Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Guymon (OK) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Guymon.
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Climate overview of Guymon
Guymon, Oklahoma, United States of America, sees big temperature differences between seasons, with July peaking at 35°C (95°F) and December dropping to 9°C (48°F).
The city tends toward dry conditions, with around 429 mm (17 in) of rain/snowfall per year. It does, however, have a distinct dry season from November to April, with very warm summers and cold winters.
Guymon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guymon - and find the best time to visit.
Monthly Temperature in Guymon
Visitors to Guymon can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 35°C (95°F) in July to a chilly 9°C (48°F) in the coolest month, December.
Nights vary from 19°C (66°F) in July to around -6°C (21°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Guymon
Guymon's climate is marked by below-average rain/snowfall, accumulating 429 mm (17 in) of precipitation yearly. The climate in Guymon shows significant variation throughout the year. Expect moderate rainfall in August, the wettest month, with an average of 79 mm (3.1 in) of precipitation over 10 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 6.4 mm (0.3 in) of rainfall over 3 rainy days. For more details, please visit our Guymon Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Guymon
Conditions in Guymon are generally most comfortable in March, April, May and October. They are typically least comfortable in July and August.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
good
Mar
excellent
Apr
excellent
May
excellent
Jun
mixed
Jul
very hot
Aug
very hot
Sep
very good
Oct
excellent
Nov
very good
Dec
mixed
- Best overall: March, April, May and October
- Warmest weather: July and August
- Seasonal pattern: A distinct dry season from November to April, with very warm summers and cold winters
- Coldest conditions: December, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Guymon
What is the best time to visit Guymon?
March, April, May and October typically offer the most optimal weather in Guymon. In contrast, July and August tend to have less optimal conditions. Guymon has a distinct dry season from November to April, with very warm summers and cold winters.
What temperatures can I expect in Guymon?
Daytime highs range from 9°C (48°F) in December to 35°C (95°F) in July. Nighttime lows range from -6°C (21°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Guymon get?
Annual rainfall is around 429 mm (17 in). August is the wettest month with 79 mm (3.1 in), while January is the driest with 6.4 mm (0.3 in).
Guymon 3-Day Forecast
Guymon on the map
Guymon is highlighted - select any city to see its climate.
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