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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, like December, in Merrifield, Virginia, is another cold winter month, with temperature in the range of an average high of 40.5°F (4.7°C) and an average low of 27.1°F (-2.7°C). The lowest temperatures are recorded in January, with averages reaching a high of 40.5°F (4.7°C) and a low of 27.1°F (-2.7°C). Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Merrifield, Virginia, with an average temperature fluctuating between 29.7°F (-1.3°C) and 44.6°F (7°C). At the onset of February, Merrifield records an average high-temperature of a frosty 44.6°F (7°C), showing little deviation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Merrifield, is a fresh month, with an average temperature fluctuating between 52.9°F (11.6°C) and 36.9°F (2.7°C). The coming of March brings a minor shift in Merrifield's weather, with average high-temperatures adjusting from February's chilly 44.6°F (7°C) to a cool 52.9°F (11.6°C). Weather in March »
Weather in April
April is a refreshing spring month in Merrifield, Virginia, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 46.9°F (8.3°C). April marks a rise in the average high-temperature, moving from March's cool 52.9°F (11.6°C) to a refreshing 65.3°F (18.5°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Merrifield, Virginia, with an average temperature fluctuating between 74.8°F (23.8°C) and 56.7°F (13.7°C). May shows a rise in the average high-temperature, moving from April's enjoyable 65.3°F (18.5°C) to a moderately hot 74.8°F (23.8°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Merrifield, Virginia, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 82.9°F (28.3°C). With the onset of June, the average high-temperature subtly transitions from a warm 74.8°F (23.8°C) in May to a still moderately hot 82.9°F (28.3°C). Weather in June »
Weather in July
July is a hot summer month in Merrifield, Virginia, with an average temperature ranging between max 87.6°F (30.9°C) and min 69.1°F (20.6°C). In Merrifield, July is the warmest month, with temperatures averaging a high of 87.6°F (30.9°C) and a low of 69.1°F (20.6°C). In July, the heat index is computed to be a torrid 100.4°F (38°C). Weather in July »
Weather in August
August, the last month of the summer in Merrifield, is another warm month, with an average temperature ranging between min 67.3°F (19.6°C) and max 85.6°F (29.8°C). The onset of August manifests an average high-temperature of a warm 85.6°F (29.8°C), demonstrating a minor variation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Merrifield, Virginia, with an average temperature ranging between min 61.3°F (16.3°C) and max 78.6°F (25.9°C). Merrifield's September weather features a light decline in high-temperatures, reducing 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, the same as September, is another refreshing autumn month in Merrifield, Virginia, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 66.4°F (19.1°C). The start of October involves a temperature drop, moving from a moderately hot 78.6°F (25.9°C) in September to an enjoyable 66.4°F (19.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Merrifield, is also a fresh month, with an average temperature fluctuating between 39.2°F (4°C) and 54.5°F (12.5°C). Merrifield's progression into November includes a drop in the average high-temperature, from a refreshing 66.4°F (19.1°C) in October to a fresh 54.5°F (12.5°C). Weather in November »
Weather in December
December, the first month of the winter in Merrifield, is also a frosty month, with an average temperature fluctuating between 33.1°F (0.6°C) and 45.5°F (7.5°C). A decrease in the average high-temperature is observed during December, shifting from a cool 54.5°F (12.5°C) in November to a chilly 45.5°F (7.5°C). 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 are the coldest months in Merrifield?
Merrifield's January weather, with an average high temperature of 40.5°F (4.7°C) and an average low temperature of 27.1°F (-2.7°C), tends to be the coldest of the year.
What is the driest month in Merrifield?
January is the month with the least rainfall in Merrifield. Rain falls for 9.8 days and accumulates 2.05" (52mm) of precipitation.
How much does it rain in Merrifield?
In Merrifield, Virginia, during the entire year, the rain falls for 161.2 days and collects up to 31.54" (801mm) of precipitation.
When does it snow in Merrifield?
Months with snowfall are January through April, November and December.
What is the snowiest month in Merrifield?
The month with the most snowfall is January, when snow falls for 4.9 days and typically aggregates up to 3.31" (84mm) of snow.
How many days does it snow in Merrifield?
Throughout the year, in Merrifield, Virginia, there are 16.1 snowfall days, and 10.39" (264mm) of snow is accumulated.
What are the months with the least sunshine in Merrifield?
The months with the least sunshine are January, February and December, with an average of 5.2h of sunshine.
What is the month with the lowest UV index in Merrifield?
The months with the lowest UV index in Merrifield are January, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Merrifield?
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 in Merrifield?
The months with the lowest humidity are April and July, with an average relative humidity of 71%.
When it does not snow in Merrifield?
May through October are months without snowfall in Merrifield.
When is the highest UV index in Merrifield?
The months with the highest UV index in Merrifield, Virginia, are May through August, with an average maximum UV index of 6.
When are the longest days in Merrifield?
The month with the longest days in Merrifield, Virginia, is June, with an average of 14h and 48min of daylight.
What month is the hottest in Merrifield?
July proves to be the warmest month, recording an average peak temperature of 87.6°F (30.9°C) and a minimum temperature of 69.1°F (20.6°C).
What month has the most sunshine in Merrifield?
The month with the most sunshine in Merrifield, Virginia, is July, with an average of 10.9h of sunshine.
What is the rainiest month in Merrifield?
The month with the most rainfall is August, when the rain falls for 17.2 days and typically aggregates up to 3.78" (96mm) of precipitation.
What is the most humid month in Merrifield?
The most humid month in Merrifield is October, with an average relative humidity of 77%.
What is the month with the shortest days in Merrifield?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Merrifield, VA
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.5°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 (27.1°F).
Average pressure
Merrifield, 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:
29.97"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
Merrifield, VA
- Average wind speed in January:
7.2mph - Average wind speed in February:
7.3mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.4mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Merrifield, VA
The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall
Merrifield, VA
- Average rainfall in January:
2.05" - Average rainfall in February:
2.09" - Average rainfall in March:
2.4" - Average rainfall in April:
2.8" - Average rainfall in May:
3.15" - Average rainfall in June:
2.6"
- Average rainfall in July:
3.03" - Average rainfall in August:
3.78" - Average rainfall in September:
2.09" - Average rainfall in October:
2.6" - Average rainfall in November:
2.28" - Average rainfall in December:
2.68"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days
Merrifield, VA
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
10 days - Average rainfall days in March:
14 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
17.2 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
10.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (8.9 days).
Average snowfall
Merrifield, VA
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Merrifield, VA
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
4.7 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.2 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:
0.5 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Merrifield, 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:
9h and 0min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - 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 54min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days
Merrifield, VA
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index
Merrifield, 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, November and December (UV index 2).
Average cloud cover
Merrifield, 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
Merrifield, 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).
Merrifield, Virginia, USA
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