Stillwater Weather Records

Stillwater, Oklahoma weather averages and records from 1893–2023 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Stillwater, Oklahoma was 115 °F which occurred on August 11, 1936.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Stillwater, Oklahoma was -21 °F which occurred on February 10, 2011.
Lowest Temperatures: All-Time By Year
Stillwater Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 49.9 25.2 82 -12 1.1 2.2
February 54.1 29.2 92 -21 1.4 1.1
March 63.6 38.3 98 -5 2.5 2.1
April 72.6 46.7 104 16 3.7 0.0
May 80.2 57.5 101 29 4.8 0.0
June 88.7 66.9 106 43 4.7 0.0
July 93.9 71.3 113 50 3.4 0.0
August 93.6 69.3 115 43 3.3 0.0
September 85.6 60.6 111 31 3.4 0.0
October 74.6 48.2 99 12 3.1 0.0
November 62.0 36.9 89 7 2.0 0.1
December 51.3 28.1 84 -15 1.7 2.5
Entire year 72.8 48.5 115 -21 34.7 8.0
More Stillwater Weather Records
1893–2023
Highest daily low 89 °F June 28, 1894
Lowest daily high 0 °F December 23, 1990
Greatest daily range
(Difference of high and low)
61 °F January 1, 1952
Difference in high temperature
over two conscutive days
54 °F Jan 25–26, 1950
Most daily precipitation 7.0 inches May 21, 1957
Most monthly precipitation 17.7 inches July 1959
Most yearly precipitation 61.9 inches 1959
Earliest freeze September 27 1942
Latest freeze May 3 2013
Earliest snow in season November 1 1951
Latest snow in season April 8 1938
Most daily snow 13.0 inches March 9, 1994
Most monthly snow 19.0 inches March 1994
Most yearly snow 36.2 inches 1924
Greatest snow accumulation 12.0 inches December 1, 2006
Most days in a year ≥ 80 °F 189 1963
Most days in a year ≥ 90 °F 128 1956
Most days in a year ≥ 100 °F 65 2011
Stillwater Weather Streaks
Most consecutive days...
With precipitation 9 days Mar 6–14, 1958
Without precipitation 59 days Dec 21, 1913 – Feb 17, 1914
With snow 5 days Dec 27–31, 1983
Freezing temperatures
High temperature ≤ 32 °F
12 days Dec 18–29, 1983
High temperature ≥ 80 °F 136 days Jun 1 – Oct 14, 1931
High temperature ≥ 90 °F 96 days May 31 – Sep 3, 2011
High temperature ≥ 100 °F 26 days Jun 29 – Jul 24, 2011
Stillwater Weather by Year
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Weather Station Details
Years Station Coordinates
2009–2023 Stillwater Regional Airport location
1893–2008 Stillwater 2 W location