Guymon, OK Weather & Climate Normals
What a normal year in Guymon actually looks like
On the 30-year record NOAA keeps for Guymon, OK, the comfort score comes out to 45/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Guymon's weather actually swings
Average temperatures in Guymon run from 36°F in Jan up to 81°F in Jul, a 44.5°F seasonal swing, a middling gap by national standards.
Guymon, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 51°F | 22°F | 0.41in |
| Feb | 54°F | 24°F | 0.33in |
| Mar | 63°F | 32°F | 1.11in |
| Apr | 71°F | 41°F | 1.49in |
| May | 81°F | 51°F | 2.25in |
| Jun | 91°F | 62°F | 2.88in |
| Jul | 95°F | 67°F | 2.39in |
| Aug | 92°F | 65°F | 2.58in |
| Sep | 85°F | 57°F | 1.36in |
| Oct | 73°F | 43°F | 1.75in |
| Nov | 61°F | 31°F | 0.51in |
| Dec | 50°F | 23°F | 0.69in |
If you're timing a visit, Apr, May, Sep, and Oct are Guymon's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Guymon actually gets
Guymon averages 17.75in of precipitation a year across roughly 69 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Guymon against the rest of the country
Out of 4876 cities scored here, Guymon comes in at 3421; within OK alone it ranks 44 of 75. Population is about 12,397.
Checking the actual forecast
These figures come from Guymon Muni Ap, OK US, the NOAA station 1.7 miles from Guymon, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station