Average monthly snow and rainfall in Marshalltown (IA)
The mean monthly precipitation over the year in Marshalltown (Iowa), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: April, May, June, July and August.
- On average, June is the wettest month with 138 mm of precipitation.
- On average, January is the driest month with 20 mm of precipitation.
- The average amount of annual precipitation is 993 mm.
Forecast for Marshalltown (IA)
Sun May 05
20°C | 4°C
SE 
14 km/h
14 km/h
partly cloudy and no rain
Mon May 06
22°C | 9°C
SE 29 km/h
29 km/h
broken clouds and no rain
Tue May 07
22°C | 12°C
W 29 km/h
29 km/h7.7 mm
partly cloudy and slight rain
