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Hanna, Iowa Climate Averages

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Hanna Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 24°F Lo 10°F Hi 28°F Lo 12°F Hi 43°F Lo 28°F Hi 56°F Lo 39°F Hi 68°F Lo 51°F Hi 78°F Lo 61°F Hi 81°F Lo 63°F Hi 80°F Lo 61°F Hi 75°F Lo 55°F Hi 59°F Lo 43°F Hi 44°F Lo 30°F Hi 31°F Lo 18°F
11 mph 11 mph 11 mph 12 mph 10 mph 9 mph 8 mph 8 mph 9 mph 10 mph 11 mph 10 mph
1.1 in 1.4 in 2.7 in 4.9 in 5.7 in 6.6 in 3.8 in 5 in 4 in 3.5 in 1.7 in 2 in
88% 85% 77% 70% 71% 77% 81% 78% 72% 66% 71% 82%
61% 56% 54% 49% 45% 38% 33% 32% 31% 38% 41% 56%
30.1 in 30.1 in 30.1 in 29.9 in 29.9 in 29.9 in 29.9 in 29.9 in 30.0 in 30.0 in 30.1 in 30.1 in
19 18 21 20 20 20 23 24 24 25 23 20
7 7 7 9 11 10 8 7 6 5 5 7
5 4 4 2 0 0 0 0 0 0 2 5
1 0 0 0 0 0 0 0 0 0 0 0
1 1 2 3 5 5 5 5 4 2 1 1
108 119 136 148 174 198 228 236 231 210 191 140
January
February
March
April
May
June
July
August
September
October
November
December
Hi -5°C Lo -13°C Hi -2°C Lo -11°C Hi 6°C Lo -2°C Hi 13°C Lo 4°C Hi 20°C Lo 11°C Hi 26°C Lo 16°C Hi 27°C Lo 17°C Hi 27°C Lo 16°C Hi 24°C Lo 13°C Hi 15°C Lo 6°C Hi 7°C Lo -1°C Hi -1°C Lo -8°C
17 km/h 17 km/h 18 km/h 19 km/h 16 km/h 14 km/h 12 km/h 13 km/h 15 km/h 17 km/h 18 km/h 17 km/h
29 mm 34 mm 67 mm 125 mm 145 mm 169 mm 96 mm 126 mm 101 mm 88 mm 44 mm 51 mm
88% 85% 77% 70% 71% 77% 81% 78% 72% 66% 71% 82%
61% 56% 54% 49% 45% 38% 33% 32% 31% 38% 41% 56%
1021 mb 1021 mb 1018 mb 1014 mb 1014 mb 1012 mb 1014 mb 1014 mb 1016 mb 1016 mb 1018 mb 1019 mb
19 18 21 20 20 20 23 24 24 25 23 20
7 7 7 9 11 10 8 7 6 5 5 7
5 4 4 2 0 0 0 0 0 0 2 5
1 0 0 0 0 0 0 0 0 0 0 0
1 1 2 3 5 5 5 5 4 2 1 1
108 119 136 148 174 198 228 236 231 210 191 140
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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