The best times to visit Stillwater for ideal weather are

March 26th to June 3rd


September 10th to November 11th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Stillwater Travel Info

Weather in Stillwater


Average temperatures in Stillwater vary drastically. Considering humidity, temperatures feel nice some of the year, but often too hot in the summer and cold in the winter with a low chance of precipitation most of the year. The area is less temperate than some — in the 36th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Stillwater, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 98.4°F (36.9°C) with temperatures rarely dropping below 72.6°F (22.6°C) at night.

Stillwater Temperatures (Fahrenheit)


Stillwater Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Stillwater Perceived Temperature (F)


Stillwater Perceived Temperature (C)



Average Stillwater Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 51.2 36.6 25.4
Feb 53.9 39.6 28.6
Mar 67.2 52.2 40.6
Apr 74.9 60.4 48.9
May 81.7 68.9 57.9
Jun 91.1 79.4 68.6
Jul 95.6 82.8 71.2
Aug 95.9 82 69.8
Sep 87.7 73.5 61.5
Oct 76.3 61.3 48.7
Nov 64.8 50 38
Dec 51.9 38.9 28.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 10.7 2.6 -3.7
Feb 12.2 4.2 -1.9
Mar 19.6 11.2 4.8
Apr 23.8 15.8 9.4
May 27.6 20.5 14.4
Jun 32.8 26.3 20.3
Jul 35.3 28.2 21.8
Aug 35.5 27.8 21
Sep 30.9 23.1 16.4
Oct 24.6 16.3 9.3
Nov 18.2 10 3.3
Dec 11.1 3.8 -1.9



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Stillwater are January, December, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late August to early September. For example, on the week of August 27th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid May with an average of 2 days of significant precipitation the week of May 7th.

When can you find snow in Stillwater? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Stillwater.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Stillwater (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 7% 0 0.9
Feb 10% 0 1.8
Mar 14% 0 2.2
Apr 17% 0 4.1
May 23% 0 5
Jun 19% 0 3.9
Jul 16% 0 4
Aug 14% 0 2.8
Sep 13% 0 2.9
Oct 13% 0 2.7
Nov 10% 0 2.1
Dec 7% 0 1.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 7 0 2.3
Feb 10 0 4.6
Mar 14 0 5.6
Apr 17 0 10.4
May 23 0 12.7
Jun 19 0 9.9
Jul 16 0 10.2
Aug 14 0 7.1
Sep 13 0 7.4
Oct 13 0 6.9
Nov 10 0 5.3
Dec 7 0 3


Humidity and Wind

Stillwater has some comfortably humid months, with slightly drier months on the other side of the year. The least humid month is January (47.3% relative humidity), and the most humid month is May (58%).

Wind in Stillwater is usually moderate. The windiest month is April, followed by March and June. April’s average wind speed of around 10 knots (11.5 MPH or 18.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid April where average top sustained speeds reach 18.6 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Stillwater.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 7.8 Gentle breeze 15.1 Significant breeze
Feb 8.3 Gentle breeze 15.6 Significant breeze
Mar 9.3 Gentle breeze 16.7 Significant breeze
Apr 10 Gentle breeze 17.8 Strong breeze
May 8.8 Gentle breeze 16.5 Significant breeze
Jun 8.9 Gentle breeze 16.2 Significant breeze
Jul 7.1 Gentle breeze 13.6 Significant breeze
Aug 7.1 Gentle breeze 14 Significant breeze
Sep 7.1 Gentle breeze 13.5 Significant breeze
Oct 7.6 Gentle breeze 14.3 Significant breeze
Nov 8.3 Gentle breeze 15.4 Significant breeze
Dec 7.7 Gentle breeze 14.2 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 47.3%
Feb 50.2%
Mar 48%
Apr 49%
May 58%
Jun 57.6%
Jul 52.7%
Aug 51.1%
Sep 54.1%
Oct 51.7%
Nov 49.6%
Dec 55.9%


Is it Safe to Travel to Stillwater?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Stillwater, OK, US is June, followed by May and July. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Stillwater in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 38.9 in November means 38.9% of the tourists vs. June.



Overall Stillwater Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 86.9°F (30.5°C) and 58.3°F (14.6°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 7 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 4 to 6 days of precipitation per month. June – August is the busiest season for tourism in Stillwater, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 91°F (32.8°C) and 57.9°F (14.4°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 3 to 4 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Stillwater to be enjoyable for warm weather travelers. The average high during this season is between 58.3°F (14.6°C) and 48.2°F (9°C). On average, it rains or snows a smalll amount: 2 to 3 times per month. These times of year are fairly slow with tourists.


Best Times to Travelthe United States › Stillwater, OK, US