Climate and monthly weather forecastSomerville, VA
Climate and monthly weather forecast
Weather in January
January, like December, in Somerville, Virginia, is another cold winter month, with temperature in the range of an average low of 26.4°F (-3.1°C) and an average high of 40.6°F (4.8°C). Somerville's coldest weather arrives in January, when temperatures average a high of 40.6°F (4.8°C) and a low of 26.4°F (-3.1°C). Weather in January »Weather in February
The last month of the winter, February, is a chilly month in Somerville, Virginia, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 28.8°F (-1.8°C). February's onset records an average high-temperature of a chilly 45.1°F (7.3°C), a near match to January's 40.6°F (4.8°C). Weather in February »Weather in March
March, the first month of the spring in Somerville, is a cool month, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 53.2°F (11.8°C). With the onset of March, the average high-temperature subtly transitions 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 an enjoyable spring month in Somerville, Virginia, with an average temperature fluctuating between 45.9°F (7.7°C) and 65.7°F (18.7°C). The start of April brings a rise in the average high-temperature, moving from a cool 53.2°F (11.8°C) in March to a refreshing 65.7°F (18.7°C). Weather in April »Weather in May
May, the last month of the spring in Somerville, is a warm month, with an average temperature ranging between max 75.4°F (24.1°C) and min 55.2°F (12.9°C). The arrival of May signals an increase in the average high-temperature, moving from a refreshing 65.7°F (18.7°C) in April to a moderately hot 75.4°F (24.1°C). Weather in May »Weather in June
June, the first month of the summer in Somerville, is also a moderately hot month, with an average temperature varying between 83.7°F (28.7°C) and 62.8°F (17.1°C). Observing a slight rise in June, the average high-temperature shifts from May's 75.4°F (24.1°C) to a still warm 83.7°F (28.7°C). Weather in June »Weather in July
July in Somerville, Virginia, is a hot summer month, with an average temperature fluctuating between 67.1°F (19.5°C) and 88.3°F (31.3°C). In Somerville, the month of July is known for its highest average temperatures, reaching a high of 88.3°F (31.3°C) and a low of 67.1°F (19.5°C). The heat index in July is appraised at a fiery hot 102.2°F (39°C). Weather in July »Weather in August
August, the last month of the summer in Somerville, is also a moderately hot month, with an average temperature varying between 65.8°F (18.8°C) and 85.8°F (29.9°C). The onset of August marks an average high-temperature of a warm 85.8°F (29.9°C), hardly differing from July's 88.3°F (31.3°C). Weather in August »Weather in September
September, the first month of the autumn in Somerville, is also a moderately hot month, with an average temperature ranging between max 79°F (26.1°C) and min 59.7°F (15.4°C). In September, the average high-temperature marginally decreases from a moderately hot 85.8°F (29.9°C) in August to a still warm 79°F (26.1°C). Weather in September »Weather in October
October, like September, in Somerville, Virginia, is another refreshing autumn month, with an average temperature varying between 67.1°F (19.5°C) and 49.1°F (9.5°C). The start of October comes with a reduction in the average high-temperature, receding from a warm 79°F (26.1°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »Weather in November
November, the last month of the autumn in Somerville, is also a fresh month, with an average temperature ranging between max 54.5°F (12.5°C) and min 38.1°F (3.4°C). As November begins, there is a decrease in the average high-temperature, falling from a comfortable 67.1°F (19.5°C) in October to a fresh 54.5°F (12.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Somerville, Virginia, with an average temperature ranging between min 32.4°F (0.2°C) and max 45.7°F (7.6°C). Somerville's progression into December involves a gentle drop in the average high-temperature, from a cool 54.5°F (12.5°C) in November to a frosty 45.7°F (7.6°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
With average temperatures fluctuating between a high of 40.6°F (4.8°C) and a low of 26.4°F (-3.1°C), January stands out as the coldest month.
Throughout the year, in Somerville, there are 157.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.
Months with snowfall in Somerville, Virginia, are January through April, November and December.
The month with the most snowfall in Somerville is January, when snow falls for 4.9 days and typically aggregates up to 3.7" (94mm) of snow.
Throughout the year, there are 15.8 snowfall days, and 11.5" (292mm) of snow is accumulated.
January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Somerville, Virginia.
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.
In Somerville, Virginia, snow does not fall in May through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
The month with the longest days is June, with an average of 14h and 48min of daylight.
July is the warmest month in Somerville, exhibiting average temperatures of 88.3°F (31.3°C) at the peak and 67.1°F (19.5°C) at the base.
The least humid month in Somerville, Virginia, is July, with an average relative humidity of 72%.
With an average of 10.7h of sunshine, July has the most sunshine of the year in Somerville.
August is the month with the most rainfall in Somerville, Virginia. Rain falls for 16.3 days and accumulates 3.43" (87mm) of precipitation.
September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 1.93" (49mm) of precipitation.
The most humid month is December, with an average relative humidity of 78%.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Somerville, VA
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.6°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure
Somerville, 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
Somerville, VA
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.6mph - Average wind speed in March:
7mph - Average wind speed in April:
7mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5.1mph - Average wind speed in October:
5.9mph - Average wind speed in November:
6mph - Average wind speed in December:
6mph
The windiest months (with the highest average wind speed) are March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity
Somerville, VA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Somerville, VA
- Average rainfall in January:
1.97" - Average rainfall in February:
2.01" - Average rainfall in March:
2.48" - Average rainfall in April:
2.87" - Average rainfall in May:
3.11" - Average rainfall in June:
2.64"
- Average rainfall in July:
2.68" - Average rainfall in August:
3.43" - Average rainfall in September:
1.93" - Average rainfall in October:
2.48" - Average rainfall in November:
2.2" - Average rainfall in December:
2.56"
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
Somerville, VA
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall
Somerville, VA
The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Somerville, VA
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.3 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 February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Somerville, VA
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 12min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 0min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 12min
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 12min).
Average sunshine days
Somerville, VA
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index
Somerville, 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
Somerville, VA
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
Somerville, VA
The months with the highest visibility are January, February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are May, September, October and December (5mi).
