Ottumwa (IA) Weather and Climate: A Comprehensive Guide
The climate in Ottumwa is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to very cold in the cooler months.
It also experiences much rain/snowfall throughout the year.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
In Ottumwa, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 30°C in July. In January, the coolest month of the year, temperatures drop to a very cold 0°C.
At night, you can expect cooler temperatures, with averages dropping to around -10°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Ottumwa experiences significant rain/snowfall throughout the year, averaging 1041 mm of precipitation annually. Ottumwa can be quite wet during June, receiving approximately 157 mm of precipitation over 13 rainy days. In contrast January, experiences much drier conditions, with 24 mm of snowfall, spread across 8 snowy days. For more details, please visit our Ottumwa Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
overcast and heavy rain broken clouds and no rain broken clouds and no rainForecast for Ottumwa (IA)
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The best time of year to visit Ottumwa in the United States of America
During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 0°C.
June tops the wettest month list with 157 mm of rainfall.
January is the driest month with 24 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
