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Contents
- 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
Weather in January
January, the same as December, is an icy winter month in Washington, Virginia, with an average temperature ranging between max 38.7°F (3.7°C) and min 23.9°F (-4.5°C). January, with its average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 23.9°F (-4.5°C), holds the record as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Washington, Virginia, with an average temperature varying between 27°F (-2.8°C) and 43.3°F (6.3°C). As February unfolds, the average high-temperature reaches a chilly 43.3°F (6.3°C), hinting at a slight fluctuation from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Washington, Virginia, with an average temperature ranging between max 51.3°F (10.7°C) and min 33.4°F (0.8°C). March's arrival signals a subtle increase in average high-temperatures, moving from February's frosty 43.3°F (6.3°C) to a cool 51.3°F (10.7°C). Weather in March »
Weather in April
April in Washington, Virginia, is an enjoyable spring month, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 63.1°F (17.3°C). In April, the average high-temperature increases from a fresh 51.3°F (10.7°C) in March to a comfortable 63.1°F (17.3°C). Weather in April »
Weather in May
May, the last month of the spring in Washington, is an agreeable month, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 73°F (22.8°C). The shift from April to May sees an increase in the average high-temperature, transitioning from a comfortable 63.1°F (17.3°C) to a pleasant 73°F (22.8°C). Weather in May »
Weather in June
June, the first month of the summer in Washington, is a moderately hot month, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 81°F (27.2°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a pleasant 73°F (22.8°C) to a warm 81°F (27.2°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Washington, Virginia, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 62.6°F (17°C). The highest temperatures are recorded in July, with averages reaching a high of 85.6°F (29.8°C) and a low of 62.6°F (17°C). In July, the heat index is appraised at a sweltering 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Washington, Virginia, with an average temperature fluctuating between 61.3°F (16.3°C) and 83.1°F (28.4°C). During August, Washington records an average high-temperature of a still moderately hot 83.1°F (28.4°C), marking a slight divergence from July's 85.6°F (29.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Washington, is still a warm month, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 56.1°F (13.4°C). With the arrival of September, Washington experiences a modest decline in average high-temperatures, transitioning from 83.1°F (28.4°C) in August to a still warm 76.1°F (24.5°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Washington, Virginia, with an average temperature ranging between min 45.9°F (7.7°C) and max 64.2°F (17.9°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a warm 76.1°F (24.5°C) in September to a comfortable 64.2°F (17.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Washington, Virginia, with an average temperature fluctuating between 35.2°F (1.8°C) and 52.5°F (11.4°C). The transition into November is accompanied by a temperature decrease, with the average high-temperature shifting from an enjoyable 64.2°F (17.9°C) in October to a cool 52.5°F (11.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Washington, Virginia, with an average temperature fluctuating between 30°F (-1.1°C) and 43.7°F (6.5°C). December indicates a minor shift in the average high-temperature, from November's cool 52.5°F (11.4°C) to a chilly 43.7°F (6.5°C). Weather in December »
Updated: Aug 30, 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 month is the coldest?
Washington's coldest month, January, generally records average temperatures ranging from a high of 38.7°F (3.7°C) to a low of 23.9°F (-4.5°C).
What is the driest month?
January is the month with the least rainfall. Rain falls for 6.8 days and accumulates 0.94" (24mm) of precipitation.
How many days does it rain?
Throughout the year, there are 146.8 rainfall days, and 21.02" (534mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
Throughout the year, there are 17.4 snowfall days, and 9.72" (247mm) of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 3.8 days and typically aggregates up to 2.56" (65mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 are the least humid months?
The months with the lowest humidity are April and July, with an average relative humidity of 74%.
What is the rainiest month in Washington?
The month with the most rainfall is May, when the rain falls for 17.3 days and typically aggregates up to 2.64" (67mm) of precipitation.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What part of the year is the hottest?
July, with its average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 62.6°F (17°C), holds the record as the warmest month.
What month has the most sunshine?
With an average of 10.7h of sunshine, July has the most sunshine of the year.
What is the most humid month?
With an average relative humidity of 79%, October is the most humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
What is the month with the least sunshine?
With an average of 5.1h of sunshine, December has the least sunshine of the year.
Average temperature
Washington, VA
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure
Washington, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"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:
29.98"Hg - Average pressure in August:
30"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
Washington, VA
- Average wind speed in January:
6.4mph - Average wind speed in February:
6.7mph - Average wind speed in March:
6.7mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.2mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.4mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.8mph
The windiest months (with the highest average wind speed) are February and March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Washington, VA
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall
Washington, VA
- Average rainfall in January:
0.94" - Average rainfall in February:
1.14" - Average rainfall in March:
1.69" - Average rainfall in April:
1.93" - Average rainfall in May:
2.64" - Average rainfall in June:
1.97"
- Average rainfall in July:
2.28" - Average rainfall in August:
2.56" - Average rainfall in September:
1.54" - Average rainfall in October:
1.54" - Average rainfall in November:
1.34" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days
Washington, VA
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall
Washington, VA
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Washington, VA
- Average snowfall days in January:
5 days - Average snowfall days in February:
4.6 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0.2 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:
0.1 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
2.8 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Washington, 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 3min - Average sunshine in March:
6h and 4min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 5min - 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 month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days
Washington, VA
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
17.7 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
20.1 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is August (11.4 days).
Average UV index
Washington, VA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Washington, VA
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Washington, VA
The months with the highest visibility are January, February, April, June, July, August and November (6mi).
The months with the lowest visibility are March, May, September, October and December (5mi).
Washington, Virginia, USA
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