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Ames (IA) Weather and Climate: A Comprehensive Guide

The temperature in Ames can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Visitors to Ames can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 29°C in July to a very cold -2°C in January.

Nighttime temperatures can drop, with average lows reaching -12°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Ames is known for its substantial rain/snowfall, with annual precipitation reaching 1017 mm. The seasons in Ames, bring significant changes in precipitation. The wettest month, August, receives high rainfall, with an average of 137 mm of precipitation. This rainfall is distributed across 10 rainy days.

In contrast, the driest month, January, experiences much less snowfall, totaling 21 mm over 6 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Ames Precipitation page.

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

Sunshine over the year

In Ames, summer days are longer and more sunny, with daily sunshine hours peaking at 11.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.3 hours per average day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Des Moines, the United States of America (54 KM, 34 Miles).

Daily hours of sunshine

Data from: Des Moines, the United States of America (54 KM, 34 Miles).

Forecast for Ames (IA)

Mon   Dec 23
5°C | -2°C
NW 6 m/s
partly cloudy and no rain

partly cloudy and no rain

Tue   Dec 24
3°C | -2°C
SE 3 m/s
overcast and no rain

overcast and no rain

Wed   Dec 25
4°C | -2°C
SE 5 m/s
overcast and no rain

overcast and no rain

The best time of year to visit Ames 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 Ames?
    The hottest season / summer takes place in June, July, August and September.
  • When is winter in Ames?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Ames?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Ames?
    The coldest month is January with an average maximum temperature of -2°C.
  • Which is the wettest month in Ames?
    August tops the wettest month list with 137 mm of rainfall.
  • Which is the driest month in Ames?
    January is the driest month with 21 mm of precipitation.
  • Which is the sunniest month in Ames?
    July is the sunniest month with an average of 335 hours of sunshine.

  • 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.