Oklahoma City, OK Climate & Monthly Averages
Oklahoma City has a humid subtropical climate. July is the hottest month, averaging 93° by day; January is the coldest at 49°.
Oklahoma City's climate is a story of contrasts
Oklahoma City runs one of the wider annual swings in our dataset: 25°C separates the average July from the average January. Afternoons reach 93°F (34°C) at the peak of summer and 49°F (9°C) at the depth of winter, with 90 days of measurable precipitation through the year.
July
93° by day 75° at nightJanuary
49° by day 31° at nightThe two ends of the year
At its warmest, in July, Oklahoma City runs to 93°F (34°C) in the afternoon and back to 75°F (24°C) by dawn. January bottoms out at 49°F (9°C) in daylight, 31°F (-1°C) after dark. The gridded 2015-2024 daily record for this location tops out at 110°F (44°C) and bottoms at -14°F (-26°C) - decade extremes, not all-time station records. The wettest month is May (5.6 inches (142 mm) across 13 days) and the driest January.
Days and nights are about 10°C apart on average - wider than roughly 76% of the cities we track. Between the average July and the average January lie 25°C, a wider spread than roughly 82% of the cities we track.
More climate facts for Oklahoma City
- Hottest month: July - highs near 93°F (34°C)
- Coldest month: January - highs near 49°F (9°C)
- Decade extremes (2015-2024): 110°F (44°C) high · -14°F (-26°C) low
- Wettest month: May (13 rainy days) · Sunniest: July (12.4 h sun/day)
- Climate type: humid subtropical
- Annual swing: 25°C between the average warmest and coolest month · day to night: 10°C
- Snow: about 3 days a year
- Months averaging 30°C or hotter: 4
- Average humidity: 63%
Four distinct parts of the year in Oklahoma City
Spring (March through May)
Spring settles into easy warmth here - highs near 71°F (22°C), nights near 52°F (11°C), and rain falls on around 30 of the 90 days.
Summer (June through August)
Summer in Oklahoma City is hot, with daytime highs averaging 91°F (33°C) and nights around 73°F (23°C); expect showers on roughly 24 days across the season. Daylight is generous - around 12.2 hours of sun a day.
Fall (September through November)
Fall brings comfortable warmth here - highs near 74°F (23°C), nights near 56°F (13°C), and expect showers on roughly 19 days across the season.
Winter (December through February)
Winter runs cold here - highs near 52°F (11°C), nights near 33°F (1°C), and rain comes on about 16 days over the three months, plus about 3 snowy days.
Oklahoma City temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.
Choosing a season in Oklahoma City
Best time to visit Oklahoma City
Aim for March to April and October to November if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 67°F (20°C) against roughly 7 wet days a month. For the same question asked the other way round, see where else is warm in March.
What to pack
Pack for Oklahoma City with lightweight, breathable clothing and serious sun protection, a warm jacket and layers for the cooler season and a compact umbrella or rain shell. July nights average 75°F (24°C), so evenings rarely match the afternoons.
Monthly highs, lows and seasonal change
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 49° | 31° | 5 | 1.6 in | 7.4 h/day | 10.0 h | 16% | 63% |
| February | 53° | 33° | 7 | 1.9 in | 8.0 h/day | 10.9 h | 24% | 62% |
| March | 64° | 44° | 8 | 2.8 in | 8.8 h/day | 11.9 h | 26% | 61% |
| April | 71° | 51° | 10 | 4.3 in | 9.9 h/day | 13.0 h | 32% | 61% |
| May | 79° | 61° | 13 | 5.6 in | 10.1 h/day | 14.0 h | 42% | 70% |
| June | 89° | 71° | 8 | 3.4 in | 12.2 h/day | 14.5 h | 28% | 65% |
| July | 93° | 75° | 8 | 2.7 in | 12.4 h/day | 14.3 h | 27% | 61% |
| August | 92° | 74° | 8 | 2.5 in | 11.9 h/day | 13.5 h | 25% | 61% |
| September | 86° | 68° | 7 | 3.4 in | 10.7 h/day | 12.3 h | 22% | 62% |
| October | 74° | 55° | 7 | 3.5 in | 9.2 h/day | 11.2 h | 22% | 60% |
| November | 61° | 43° | 5 | 2.4 in | 7.8 h/day | 10.2 h | 18% | 67% |
| December | 53° | 36° | 5 | 1.7 in | 7.3 h/day | 9.8 h | 15% | 64% |
Oklahoma City from the coldest month to the hottest
Each card shows the average high and low. The bar places that month between Oklahoma City's coldest night and warmest afternoon.
January
- Rain
- 5 days
- Sunshine
- 7.4 h
- Daylight
- 10.0 h
February
- Rain
- 7 days
- Sunshine
- 8.0 h
- Daylight
- 10.9 h
- Snow
- 2 days
March
- Rain
- 8 days
- Sunshine
- 8.8 h
- Daylight
- 11.9 h
April
- Rain
- 10 days
- Sunshine
- 9.9 h
- Daylight
- 13.0 h
May
- Rain
- 13 days
- Sunshine
- 10.1 h
- Daylight
- 14.0 h
June
- Rain
- 8 days
- Sunshine
- 12.2 h
- Daylight
- 14.5 h
July
- Rain
- 8 days
- Sunshine
- 12.4 h
- Daylight
- 14.3 h
August
- Rain
- 8 days
- Sunshine
- 11.9 h
- Daylight
- 13.5 h
September
- Rain
- 7 days
- Sunshine
- 10.7 h
- Daylight
- 12.3 h
October
- Rain
- 7 days
- Sunshine
- 9.2 h
- Daylight
- 11.2 h
November
- Rain
- 5 days
- Sunshine
- 7.8 h
- Daylight
- 10.2 h
December
- Rain
- 5 days
- Sunshine
- 7.3 h
- Daylight
- 9.8 h
Looking for warmer alternatives? Browse warm places by month, or compare Oklahoma City's coolest part of the year: January, December, February.
Where Oklahoma City sits among other climates
- Oklahoma City sits close to the middle of our dataset on most measures: 62°F (17°C) as an annual average, 36.0 inches (915 mm) of precipitation and 9.6 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.