Climate in Johnston, Iowa

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Climate

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Climate	Johnston, IA	United States
Rainfall (in.)	31.4	36.5
Snowfall (in.)	25.2	25
Precipitation Days	91	100
Sunny Days	199	205
Avg. July High	86	86.5
Avg. Jan. Low	9.7	20.5
Comfort Index (higher=better)	43	44
UV Index	4	4.3
Elevation ft.	940	1,060

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Johnston, IA, gets 31 inches of rain per year. The US average is 37. Snowfall is 25 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 91.

On average, there are 199 sunny days per year in Johnston, IA. The July high is around 86 degrees. The January low is 10. Our comfort index, which is based on humidity during the hot months, is a 43 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

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Johnston Climate SperlingViews

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