Climate of Oklahoma, USA
Area-weighted average across Oklahoma. For where people actually live and travel, see the cities below.
Oklahoma, a subdivision of United States of America, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 2.3°C / 36.1°F in January to 27.5°C / 81.5°F in July, with rainfall from 33 mm / 1.3 in to 124 mm / 4.9 in depending on the season (880 mm / 34.6 in total across the year). See the 2 cities listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 2.3°C36.1°F | 33 mm1.3″ | — |
| February | 5.3°C41.5°F | 44 mm1.7″ | — |
| March | 10.2°C50.4°F | 73 mm2.9″ | — |
| April | 15.2°C59.4°F | 80 mm3.1″ | — |
| May | 19.9°C67.8°F | 124 mm4.9″ | — |
| June | 24.7°C76.5°F | 101 mm4″ | — |
| July | 27.5°C81.5°F | 67 mm2.6″ | — |
| August | 26.9°C80.4°F | 70 mm2.8″ | — |
| September | 22.6°C72.7°F | 99 mm3.9″ | — |
| October | 16.4°C61.5°F | 80 mm3.1″ | — |
| November | 9.3°C48.7°F | 64 mm2.5″ | — |
| December | 4.2°C39.6°F | 45 mm1.8″ | — |
Frequently asked questions
What is the best time to visit Oklahoma?
Oklahoma, United States of America does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 27.5°C / 81.5°F, and the driest is January at 33 mm / 1.3 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Oklahoma?
Oklahoma, United States of America has area-weighted monthly average temperatures ranging from 2.3°C / 36.1°F in January to 27.5°C / 81.5°F in July. Annual rainfall averages about 880 mm / 34.6 in, with the wettest month being May (124 mm / 4.9 in) and the driest January (33 mm / 1.3 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Oklahoma?
The hottest month in Oklahoma is July, with an area-wide average temperature of 27.5°C / 81.5°F.
What is the coldest month in Oklahoma?
The coldest month in Oklahoma is January, with an area-wide average temperature of 2.3°C / 36.1°F.
When does it rain most in Oklahoma?
The wettest month in Oklahoma is May, averaging about 124 mm / 4.9 in of rainfall. The driest is January with about 33 mm / 1.3 in.