Oskaloosa, Iowa Climate

United States

Pop. 11,607 Elev. 256 m / 840 ft TZ: America/Chicago (UTC-5) ·

Dry and warm, Oskaloosa sees July highs of 87°F (31°C) and cold January lows of 15°F (-9°C). Humidity pushes the summer feels-like temperature to 100°F (38°C), while wind chill can drive winter lows to 6°F (-14°C). Expect around 46 rainy days annually (30.8 in / 782 mm total), with snow on 3 days and 28 in (703 mm) of annual accumulation. The city averages 137 sunny days per year and around 36 thunderstorm days. Nearby lake water reaches 80°F (27°C) in summer.

Temperature 87°F (31°C) high 15°F (-10°C) low
Feels like 100°F (38°C) high 6°F (-15°C) low
Rain 46 days 30.8 in (782 mm) /yr
Snow 3 days 27.7 in (703 mm) /yr
Sky 137 sunny 36 stormy
Wind 2.7 mph (1.2 m/s) avg

Looking for a place with a climate like Oskaloosa? Explore and filter 150,000+ cities worldwide.

Explore on the Map

Monthly Climate Chart

↓ Monthly data table
Best months to visit: Mar, May, Aug, Sep, Oct

Sky & Air by Month

Cloud cover (%)
46
Jan
57
Feb
48
Mar
65
Apr
53
May
49
Jun
59
Jul
47
Aug
48
Sep
46
Oct
51
Nov
68
Dec
Humidity (%)
60
Jan
65
Feb
55
Mar
58
Apr
54
May
63
Jun
75
Jul
72
Aug
61
Sep
60
Oct
66
Nov
76
Dec

Weather Days by Month

↓ Weather days table

Water Temperatures

↓ Water temperatures table

Cities with Similar Climate

Find similar cities on the map →

Nearby Cities

Nearby

Commercial airport 55 mi Des Moines International Airport (DSM)
Ski resort 50 mi
National park 140 mi Effigy Mounds National Monument
Hospital 1 mi Mahaska Health Partnership
Hiking trail 33 mi Lake Trail

Interested in Oskaloosa?

Hotels
Flights
Real Estate
Insurance
Connectivity

Monthly Weather Data

↑ See chart
Month Avg High Avg Low Rainfall Snowfall Sunny Days
January 32°F 0°C 15°F -10°C 0.8 in 22 mm 2.6 in66 mm 13
February 34°F 1°C 17°F -8°C 0.1 in 1 mm 5.3 in134 mm 10
March 61°F 16°C 36°F 2°C 2.5 in 64 mm 3.3 in85 mm 13
April 65°F 18°C 45°F 7°C 5.4 in 137 mm 5
May 74°F 23°C 53°F 11°C 2.2 in 57 mm 11
June 86°F 30°C 66°F 19°C 4.9 in 124 mm 14
July 87°F 31°C 70°F 21°C 7.4 in 189 mm 10
August 82°F 28°C 64°F 18°C 1.9 in 50 mm 13
September 82°F 28°C 59°F 15°C 1.8 in 45 mm 14
October 71°F 22°C 51°F 11°C 2.2 in 55 mm 15
November 53°F 12°C 35°F 2°C 0.9 in 23 mm 9.3 in235 mm 12
December 36°F 2°C 19°F -7°C 0.6 in 16 mm 7.2 in183 mm 7

Weather Days by Month

↑ See chart
Month Sunny Days Storm Days
January 13 1
February 10 0
March 13 2
April 5 5
May 11 2
June 14 5
July 10 10
August 13 2
September 14 3
October 15 4
November 12 2
December 7 0

Water Temperatures Data

↑ See chart
Month Lake Avg High
January 32°F 0°C
February 32°F 0°C
March 41°F 5°C
April 53°F 12°C
May 62°F 17°C
June 74°F 23°C
July 80°F 27°C
August 76°F 24°C
September 70°F 21°C
October 59°F 15°C
November 43°F 6°C
December 32°F 0°C