United States of AmericaCountries United States of America Iowa Grinnell
United States of AmericaUnited States of America Iowa Grinnell
Grinnell
Weather averages
ClimateForecastAprilMay >>

Climate in Grinnell (Iowa), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Grinnell, the United States of America

Feel free to add this climate graph to your website. Click the copy button above.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Grinnell, the United States of America

Feel free to add this climate graph to your website. Click the copy button above.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Grinnell, the United States of America

Feel free to add this climate graph to your website. Click the copy button above.

Weather Forecasts for Grinnell (IA)

Thu   Apr 18
11°C | 6°C
N 25 km/h
17 mm
broken clouds and rain

broken clouds and rain

hourly forecast
Fri   Apr 19
15°C | 3°C
W 40 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sat   Apr 20
10°C | 1°C
NW 29 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Grinnell 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:

  • When is summer in Grinnell?
    The hottest season / summer takes place in June, July, August and September.
  • When is winter in Grinnell?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Grinnell?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Grinnell?
    The coldest month is January with an average maximum temperature of -2°C.
  • Which is the wettest month in Grinnell?
    June tops the wettest month list with 158 mm of rainfall.
  • Which is the driest month in Grinnell?
    January is the driest month with 22 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.

     

     

    Travel Inspiration