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Stillwater (OK) Weather and Climate: A Comprehensive Guide

The temperature in Stillwater can vary greatly throughout the year. The temperatures shift from very warm to cold. It receives mid-range precipitation levels. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to chilly in Stillwater. Average maximum daytime temperatures range from a very warm 34°C in July, the warmest time of the year, to a chilly 10°C during cooler months like January.

At night, temperatures typically drop to an average of around -4°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Stillwater has a moderate amount of precipitation, averaging 901 mm of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, May receives high rainfall, averaging 129 mm of precipitation, recorded across 12 rainy days. In contrast, the drier season, January brings less rainfall, with 19 mm over 3 rainy days. For more details, please visit our Stillwater Precipitation page.

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

Forecast for Stillwater (OK)

Sat   Dec 21
10°C | -5°C
SE 3 m/s
clear and no rain

clear and no rain

Sun   Dec 22
16°C | 0°C
S 8 m/s
almost clear and no rain

almost clear and no rain

Mon   Dec 23
15°C | 8°C
S 4 m/s
0.8 mm
overcast and slight rain

overcast and slight rain

The best time of year to visit Stillwater in the United States of America

During the months of April and October 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:
  • Which is the warmest month in Stillwater?
    August has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Stillwater?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Stillwater?
    May tops the wettest month list with 129 mm of rainfall.
  • Which is the driest month in Stillwater?
    January is the driest month with 19 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.