The best times to visit Guymon for ideal weather are

April 9th to June 10th


August 20th to November 4th

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



Other Guymon Travel Info

Weather in Guymon


Average temperatures in Guymon vary drastically. Considering humidity, temperatures feel nice between summer and winter. The temperatures feel cold for about half the year, and too hot for part of the year with a very low chance of rain or snow throughout the year. The area is less temperate than some — in the 38th 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 Guymon, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 97.4°F (36.3°C) with temperatures rarely dropping below 67.5°F (19.7°C) at night.

Guymon Temperatures (Fahrenheit)


Guymon 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.

Guymon Perceived Temperature (F)


Guymon Perceived Temperature (C)



Average Guymon 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 52 34.6 21.9
Feb 53.9 36.6 23.5
Mar 67.6 48.4 33.5
Apr 74.2 55.8 41
May 83 65.8 50.7
Jun 94.1 77.5 62.6
Jul 96.2 80.7 66.4
Aug 94.7 79 65
Sep 88.2 71.1 56.8
Oct 75.9 57.9 43.7
Nov 63.5 45.5 31.3
Dec 50.6 34.8 23

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 11.1 1.4 -5.6
Feb 12.2 2.6 -4.7
Mar 19.8 9.1 0.8
Apr 23.4 13.2 5
May 28.3 18.8 10.4
Jun 34.5 25.3 17
Jul 35.7 27.1 19.1
Aug 34.8 26.1 18.3
Sep 31.2 21.7 13.8
Oct 24.4 14.4 6.5
Nov 17.5 7.5 -0.4
Dec 10.3 1.6 -5



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Guymon are January, December, and then November. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid October with an average of 2 days of significant precipitation the week of October 8th.

When can you find snow in Guymon? Weather stations report large amounts of snow likely to be deepest around December, especially close to mid December. The best time to ski (if at all) in Guymon is often around around December 17th when fresh powder is deepest. 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 Guymon.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 3% 1.8 0.4
Feb 6% 2.4 0.5
Mar 6% 2.5 0.8
Apr 10% 2 1.4
May 12% 0 1.7
Jun 14% 0 2.1
Jul 14% 0 2.4
Aug 14% 0 2.9
Sep 10% 0 1.2
Oct 11% 1.2 2.1
Nov 6% 2.2 0.4
Dec 5% 2.9 0.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 3 4.6 1
Feb 6 6.1 1.3
Mar 6 6.4 2
Apr 10 5.1 3.6
May 12 0 4.3
Jun 14 0 5.3
Jul 14 0 6.1
Aug 14 0 7.4
Sep 10 0 3
Oct 11 3 5.3
Nov 6 5.6 1
Dec 5 7.4 1.5


Humidity and Wind

Guymon has some comfortably humid months, and slightly dry months in the opposite season. The least humid month is March (36.8% relative humidity), and the most humid month is December (47.5%).

Wind in Guymon is usually moderate. The windiest month is April, followed by June and May. April’s average wind speed of around 11.5 knots (13.2 MPH or 21.2 KPH) is considered “a moderate 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 22.6 knots, which is considered a strong breeze.

Relative Humidity (%)

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

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 8.8 Gentle breeze 17.2 Strong breeze
Feb 9.2 Gentle breeze 17.9 Strong breeze
Mar 10.1 Gentle breeze 18.8 Strong breeze
Apr 11.5 Significant breeze 21.3 Strong breeze
May 10.3 Gentle breeze 19.6 Strong breeze
Jun 10.8 Gentle breeze 20.3 Strong breeze
Jul 9.2 Gentle breeze 17.4 Strong breeze
Aug 8.5 Gentle breeze 16.6 Significant breeze
Sep 9.1 Gentle breeze 16.7 Strong breeze
Oct 9.1 Gentle breeze 17.2 Strong breeze
Nov 9.3 Gentle breeze 17.8 Strong breeze
Dec 9 Gentle breeze 16.8 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 41.9%
Feb 44%
Mar 36.8%
Apr 37.2%
May 38.5%
Jun 39.4%
Jul 40.3%
Aug 43.1%
Sep 42.9%
Oct 41.3%
Nov 38.3%
Dec 47.5%


Is it Safe to Travel to Guymon?

Our best data indicates this area is generally safe. As of Dec 04, 2023 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 Dec 04, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Guymon, OK, US is June, followed by July and December. 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 Guymon in January. 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 36.5 in January means 36.5% of the tourists vs. June.



Overall Guymon Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 90.8°F (32.7°C) and 58.8°F (14.9°C) with warmer temperatures in the later months. Rain is rare with 2 to 4 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 the most precipitation with about 4 days of precipitation per month. June – August is the busiest season for tourism in Guymon, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 90.5°F (32.5°C) and 56.9°F (13.8°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 2 to 3 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 Guymon to be enjoyable for warm weather travelers. The average high during this season is between 58.8°F (14.9°C) and 46.6°F (8.1°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are fairly slow with tourists.


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