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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 a wintry winter month in Mount Vernon, Virginia, with an average temperature varying between 40.6°F (4.8°C) and 27.7°F (-2.4°C). January is the coldest month of the year, registering average temperatures as high as 40.6°F (4.8°C) and as low as 27.7°F (-2.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Mount Vernon, Virginia, with an average temperature fluctuating between 45.1°F (7.3°C) and 30.2°F (-1°C). Mount Vernon sees the arrival of February with an average high-temperature of a chilly 45.1°F (7.3°C), indicating a subtle variation from January. Weather in February »
Weather in March
March, the first month of the spring in Mount Vernon, is a fresh month, with an average temperature fluctuating between 37.4°F (3°C) and 53.2°F (11.8°C). A minor escalation in the average high-temperature is seen with the onset of March, moving from a chilly 45.1°F (7.3°C) in February to a fresh 53.2°F (11.8°C). Weather in March »
Weather in April
April is a refreshing spring month in Mount Vernon, Virginia, with an average temperature fluctuating between 47.3°F (8.5°C) and 65.1°F (18.4°C). As April arrives, Mount Vernon's weather shows an increase in high-temperatures, moving from March's cool 53.2°F (11.8°C) to a refreshing 65.1°F (18.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Mount Vernon, Virginia, with an average temperature fluctuating between 74.7°F (23.7°C) and 56.8°F (13.8°C). May's onset witnesses a shift in the average high-temperature, moving from a comfortable 65.1°F (18.4°C) in April to a warm 74.7°F (23.7°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Mount Vernon, Virginia, with an average temperature ranging between min 64.2°F (17.9°C) and max 82.8°F (28.2°C). The shift into June is characterized by a subtle rise in the average high-temperature, transitioning from May's 74.7°F (23.7°C) to a still warm 82.8°F (28.2°C). Weather in June »
Weather in July
July in Mount Vernon, Virginia, is a tropical summer month, with an average temperature varying between 87.8°F (31°C) and 69.1°F (20.6°C). In Mount Vernon, the highest average temperatures are observed in July, with a high of 87.8°F (31°C) and a low of 69.1°F (20.6°C). July's mean heat index is calculated to be a sweltering 100.4°F (38°C). Weather in July »
Weather in August
August, the last month of the summer in Mount Vernon, is another warm month, with an average temperature varying between 67.6°F (19.8°C) and 85.6°F (29.8°C). The arrival of August sees a recorded average high-temperature of a moderately hot 85.6°F (29.8°C), showing little divergence from the previous month's conditions. Weather in August »
Weather in September
September, the first month of the autumn in Mount Vernon, is still a warm month, with an average temperature fluctuating between 78.6°F (25.9°C) and 61.7°F (16.5°C). The advent of September brings a subtle shift in temperature, with the average high moving from 85.6°F (29.8°C) in August to a still moderately hot 78.6°F (25.9°C). Weather in September »
Weather in October
October, like September, in Mount Vernon, Virginia, is another comfortable autumn month, with an average temperature ranging between min 51.3°F (10.7°C) and max 67.1°F (19.5°C). As September shifts into October, a slight alteration in temperatures is observed, with average highs reducing from a warm 78.6°F (25.9°C) to a refreshing 67.1°F (19.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Mount Vernon, is also a fresh month, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 39.9°F (4.4°C). In November, the average high-temperature decreases from an enjoyable 67.1°F (19.5°C) in October to a fresh 55°F (12.8°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Mount Vernon, Virginia, with an average temperature fluctuating between 34°F (1.1°C) and 46.2°F (7.9°C). December's onset brings a negligible change in high-temperatures, falling from a fresh 55°F (12.8°C) in November to a frosty 46.2°F (7.9°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Mount Vernon?
January, recording an average high temperature of 40.6°F (4.8°C) and a low temperature of 27.7°F (-2.4°C), is Mount Vernon's coldest month.
How much does it rain in Mount Vernon?
Throughout the year, in Mount Vernon, Virginia, there are 158.2 rainfall days, and 30.67" (779mm) of precipitation is accumulated.
When does it snow in Mount Vernon?
January through April, November and December are months with snowfall in Mount Vernon.
What is the snowiest month in Mount Vernon?
January is the month with the most snowfall in Mount Vernon. Snow falls for 4.5 days and accumulates 2.48" (63mm) of snow.
How much does it snow in Mount Vernon?
In Mount Vernon, Virginia, during the entire year, snow falls for 14.4 days and aggregates up to 7.56" (192mm) of snow.
What is the month with the lowest UV index in Mount Vernon?
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Mount Vernon, Virginia.
What is the month with the least sunshine in Mount Vernon?
The month with the least sunshine in Mount Vernon, Virginia, is February, with an average of 5.1h of sunshine.
When is Daylight Saving Time (DST) in Mount Vernon?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mount Vernon, 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 in Mount Vernon?
The months with the lowest humidity are April and July, with an average relative humidity of 71%.
What are the most humid months in Mount Vernon?
The months with the highest humidity in Mount Vernon are May, October and December, with an average relative humidity of 76%.
When it does not snow in Mount Vernon?
In Mount Vernon, Virginia, snow does not fall in May through October.
When is the highest UV index in Mount Vernon?
May through August, with an average maximum UV index of 6, are months with the highest UV index in Mount Vernon.
When are the longest days in Mount Vernon?
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 in Mount Vernon?
July is Mount Vernon's warmest month, registering average high temperatures of 87.8°F (31°C) and lows of 69.1°F (20.6°C).
What month has the most sunshine in Mount Vernon?
The month with the most sunshine in Mount Vernon, Virginia, is July, with an average of 10.8h of sunshine.
What is the rainiest month in Mount Vernon?
August is the month with the most rainfall in Mount Vernon, Virginia. Rain falls for 15.9 days and accumulates 3.43" (87mm) of precipitation.
What is the driest month in Mount Vernon?
September is the month with the least rainfall in Mount Vernon. Rain falls for 11.9 days and accumulates 1.93" (49mm) of precipitation.
What is the month with the shortest days in Mount Vernon?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Mount Vernon, VA
The warmest month (with the highest average high temperature) is July (87.8°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 (27.7°F).
Average pressure
Mount Vernon, 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
Mount Vernon, VA
- Average wind speed in January:
7.5mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Mount Vernon, VA
The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall
Mount Vernon, VA
- Average rainfall in January:
2.05" - Average rainfall in February:
2.17" - Average rainfall in March:
2.44" - Average rainfall in April:
2.76" - Average rainfall in May:
2.95" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.95" - Average rainfall in August:
3.43" - Average rainfall in September:
1.93" - Average rainfall in October:
2.56" - Average rainfall in November:
2.17" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days
Mount Vernon, VA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall
Mount Vernon, VA
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Mount Vernon, VA
- Average snowfall days in January:
4.5 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.1 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:
0.4 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Mount Vernon, 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:
9h and 0min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 1min - 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Mount Vernon, VA
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Mount Vernon, 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 and December (UV index 2).
Average cloud cover
Mount Vernon, 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
Mount Vernon, 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).
Mount Vernon, Virginia, USA
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