Average monthly snow and rainfall in Winthrop Harbor
The mean monthly precipitation over the year in Winthrop Harbor (), including rain, snow, hail.
- Most rainfall (rainy season) is seen in April and June.
- On average, June is the wettest month with 107 mm of precipitation.
- On average, January is the driest month with 40 mm of precipitation.
- The average amount of annual precipitation is 961 mm.
Forecast for Winthrop Harbor
Tue May 07
20°C | 11°C
SE 
22 km/h
22 km/h14 mm
broken clouds and thunder
Wed May 08
21°C | 10°C
SE 18 km/h
18 km/h
partly cloudy and no rain
Thu May 09
13°C | 8°C
NE 22 km/h
22 km/h3 mm
broken clouds and rain
