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Guymon climate

Typical historical weather for Guymon, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Guymon.

Annual average

14.7°C

across all months

Warmest month

34.1°C

Jul average high

Coolest month

-3.9°C

Jan average low

Annual rainfall

440mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high Avg low Rainfall

Records on file

Hottest day

42.8°C

20 July 2018

Coldest day

-28.5°C

15 February 2021

Wettest day

84.1mm

12 July 2025

Windiest day

12.5m/s

13 March 2019

See the detail: Guymon on 12 July 2025.