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Keokuk (IA) Weather and Climate: A Comprehensive Guide

The temperature in Keokuk can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and very cold during the cooler months. It also has a notably wet climate with much precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to Keokuk can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 30°C in July, the warmest time of the year, to a very cold 1°C during cooler months like January.

At night, temperatures typically drop to an average of around -8°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Keokuk is known for its substantial rain/snowfall, with annual precipitation reaching 1012 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives heavy rainfall, averaging 178 mm of precipitation, recorded across 13 rainy days. In contrast, the drier season, January brings less snowfall, with 33 mm over 7 snowy days. For more details, please visit our Keokuk Precipitation page.

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

Forecast for Keokuk (IA)

Fri   Dec 27
10°C | 7°C
E 4 m/s
8 mm
overcast and rain

overcast and rain

Sat   Dec 28
12°C | 5°C
SW 4 m/s
broken clouds and no rain

broken clouds and no rain

Sun   Dec 29
11°C | 3°C
NW 4 m/s
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Keokuk 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 Keokuk?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Keokuk?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Keokuk?
    The coldest month is January with an average maximum temperature of 1°C.
  • Which is the wettest month in Keokuk?
    June tops the wettest month list with 178 mm of rainfall.
  • Which is the driest month in Keokuk?
    January is the driest month with 33 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.