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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 Union, West Virginia, is an icy winter month, with temperature in the range of an average high of 36.3°F (2.4°C) and an average low of 22.3°F (-5.4°C). The month of January, characterized by an average high of 36.3°F (2.4°C) and a low of 22.3°F (-5.4°C), is recognized as the coldest. Weather in January »
Weather in February
February, the last month of the winter in Union, is also a wintry month, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 40.6°F (4.8°C). As Union welcomes February, the average high-temperature records at a still wintry 40.6°F (4.8°C), marking an insignificant deviation from the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Union, West Virginia, with an average temperature varying between 31.8°F (-0.1°C) and 48.6°F (9.2°C). March's arrival coincides with a subtle temperature rise, moving from February's cold 40.6°F (4.8°C) to a frosty 48.6°F (9.2°C). Weather in March »
Weather in April
April is a refreshing spring month in Union, West Virginia, with an average temperature ranging between min 41.4°F (5.2°C) and max 60.6°F (15.9°C). The arrival of April brings an increase in high-temperatures, moving from a chilly 48.6°F (9.2°C) in March to a mild 60.6°F (15.9°C). Weather in April »
Weather in May
May, the last month of the spring in Union, is an agreeable month, with an average temperature fluctuating between 70°F (21.1°C) and 49.1°F (9.5°C). May sees a temperature increase, moving from a mild 60.6°F (15.9°C) in April to a pleasant 70°F (21.1°C). Weather in May »
Weather in June
June, the first month of the summer in Union, is a warm month, with an average temperature ranging between max 77.5°F (25.3°C) and min 54.3°F (12.4°C). With the beginning of June, Union's average high-temperature sees a minor increase, transitioning from an agreeable 70°F (21.1°C) in May to a moderately hot 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Union, West Virginia, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 58.3°F (14.6°C). July stands out as Union's warmest month, with an average high-temperature of 81°F (27.2°C) and a low-temperature of 58.3°F (14.6°C). The heat index value during July is calculated to be a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Union, is also a moderately hot month, with an average temperature varying between 56.3°F (13.5°C) and 79.9°F (26.6°C). As Union welcomes August, the average high-temperature is noted at a still warm 79.9°F (26.6°C), closely aligning with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Union, is also a moderately hot month, with temperature in the range of an average low of 52°F (11.1°C) and an average high of 73.4°F (23°C). The onset of September brings a small shift in high-temperatures, falling from a warm 79.9°F (26.6°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, like September, in Union, West Virginia, is another refreshing autumn month, with temperature in the range of an average low of 43.2°F (6.2°C) and an average high of 61.9°F (16.6°C). As Union, West Virginia, enters October, the average high-temperature decreases from the a moderately hot 73.4°F (23°C) of September to a refreshing 61.9°F (16.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Union, is another cool month, with an average temperature ranging between min 32.9°F (0.5°C) and max 50.4°F (10.2°C). November comes with a drop in the average high-temperature, falling from October's enjoyable 61.9°F (16.6°C) to a fresh 50.4°F (10.2°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Union, West Virginia, with an average temperature ranging between max 41.9°F (5.5°C) and min 28.8°F (-1.8°C). As November makes way for December, Union's average high-temperature eases from a fresh 50.4°F (10.2°C) to a wintry 41.9°F (5.5°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 part of the year is the coldest in Union?
The lowest temperatures are recorded in January, with averages reaching a high of 36.3°F (2.4°C) and a low of 22.3°F (-5.4°C).
How many days does it rain in Union?
In Union, West Virginia, during the entire year, the rain falls for 183.6 days and collects up to 31.61" (803mm) of precipitation.
When does it snow in Union?
Months with snowfall in Union are January through May, October through December.
How many days does it snow in Union?
Throughout the year, there are 44.3 snowfall days, and 20.67" (525mm) of snow is accumulated.
What is the month with the least sunshine in Union?
The month with the least sunshine in Union, West Virginia, is January, with an average of 3.9h of sunshine.
What is the month with the lowest UV index in Union?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month in Union?
The most humid month in Union is February, with an average relative humidity of 84%.
What is the snowiest month in Union?
The month with the most snowfall in Union, West Virginia, is February, when snow falls for 10.5 days and typically aggregates up to 5.43" (138mm) of snow.
When is Daylight Saving Time (DST) in Union?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Union, 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 wettest month in Union?
May is the month with the most rainfall. Rain falls for 22.2 days and accumulates 3.39" (86mm) of precipitation.
When is the highest UV index in Union?
May through August, with an average maximum UV index of 5, are months with the highest UV index in Union.
What is the least humid month in Union?
The least humid month is June, with an average relative humidity of 78%.
When it does not snow in Union?
In Union, snow does not fall in June through September.
When are the longest days in Union?
June has the longest days of the year in Union, West Virginia, with an average of 14h and 42min of daylight.
What month is the hottest in Union?
Union reaches its average highest temperatures in July, measuring 81°F (27.2°C) at the peak and 58.3°F (14.6°C) at the lowest.
What month has the most sunshine in Union?
With an average of 9.9h of sunshine, July has the most sunshine of the year in Union.
What is the driest month in Union?
The month with the least rainfall in Union, West Virginia, is September, when the rain falls for 15.5 days and typically collects 1.81" (46mm) of precipitation.
What is the month with the shortest days in Union?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Union, WV
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.3°F).
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Union, WV
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30"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
Union, WV
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.3mph - Average wind speed in March:
6.8mph - Average wind speed in April:
7mph - Average wind speed in May:
5.7mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.4mph - Average wind speed in August:
4mph - Average wind speed in September:
4.4mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.7mph - Average wind speed in December:
6.5mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity
Union, WV
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is June (78%).
Average rainfall
Union, WV
- Average rainfall in January:
2.44" - Average rainfall in February:
2.99" - Average rainfall in March:
2.83" - Average rainfall in April:
3.27" - Average rainfall in May:
3.39" - Average rainfall in June:
2.72"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.36" - Average rainfall in September:
1.81" - Average rainfall in October:
2.4" - Average rainfall in November:
1.93" - Average rainfall in December:
2.83"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days
Union, WV
- Average rainfall days in January:
11.8 days - Average rainfall days in February:
12.3 days - Average rainfall days in March:
16.1 days - Average rainfall days in April:
17.5 days - Average rainfall days in May:
22.2 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
19.5 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
12.6 days
The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is November (10.2 days).
Average snowfall
Union, WV
- Average snowfall in January:
4.92" - Average snowfall in February:
5.43" - Average snowfall in March:
4.53" - Average snowfall in April:
0.79" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Union, WV
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
7 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.3 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:
0.9 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
8 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
Union, 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 1min - Average daylight in June:
14h and 4min
- 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 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
3h and 5min - 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:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Union, WV
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
8.7 days - Average sunshine days in March:
9.4 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
7.7 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
11 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
16.8 days - Average sunshine days in December:
12 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (7.7 days).
Average UV index
Union, WV
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Union, WV
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility
Union, WV
The months with the highest visibility are March, April, June, July, November and December (5mi).
The months with the lowest visibility are January, February, May, August, September and October (4mi).
Union, West Virginia, USA
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