a low of 5.1 hours per day in winter months (January, February, and December) escalating to an impressive 10.7 hours in July.
Arlington's weather also describes a modest wind movement with average speeds in the range from 5.1mph (8.2km/h) to 7.9mph (12.7km/h), with the highest gust speeds reaching around 11.7mph (18.8km/h).
Arlington's weather presents relatively mild features all year round. The average high temperatures range from 40.6°F (4.8°C) in January to a peak of 88°F (31.1°C) in July, whereas the mean low temperatures can vary between 27.5°F (-2.5°C) in January to 69.1°F (20.6°C) from July. It signifies a moderate thermal amplitude through twelve months of the year. Similarly, the monthly humidity stays relatively consistent, fluctuating marginally between 71% to 76%.
Rainfall in Arlington is well distributed throughout the year, with the highest recorded average of 3.46" (88mm) in August. The number of rainfall days also varies moderately, from a low of 8.1 days in November to a peak of 16.4 days in July. In terms of snowfall, measurements indicate minimal snowfall with just 2.17" (55mm) in January, tapering down to a negligible amount towards the end of the year, signaling a not overtly harsh winter.
Considering daylight hours, the shortest day in the year is in December with 9.5 hours, increasing gradually to a maximum of 14.9 hours in June. The sunshine follows a similar trajectory with a low of 5.1 hours per day in winter months (January, February, and December) escalating to an impressive 10.7 hours in July.
Arlington's weather also describes a modest wind movement with average speeds in the range from 5.1mph (8.2km/h) to 7.9mph (12.7km/h), with the highest gust speeds reaching around 11.7mph (18.8km/h).
The best time to visit Arlington
Evaluating the weather data, the best period to visit Arlington would be between May to October. In these months, average highs vary between 74.5°F (23.6°C) to 85.8°F (29.9°C) - providing a warm comfortable environment that is not excessively hot. Also, this period coincides with longer daylight hours (between 13.6 hours to 14.9 hours) and relatively greater sunshine hours (between 8.9 hours to 10.7 hours). June, in particular, wields maximum daylight, making it an optimal time for outdoor activities.
The worst time to visit Arlington
The period from December to February is likely to present the least favorable conditions for a visit. The average temperatures dip to their lowest, with highs from 40.6°F (4.8°C) to 44.8°F (7.1°C) and lows plunging between 27.5°F (-2.5°C) to 34.2°F (1.2°C). Moreover, snowfall, although not significant, is present in these months, and the number of daylight hours reduces to a yearly low (between 9.5 hours to 10.8 hours).
Spring weather in Arlington
Spring weather in Arlington unfolds from March to May. During this period, temperatures scale up from an average high of 53.2°F (11.8°C) to 74.5°F (23.6°C) and a low from 37.2°F (2.9°C) to 57°F (13.9°C). The rainfall volume also sees an increment from 1.93" (49mm) to 2.64" (67mm).
Summer weather in Arlington
Come June, Arlington transitions into summer, which continues till August. Average high temperatures surge to 82.8°F (28.2°C) in June, peaking at 88°F (31.1°C) in July. Lows during this time are also relatively high (between 64.2°F (17.9°C) to 69.1°F (20.6°C)), ensuring overall warm weather.
Autumn weather in Arlington
Autumn, extending from September to November, demonstrates highs falling from 78.4°F (25.8°C) to 54.9°F (12.7°C) and lows tumbling from 61.9°F (16.6°C) to 39.7°F (4.3°C). This period also experiences varying rainfall, with a peak in September and a moderate drop by November.
Winter weather in Arlington
December signals the beginning of winter in Arlington, characterizing cool temperatures with highs trailing between 46°F (7.8°C) to 40.6°F (4.8°C) and lows between 34.2°F (1.2°C) to 27.5°F (-2.5°C). Snowfall making a light appearance in December and January, while the daylight hours decrease to their annual minimum.
Weather in January
January offers a colder start to the year with some of the lowest temperature readings in Arlington, Virginia. Highs hover only around 40.6°F (4.8°C), while lows frequently drop to 27.5°F (-2.5°C), making it one of the coldest months. Weather in January »
Weather in February
As Arlington moves beyond the clasp of winter, February sees a gradual climb in temperatures from the previous month. Witness the city's landscapes blanketed with occasional snowfall, while rainfall persists, keeping the weather conditions moist and somewhat cold. Weather in February »
Weather in March
March marks the onset of spring in Arlington, Virginia, offering warmer temperatures and longer daylight hours from the previous months. The city experiences an accelerated phase of transitioning weather patterns, embracing more rainfall but lesser snowfall than February. Weather in March »
Weather in April
April showers ring true in Arlington, with a marked increase in rainfall from March. The city faces moist conditions due to these frequent rainfall events, which contribute to the lush, blooming landscapes. Furthermore, longer daylight hours from 13.2 hours per day offer ample opportunity for outdoor activities. Weather in April »
Weather in May
May in Arlington brings an unmistakable indication of the imminent summer season. The weather displays a significant rise in temperature and humidity from the previous months, ironically coupled with increased rainfalls. Longer daylight hours serve as an invitation to explore the outdoors, while the UV index escalates to 6, prompting high protection against harm from the sun. Weather in May »
Weather in June
Warmer days await Arlington in June with temperatures escalating steadily from May. The city is immersed in a unique blend of increasing temperature and relative humidity, marking the peak of the transitional period between spring and summer. Weather in June »
Weather in July
July is undisputedly the hottest month in Arlington, with temperatures soaring up to an areal high of 88°F (31.1°C). Despite being at the height of summer, the city doesn't shy away from rainfall, often leading to a humid climate. Weather in July »
Weather in August
August continues the summer heat in Arlington, albeit with slightly lower temperatures from July. The weather remains warm, and the city can expect more rainfall. Due to these factors, the city often faces high levels of humidity making air conditioning rather essential. Weather in August »
Weather in September
The arrival of September brings a significant change in Arlington's weather, hinting at the approaching fall season. The temperatures begin to descend from the summer highs, and the daylight hours gradually decrease. Despite these changes, people can still enjoy outdoor activities as rainfall reduces considerably from the previous months. Weather in September »
Weather in October
October in Arlington cherishes the crisp autumn air with much lower temperatures from September. The city dances in the hues of fall, making it a great time for leaf-peeping activities and hikes. With daylight hours lessening and a noticeable decrease in the UV index, the intensity of the sun gradually tapers. Weather in October »
Weather in November
November sees a substantial decrease of temperature, marking the initiation of the cold season in Arlington. As the last leaves fall, the city starts preparing for the impending winter. With daylight hours dipping, and the temperatures going down, it is essential to gear up in warm clothing. Weather in November »
Weather in December
December welcomes the onset of winter in Arlington with colder temperatures taking center stage. Snowfall marks its reappearance, averaging around 0.79" (20mm), along with persistent rainfall events. The city faces its shortest daylight hours this month, while the UV index drops to the lowest point at 2, reducing the risk of harm from sun exposure. Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Arlington?
Arlington, Virginia, notes the coldest temperatures in January, with a average high of 40.6°F (4.8°C) and a low of 27.5°F (-2.5°C).
What is the driest month in Arlington?
The month with the least rainfall in Arlington, Virginia, is January, when the rain falls for 9.3 days and typically collects 1.57" (40mm) of precipitation.
How many days does it rain in Arlington?
In Arlington, Virginia, during the entire year, the rain falls for 149.1 days and collects up to 26.14" (664mm) of precipitation.
When does it snow in Arlington?
Months with snowfall in Arlington, Virginia, are January through March and December.
What is the snowiest month in Arlington?
The month with the most snowfall in Arlington, Virginia, is January, when snow falls for 3.8 days and typically aggregates up to 2.17" (55mm) of snow.
How much does it snow in Arlington?
Throughout the year, in Arlington, there are 11.7 snowfall days, and 6.3" (160mm) of snow is accumulated.
What is the month with the least sunshine in Arlington?
The months with the least sunshine in Arlington, Virginia, are January, February and December, with an average of 5.1h of sunshine.
What are the months with the lowest UV index in Arlington?
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Arlington.
When is Daylight Saving Time (DST) in Arlington?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Arlington, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the least humid month in Arlington?
April and July, with an average relative humidity of 71%, are the least humid months in Arlington, Virginia.
When it does not snow in Arlington?
April through November are months without snowfall in Arlington, Virginia.
What is the most humid month in Arlington?
The most humid month in Arlington, Virginia, is May, with an average relative humidity of 76%.
When are the longest days in Arlington?
With an average of 14h and 48min of daylight, June has the longest days of the year in Arlington.
What is the month with the highest UV index in Arlington?
June is the month with the highest UV index in Arlington, Virginia, with an average maximum UV index of 7.
What is the warmest month in Arlington?
With average high temperatures of 88°F (31.1°C) and lows of 69.1°F (20.6°C), July is the warmest month in Arlington, Virginia.
What month has the most sunshine in Arlington?
The month with the most sunshine in Arlington, Virginia, is July, with an average of 10.7h of sunshine.
What is the wettest month in Arlington?
August is the month with the most rainfall in Arlington, Virginia. Rain falls for 15.5 days and accumulates 3.46" (88mm) of precipitation.
What is the month with the shortest days in Arlington?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Arlington, VA
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.6°F).
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure
Arlington, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Arlington, VA
- Average wind speed in January:
7.6mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.9mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Arlington, VA
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall
Arlington, VA
- Average rainfall in January:
1.57" - Average rainfall in February:
1.77" - Average rainfall in March:
1.93" - Average rainfall in April:
2.09" - Average rainfall in May:
2.64" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.76" - Average rainfall in August:
3.46" - Average rainfall in September:
1.85" - Average rainfall in October:
2.01" - Average rainfall in November:
1.73" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days
Arlington, VA
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
10 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.1 days).
Average snowfall
Arlington, VA
The month with the highest snowfall is January (2.17").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Arlington, VA
- Average snowfall days in January:
3.8 days - Average snowfall days in February:
3.8 days - Average snowfall days in March:
2.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
1.7 days
The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Arlington, VA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days
Arlington, VA
- Average sunshine days in January:
18.2 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
19.3 days - Average sunshine days in November:
20 days - Average sunshine days in December:
19 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.8 days).
Average UV index
Arlington, VA
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Arlington, VA
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Arlington, VA
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Arlington, Virginia, USA
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