Ottumwa Weather in March

The climate in Ottumwa during March can be summarized as cool and reasonably dry.

March is in the spring in Ottumwa and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cold 9°C (48°F), whilst at night -2°C (29°F) is normal.

On average March is the 6th driest month of the year in Ottumwa with around 63mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ottumwa in March 2024.