Grinnell weather in May (Iowa, United States of America)
What weather conditions can you expect in Grinnell this May? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.
Temperatures
The month of May in Grinnell typically includes pleasant temperatures and high rainfall. The daytime often sees temperatures reaching 22°C, but nighttime brings a cool-down to 10°C.
Precipitation
Grinnell in May usually receives high rainfall, averaging around 122 mm for the month. Past climate data indicates that roughly 13 days will see rain.If your ideal day consists of dry skies and moderate temperatures September generally stands out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Grinnell climate page with graphs.
Grinnell, monthly averages in May
Min Temperature
10°C
Max Temperature
22°C
Chance of Rain
42%
Precipitation
122 mm
Rainy days
13 days
Where to go in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
For visitors traveling to Grinnell, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Grinnell.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
