Climate Ottumwa - Iowa
Jan Ja Feb Fe Mar Ma Apr Ap May Ma Jun Ju Average high in ºF Av. high Hi 32 36 49 62 72 82 Average low in ºF Av. low Lo 13 18 28 40 51 60 Av. precipitation in inch Av. precip. Pre. 0.90 1.28 2.24 3.40 4.71 5.09 Av. snowfall in inch Snowfall Sn 6 6 3 2 0 0
Jul Ju Aug Au Sep Se Oct Oc Nov No Dec De Average high in ºF Av. high Hi 85 84 76 63 49 35 Average low in ºF Av. low Lo 65 62 53 41 30 17 Av. precipitation in inch Av. precip. Pre. 4.47 4.61 3.79 2.83 2.38 1.37 Av. snowfall in inch Snowfall Sn 0 0 0 0 1 6
What is the average weather in Ottumwa, Iowa? Ottumwa experiences a humid continental climate with very strong seasonal contrasts. Summers are warm and fairly wet, with June being the wettest month. Winters are cold, bringing regular snowfall, and January is the driest month. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
January February March April May June July August September October November December
1 Jan 31.7 14.0 0.04 0.04 0.20 0.50 2 Jan 31.6 13.9 0.08 0.08 0.39 1.00 3 Jan 31.6 13.8 0.12 0.12 0.71 1.80 4 Jan 31.5 13.7 0.12 0.12 0.91 2.30 5 Jan 31.5 13.7 0.16 0.16 1.10 2.80 6 Jan 31.5 13.6 0.20 0.20 1.30 3.30 7 Jan 31.4 13.5 0.24 0.24 1.50 3.80 8 Jan 31.4 13.4 0.28 0.28 1.69 4.30 9 Jan 31.4 13.4 0.31 0.31 1.89 4.80 10 Jan 31.4 13.3 0.31 0.31 2.09 5.30 11 Jan 31.4 13.2 0.35 0.35 2.28 5.80 12 Jan 31.3 13.2 0.39 0.39 2.60 6.60 13 Jan 31.3 13.1 0.43 0.43 2.80 7.10 14 Jan 31.3 13.1 0.43 0.43 2.99 7.60 15 Jan 31.4 13.1 0.47 0.47 3.19 8.10 16 Jan 31.4 13.1 0.51 0.51 3.39 8.60 17 Jan 31.4 13.1 0.51 0.51 3.58 9.10 18 Jan 31.4 13.1 0.55 0.55 3.70 9.40 19 Jan 31.4 13.1 0.59 0.59 3.90 9.90 20 Jan 31.5 13.1 0.59 0.59 4.09 10.40 21 Jan 31.5 13.1 0.63 0.63 4.29 10.90 22 Jan 31.6 13.1 0.67 0.67 4.49 11.40 23 Jan 31.6 13.2 0.71 0.71 4.69 11.90 24 Jan 31.7 13.2 0.71 0.71 4.80 12.20 25 Jan 31.8 13.3 0.75 0.75 5.00 12.70 26 Jan 31.8 13.4 0.79 0.79 5.20 13.20 27 Jan 31.9 13.5 0.79 0.79 5.39 13.70 28 Jan 32.0 13.6 0.83 0.83 5.51 14.00 29 Jan 32.2 13.7 0.83 0.83 5.71 14.50 30 Jan 32.3 13.8 0.87 0.87 5.91 15.00 31 Jan 32.4 14.0 0.91 0.91 6.10 15.50
Weather history Ottumwa - July 2026
Day 01 Jul 90.0 71.1 0.00 0.00 - 02 Jul - - - - - 03 Jul - - - - - 04 Jul - - - - - 05 Jul - - - - - 06 Jul - - - - - 07 Jul - - - - - 08 Jul - - - - - 09 Jul - - - - - 10 Jul - - - - - 11 Jul - - - - - 12 Jul - - - - - 13 Jul - - - - - 14 Jul - - - - - 15 Jul - - - - - 16 Jul - - - - - 17 Jul - - - - - 18 Jul - - - - - 19 Jul - - - - - 20 Jul - - - - - 21 Jul - - - - - 22 Jul - - - - - 23 Jul - - - - - 24 Jul - - - - - 25 Jul - - - - - 26 Jul - - - - - 27 Jul - - - - - 28 Jul - - - - - 29 Jul - - - - - 30 Jul - - - - - 31 Jul - - - - -
Past weather Ottumwa
Jul 26 Normal Average high temperature Av. high temp. 90.0 ºF 32 ºF Average low temperature Av. low temp. 71.1 ºF 13 ºF Total precipitation Total precip. 0.00 inch 0.90 inch Total snowfall Total snowfall 0.00 inch 6 inch Highest max temperature Highest max temp. 90.0 ºF - Lowest max temperature Lowest max temp. 90.0 ºF - Highest min temperature Highest min temp. 71.1 ºF - Lowest min temperature Lowest min temp. 71.1 ºF -
× Past weather July 2026 incomplete - Missing data
Geo Ottumwa - Iowa
Country United States State Iowa County Wapello City Ottumwa Zip Code 52501 Longitude -92.45 dec. degr. Latitude 41.11 dec. degr. Altitude - Elevation
840ft ICAO - IATA -
Date and Time Ottumwa - Iowa
Local Time 04:46 PM Sunrise 05:41 AM Sunset 08:47 PM Day/Night Day Timezone Central Daylight Time Timezone DB America - Chicago