Climate and monthly weather forecastWest Union, OH
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in West Union, Ohio, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 24.1°F (-4.4°C). West Union reaches its lowest average temperatures in January, measuring 36.7°F (2.6°C) at the peak and 24.1°F (-4.4°C) at the lowest. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in West Union, Ohio, with an average temperature ranging between max 41.5°F (5.3°C) and min 27°F (-2.8°C). The advent of February denotes an average high-temperature of a still cold 41.5°F (5.3°C), subtly different from January's 36.7°F (2.6°C). Weather in February »Weather in March
March, the first month of the spring in West Union, is a cool month, with an average temperature fluctuating between 51.8°F (11°C) and 35.4°F (1.9°C). The average high-temperature increases in March, moving from a wintry 41.5°F (5.3°C) in February to a cool 51.8°F (11°C). Weather in March »Weather in April
April is an enjoyable spring month in West Union, Ohio, with an average temperature ranging between max 63.9°F (17.7°C) and min 44.8°F (7.1°C). In West Union, the onset of April comes with an increased average high-temperature, moving from March's cool 51.8°F (11°C) to a refreshing 63.9°F (17.7°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in West Union, Ohio, with an average temperature ranging between max 73.8°F (23.2°C) and min 54.7°F (12.6°C). A shift in the average high-temperature is noticeable in May, changing from a refreshing 63.9°F (17.7°C) in April to a warm 73.8°F (23.2°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in West Union, Ohio, with an average temperature ranging between min 61.3°F (16.3°C) and max 81.1°F (27.3°C). June brings a slight increase in the average high-temperature, progressing from 73.8°F (23.2°C) in May to a still moderately hot 81.1°F (27.3°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in West Union, Ohio, with an average temperature varying between 64.4°F (18°C) and 84.4°F (29.1°C). With an average high-temperature of 84.4°F (29.1°C) and an average low-temperature of 64.4°F (18°C), July is the warmest month. During July, the heat index is estimated at a fiery hot 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in West Union, Ohio, with an average temperature ranging between max 83.3°F (28.5°C) and min 62.6°F (17°C). West Union signifies an average high-temperature of a still moderately hot 83.3°F (28.5°C) in August, closely mirroring the 84.4°F (29.1°C) of July. Weather in August »Weather in September
September, the first month of the autumn in West Union, is also a moderately hot month, with an average temperature varying between 57.2°F (14°C) and 77.5°F (25.3°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 83.3°F (28.5°C) to a still warm 77.5°F (25.3°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in West Union, Ohio, with an average temperature fluctuating between 46.8°F (8.2°C) and 64.6°F (18.1°C). West Union in October demonstrates a small temperature transition, adjusting from an average high of a warm 77.5°F (25.3°C) in September to a refreshing 64.6°F (18.1°C). Weather in October »Weather in November
November, the last month of the autumn in West Union, is another cool month, with an average temperature fluctuating between 51.6°F (10.9°C) and 36.5°F (2.5°C). Welcoming November, West Union observes a shift in the average high-temperature, falling from October's enjoyable 64.6°F (18.1°C) to a cool 51.6°F (10.9°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in West Union, Ohio, with an average temperature varying between 31.1°F (-0.5°C) and 41.9°F (5.5°C). The onset of December comes with a shift in the average high-temperature, falling from a fresh 51.6°F (10.9°C) in November to a wintry 41.9°F (5.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
West Union, OH
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure
West Union, OH
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
West Union, OH
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity
West Union, OH
The months with the highest relative humidity are January, February and December (81%).
The months with the lowest relative humidity are April, August, September, October and November (76%).
Average rainfall
West Union, OH
- Average rainfall in January:
1.18" - Average rainfall in February:
1.69" - Average rainfall in March:
1.97" - Average rainfall in April:
2.24" - Average rainfall in May:
2.24" - Average rainfall in June:
1.93"
- Average rainfall in July:
2.01" - Average rainfall in August:
1.57" - Average rainfall in September:
1.14" - Average rainfall in October:
1.18" - Average rainfall in November:
1.22" - Average rainfall in December:
1.73"
The wettest months (with the highest rainfall) are April and May (2.24").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days
West Union, OH
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
13 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall
West Union, OH
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
West Union, OH
- Average snowfall days in January:
7.9 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
0.6 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:
0.2 days - Average snowfall days in November:
2.2 days - Average snowfall days in December:
6.4 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
West Union, OH
- 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 36min - 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:
4h and 0min - Average sunshine in February:
5h and 0min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 12min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
West Union, OH
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
19.8 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.6 days).
Average UV index
West Union, OH
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
West Union, OH
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
West Union, OH
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).





