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Union, South Carolina Climate Averages

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Union Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 50°F Lo 35°F Hi 55°F Lo 38°F Hi 62°F Lo 44°F Hi 72°F Lo 52°F Hi 81°F Lo 60°F Hi 89°F Lo 67°F Hi 92°F Lo 71°F Hi 90°F Lo 69°F Hi 84°F Lo 64°F Hi 74°F Lo 54°F Hi 61°F Lo 44°F Hi 54°F Lo 40°F
7 mph 7 mph 7 mph 7 mph 6 mph 5 mph 5 mph 4 mph 5 mph 6 mph 6 mph 6 mph
4.6 in 5.2 in 4.7 in 5.3 in 6.2 in 4.6 in 5.7 in 5.6 in 4.8 in 3.9 in 3.8 in 5.3 in
73% 75% 73% 72% 73% 70% 69% 71% 71% 71% 70% 76%
37% 42% 40% 32% 34% 29% 31% 32% 31% 29% 32% 41%
30.1 in 30.1 in 30.1 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.2 in 30.1 in
24 20 23 24 24 25 25 26 25 27 25 23
6 7 8 6 7 5 6 5 5 4 5 7
1 1 1 0 0 0 0 0 0 0 0 1
4 3 4 4 6 4 4 5 4 3 2 4
2 3 4 5 6 6 6 6 5 4 3 3
219 176 190 231 238 257 252 245 238 251 232 202
January
February
March
April
May
June
July
August
September
October
November
December
Hi 10°C Lo 2°C Hi 13°C Lo 3°C Hi 17°C Lo 7°C Hi 22°C Lo 11°C Hi 27°C Lo 16°C Hi 32°C Lo 20°C Hi 34°C Lo 21°C Hi 32°C Lo 21°C Hi 29°C Lo 18°C Hi 23°C Lo 12°C Hi 16°C Lo 7°C Hi 12°C Lo 4°C
10 km/h 11 km/h 11 km/h 11 km/h 9 km/h 8 km/h 8 km/h 7 km/h 8 km/h 9 km/h 9 km/h 10 km/h
116 mm 131 mm 118 mm 135 mm 157 mm 117 mm 144 mm 143 mm 122 mm 99 mm 97 mm 135 mm
73% 75% 73% 72% 73% 70% 69% 71% 71% 71% 70% 76%
37% 42% 40% 32% 34% 29% 31% 32% 31% 29% 32% 41%
1021 mb 1020 mb 1019 mb 1017 mb 1017 mb 1015 mb 1016 mb 1016 mb 1017 mb 1018 mb 1021 mb 1021 mb
24 20 23 24 24 25 25 26 25 27 25 23
6 7 8 6 7 5 6 5 5 4 5 7
1 1 1 0 0 0 0 0 0 0 0 1
4 3 4 4 6 4 4 5 4 3 2 4
2 3 4 5 6 6 6 6 5 4 3 3
219 176 190 231 238 257 252 245 238 251 232 202
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Pressure Average
Average Dry Days
Avg. Precip. Days
Avg. Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

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