Climate and monthly weather forecastFoster, VA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Foster, Virginia, is another chilly winter month, with an average temperature fluctuating between 32.5°F (0.3°C) and 45.1°F (7.3°C). In Foster, the month of January registers the lowest temperatures, averaging 45.1°F (7.3°C) at the peak and 32.5°F (0.3°C) at the lowest. Weather in January »Weather in February
February, the last month of the winter in Foster, is also a frosty month, with an average temperature fluctuating between 34.9°F (1.6°C) and 49.1°F (9.5°C). Foster experiences an average high-temperature of a still chilly 49.1°F (9.5°C) in February, marking an insignificant shift from 45.1°F (7.3°C) in January. Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Foster, Virginia, with an average temperature varying between 54.1°F (12.3°C) and 40.8°F (4.9°C). March brings an average high-temperature of a cool 54.1°F (12.3°C), showing a slight difference from February's 49.1°F (9.5°C). Weather in March »Weather in April
April in Foster, Virginia, is a refreshing spring month, with an average temperature varying between 50.7°F (10.4°C) and 65.8°F (18.8°C). April's onset is marked by a temperature increase, moving from a fresh 54.1°F (12.3°C) in March to an enjoyable 65.8°F (18.8°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Foster, Virginia, with an average temperature varying between 60.1°F (15.6°C) and 74.8°F (23.8°C). With the onset of May, Foster's average high-temperature experiences a rise, moving from April's enjoyable 65.8°F (18.8°C) to a warm 74.8°F (23.8°C). Weather in May »Weather in June
June, the first month of the summer in Foster, is still a warm month, with an average temperature ranging between max 83.1°F (28.4°C) and min 68.2°F (20.1°C). The commencement of June sees a minor shift in the average high-temperature, moving from 74.8°F (23.8°C) in May to a still warm 83.1°F (28.4°C). Weather in June »Weather in July
July in Foster, Virginia, is a tropical summer month, with an average temperature varying between 72.3°F (22.4°C) and 87.8°F (31°C). Foster records the warmest temperatures in July, averaging a high of 87.8°F (31°C) and a low of 72.3°F (22.4°C). July's heat index is computed to be a very hot 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Foster, Virginia, with an average temperature ranging between max 85.6°F (29.8°C) and min 71.2°F (21.8°C). As Foster, Virginia, welcomes August, the average high-temperature stabilizes at a moderately hot 85.6°F (29.8°C), showing little deviation from July's 87.8°F (31°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Foster, Virginia, with an average temperature varying between 66.6°F (19.2°C) and 79.9°F (26.6°C). As August transitions into September, Foster sees a gentle drop in the average high-temperature, transitioning from a moderately hot 85.6°F (29.8°C) to a still warm 79.9°F (26.6°C). Weather in September »Weather in October
October, the same as September, in Foster, Virginia, is another pleasant autumn month, with an average temperature ranging between min 56.3°F (13.5°C) and max 69.4°F (20.8°C). The transition into October involves a decrease in the average high-temperature, falling from a moderately hot 79.9°F (26.6°C) in September to an agreeable 69.4°F (20.8°C). Weather in October »Weather in November
November, the last month of the autumn in Foster, is another mild month, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 57.4°F (14.1°C). November's onset brings a reduction in the average high-temperature, from a pleasant 69.4°F (20.8°C) in October to a mild 57.4°F (14.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Foster, Virginia, with temperature in the range of an average high of 50.2°F (10.1°C) and an average low of 38.3°F (3.5°C). As December begins, there is a minor decrease in the average high-temperature, softly falling from a mild 57.4°F (14.1°C) in November to a fresh 50.2°F (10.1°C). Weather in December »Updated: Jul 26, 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
Foster's coldest month, January, registers temperatures that range from a high of 45.1°F (7.3°C) to a low of 32.5°F (0.3°C).
Throughout the year, there are 165.3 rainfall days, and 34.25" (870mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
Throughout the year, in Foster, there are 8.3 snowfall days, and 4.13" (105mm) of snow is accumulated.
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 2.8 days and typically aggregates up to 1.34" (34mm) of snow.
February has the least sunshine of the year, with an average of 5.2h of sunshine.
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.
April through October are months without snowfall.
The month with the longest days is June, with an average of 14h and 42min of daylight.
June and July, with an average maximum UV index of 7, are months with the highest UV index.
The warmest period tends to be July, when average temperatures fluctuate between a high of 87.8°F (31°C) and a low of 72.3°F (22.4°C).
With an average relative humidity of 72%, July is the least humid month.
With an average of 10.8h of sunshine, July has the most sunshine of the year.
August is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.62" (92mm) of precipitation.
September is the month with the least rainfall. Rain falls for 13 days and accumulates 2.4" (61mm) of precipitation.
The most humid month is December, with an average relative humidity of 78%.
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Foster, 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 (45.1°F).
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure
Foster, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.02"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:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Foster, VA
- Average wind speed in January:
8.7mph - Average wind speed in February:
8.9mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.6mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
Foster, VA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Foster, VA
- Average rainfall in January:
2.56" - Average rainfall in February:
2.91" - Average rainfall in March:
2.8" - Average rainfall in April:
2.83" - Average rainfall in May:
3.15" - Average rainfall in June:
2.72"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days
Foster, VA
- Average rainfall days in January:
10.5 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
15.3 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.6 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
13 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
12.2 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.6 days).
Average snowfall
Foster, VA
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Foster, VA
- Average snowfall days in January:
3 days - Average snowfall days in February:
2.8 days - Average snowfall days in March:
1.2 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:
0.2 days - Average snowfall days in December:
1.1 days
The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Foster, VA
- Average daylight in January:
9h and 54min - 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 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - 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 12min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 30min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 54min - Average sunshine in April:
9h and 18min - Average sunshine in May:
9h and 24min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 24min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 42min - Average sunshine in December:
5h and 24min
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 12min).
Average sunshine days
Foster, VA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
13.1 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
11.9 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
18.6 days - Average sunshine days in December:
17.4 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Foster, VA
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Foster, VA
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Foster, VA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
