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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 Foster, West Virginia, is another cold winter month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 39°F (3.9°C). January, known for its average high temperature of 39°F (3.9°C) and an average low temperature of 25.9°F (-3.4°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Foster, is a frosty month, with an average temperature fluctuating between 43.7°F (6.5°C) and 29.1°F (-1.6°C). The arrival of February brings an average high-temperature of a frosty 43.7°F (6.5°C), closely following the temperature pattern of January. Weather in February »
Weather in March
March, the first month of the spring in Foster, is a fresh month, with temperature in the range of an average high of 52.5°F (11.4°C) and an average low of 36.3°F (2.4°C). March's arrival sees a mild rise in the average high-temperature, transitioning from February's chilly 43.7°F (6.5°C) to a fresh 52.5°F (11.4°C). Weather in March »
Weather in April
April in Foster, West Virginia, is an enjoyable spring month, with an average temperature ranging between min 45.3°F (7.4°C) and max 64.9°F (18.3°C). April brings a rise in Foster's average high-temperature, moving from a fresh 52.5°F (11.4°C) in March to a refreshing 64.9°F (18.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Foster, West Virginia, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 54.1°F (12.3°C). Foster's transition into May is marked by a rise in the average high-temperature, advancing from a comfortable 64.9°F (18.3°C) in April 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 also a moderately hot month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 81.9°F (27.7°C). A slight uplift in the average high-temperature marks June, adjusting from May's moderately hot 74.8°F (23.8°C) to a still warm 81.9°F (27.7°C). Weather in June »
Weather in July
July, like June, in Foster, West Virginia, is another warm summer month, with temperature in the range of an average high of 85.5°F (29.7°C) and an average low of 63.1°F (17.3°C). With its high average temperature of 85.5°F (29.7°C) and a low of 63.1°F (17.3°C), July is regarded as the warmest month. The heat index value for July is appraised at a very hot 96.8°F (36°C). Weather in July »
Weather in August
August, the last month of the summer in Foster, is another warm month, with an average temperature varying between 61°F (16.1°C) and 84°F (28.9°C). August brings an average high-temperature of a still moderately hot 84°F (28.9°C), showing a slight difference from July's 85.5°F (29.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Foster, West Virginia, with an average temperature fluctuating between 77.9°F (25.5°C) and 56.5°F (13.6°C). September is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 84°F (28.9°C) in August to a still warm 77.9°F (25.5°C). Weather in September »
Weather in October
October, like September, in Foster, West Virginia, is another enjoyable autumn month, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 65.3°F (18.5°C). The arrival of October corresponds with a shift in temperature, down from a moderately hot 77.9°F (25.5°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Foster, West Virginia, with an average temperature varying between 53.1°F (11.7°C) and 36.5°F (2.5°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's refreshing 65.3°F (18.5°C) to a cool 53.1°F (11.7°C). Weather in November »
Weather in December
December, the first month of the winter in Foster, is also a frosty month, with an average temperature fluctuating between 44.1°F (6.7°C) and 32.2°F (0.1°C). December is characterized by a mild reduction in the average high-temperature, from a fresh 53.1°F (11.7°C) in November to a frosty 44.1°F (6.7°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 is the coldest time of year in Foster?
January, having an average high-temperature of 39°F (3.9°C) and an average low-temperature of 25.9°F (-3.4°C), is the coldest month in Foster.
How many days does it rain in Foster?
Throughout the year, in Foster, West Virginia, there are 183.9 rainfall days, and 35.35" (898mm) of precipitation is accumulated.
When does it snow in Foster?
January through April, October through December are months with snowfall in Foster.
When does it snow the most in Foster?
The months with the most snowfall in Foster, West Virginia, are January and February, with an average 5.12" (130mm) of accumulated snow.
How much does it snow in Foster?
In Foster, during the entire year, snow falls for 40.7 days and aggregates up to 19.45" (494mm) of snow.
What is the month with the least sunshine in Foster?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
What are the months with the lowest UV index in Foster?
The months with the lowest UV index in Foster, West Virginia, are January, February, November and December, with an average maximum UV index of 2.
What is the most humid month in Foster?
The most humid month is February, with an average relative humidity of 82%.
When is Daylight Saving Time (DST) in Foster?
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 is the rainiest month in Foster?
The month with the most rainfall in Foster, West Virginia, is May, when the rain falls for 20.6 days and typically aggregates up to 3.74" (95mm) of precipitation.
When it does not snow in Foster?
May through September are months without snowfall in Foster, West Virginia.
What are the least humid months in Foster?
The months with the lowest humidity in Foster are June through August and November, with an average relative humidity of 76%.
When are the longest days in Foster?
June has the longest days of the year, with an average of 14h and 48min of daylight.
When is the highest UV index in Foster?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest in Foster?
In Foster, July is the warmest month, with temperatures averaging a high of 85.5°F (29.7°C) and a low of 63.1°F (17.3°C).
What month has the most sunshine in Foster?
August has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the driest month in Foster?
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.77" (45mm) of precipitation.
What is the month with the shortest days in Foster?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Foster, WV
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure
Foster, WV
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Foster, WV
- Average wind speed in January:
6.6mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.3mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.6mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4mph - Average wind speed in September:
4.3mph - Average wind speed in October:
5mph - Average wind speed in November:
5.5mph - Average wind speed in December:
6.2mph
The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
Foster, WV
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).
Average rainfall
Foster, WV
- Average rainfall in January:
2.8" - Average rainfall in February:
3.66" - Average rainfall in March:
3.11" - Average rainfall in April:
3.35" - Average rainfall in May:
3.74" - Average rainfall in June:
3.27"
- Average rainfall in July:
2.91" - Average rainfall in August:
2.28" - Average rainfall in September:
1.77" - Average rainfall in October:
2.87" - Average rainfall in November:
2.2" - Average rainfall in December:
3.39"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days
Foster, WV
- Average rainfall days in January:
13.3 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
16.5 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
20.6 days - Average rainfall days in June:
18.1 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
13.4 days
The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).
Average snowfall
Foster, WV
The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Foster, WV
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
10.2 days - Average snowfall days in March:
5.9 days - Average snowfall days in April:
1 days - Average snowfall days in May:
0.1 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:
0.4 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
7.9 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Foster, WV
- 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 3min - 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 4min
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 36min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Foster, WV
- Average sunshine days in January:
10.1 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
10.4 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
11.2 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
17.1 days - Average sunshine days in December:
11.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).
Average UV index
Foster, WV
The months with the highest UV index are 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
Foster, WV
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Foster, WV
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Foster, West Virginia, USA
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