KOA Campgrounds, Iowa Climate Averages

21788 Dogwood Avenue, Onawa, IA 51040
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KOA Campgrounds Monthly Climate Averages

January
February
March
April
May
June
July
August
September
October
November
December
Hi 29°F Lo 15°F Hi 34°F Lo 18°F Hi 49°F Lo 32°F Hi 60°F Lo 42°F Hi 71°F Lo 53°F Hi 81°F Lo 63°F Hi 85°F Lo 66°F Hi 84°F Lo 64°F Hi 79°F Lo 58°F Hi 63°F Lo 45°F Hi 49°F Lo 33°F Hi 35°F Lo 21°F
10 mph 10 mph 11 mph 11 mph 10 mph 9 mph 8 mph 8 mph 9 mph 10 mph 10 mph 10 mph
1 in 1.2 in 2.7 in 4.6 in 5.6 in 5.9 in 4.7 in 5.7 in 3.6 in 3 in 1.8 in 1.8 in
80% 77% 71% 65% 70% 73% 74% 71% 67% 63% 67% 77%
51% 48% 48% 45% 42% 33% 28% 32% 30% 33% 36% 48%
30.2 in 30.1 in 30.0 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
23 21 24 21 22 22 24 24 24 25 25 23
5 5 6 8 9 8 7 7 6 5 4 5
3 3 2 1 0 0 0 0 0 0 1 3
2 1 1 0 0 1 1 1 1 0 1 2
1 1 2 3 5 6 6 5 5 3 2 1
145 145 167 168 190 220 257 242 242 223 213 171
January
February
March
April
May
June
July
August
September
October
November
December
Hi -2°C Lo -10°C Hi 1°C Lo -8°C Hi 10°C Lo -0°C Hi 16°C Lo 5°C Hi 22°C Lo 12°C Hi 27°C Lo 17°C Hi 29°C Lo 19°C Hi 29°C Lo 18°C Hi 26°C Lo 14°C Hi 17°C Lo 7°C Hi 9°C Lo 1°C Hi 1°C Lo -6°C
16 km/h 16 km/h 18 km/h 18 km/h 15 km/h 14 km/h 12 km/h 13 km/h 15 km/h 16 km/h 17 km/h 16 km/h
24 mm 29 mm 67 mm 116 mm 143 mm 150 mm 119 mm 145 mm 90 mm 76 mm 45 mm 47 mm
80% 77% 71% 65% 70% 73% 74% 71% 67% 63% 67% 77%
51% 48% 48% 45% 42% 33% 28% 32% 30% 33% 36% 48%
1022 mb 1021 mb 1017 mb 1013 mb 1013 mb 1011 mb 1014 mb 1014 mb 1015 mb 1016 mb 1018 mb 1020 mb
23 21 24 21 22 22 24 24 24 25 25 23
5 5 6 8 9 8 7 7 6 5 4 5
3 3 2 1 0 0 0 0 0 0 1 3
2 1 1 0 0 1 1 1 1 0 1 2
1 1 2 3 5 6 6 5 5 3 2 1
145 145 167 168 190 220 257 242 242 223 213 171
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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