Oklahoma City, OK Climate & Monthly Averages
The climate of Oklahoma City
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.
Climate quick facts
- 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%
Temperatures through 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.
Rain, sun and snow
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.
How Oklahoma City compares
- 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.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| 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 month by month
Average high and low for each month, with the bar showing where it sits in Oklahoma City's year (left is the coldest night, right is the 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
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons 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.
Climate questions, answered
How cold does Oklahoma City get in winter?
What is the average temperature in Oklahoma City?
How much sun does Oklahoma City get?
Is Oklahoma City humid?
Are nights cold in Oklahoma City?
How often does it rain 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.
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.
Oklahoma City temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.