Climate and monthly weather forecast
Oklahoma City, OK

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The State Capitol Building, Oklahoma City, Oklahoma, with flags and a statue outside
The State Capitol Building, Oklahoma City, Oklahoma, with flags and a statue outside

The climate of Oklahoma City

Oklahoma City is situated in the Humid subtropical zone, defined by the Köppen climate classification as Cfa. The city sees varying weather throughout the year, with moderate to substantial fluctuations in key weather parameters. A constant is the relative humidity, that fluctuates slightly on the higher side, ranging from 60% to 73% throughout the year, the highest being in May at 73%.

Rainfall in Oklahoma City is characterized by monthly averages from 1.02" (26mm) in the drier winter months to 4.09" (104mm) in May, the wettest month. Concurrently, the number of rainy days ranges from 4.5 to 14.5 days, with the maximum number of rainy days occurring in May. Occurrences of snow are minimal and most probable between January and March, with January having the highest average snowfall of 1.26" (32mm). Sunlight and cloud cover have their own cyclic pattern, with the city experiencing the lengthiest daylight hours of approximately 14.5 hours in June and July and the most sunshine hours, topping at 11 hours around the same period.

Temperature degrees in Oklahoma City show distinction, fluctuating from lows of 31.6°F (-0.2°C) in January to highs of 93.6°F (34.2°C) in July, showcasing the varied climate of the city. Wind patterns follow a similar path with lower wind speeds observed in July and August, averaging at 8.6mph (13.8km/h) and the highest winds peaking at 12.3mph (19.8km/h) in April.

The best time to visit Oklahoma City

Weather-wise, Oklahoma City sees the most clement temperatures from late spring through early fall. Typically, May and June offer agreeable conditions with average highs ranging from 77.9°F (25.5°C) to 88.9°F (31.6°C) and average lows ranging from 59.5°F (15.3°C) to 70.3°F (21.3°C). These months boast longer daylight hours, upwards of 14 hours, offering ample time for outdoor activity. With humidity levels around 73% and 68% and moderate rainfall, the conditions are suitable for many outdoor pursuits.

The worst time to visit Oklahoma City

The less hospitable months in Oklahoma City are typically between late fall and winter, specifically from November through February. During this period, temperature lows can drop to chilly averages between 31.6°F (-0.2°C) to 42.4°F (5.8°C), while the maximum temperature averages vary between 48.6°F (9.2°C) to 59.5°F (15.3°C). Snowfall occurrences, though minimal, are possible during this time. Visitors might also face fewer daylight hours, ranging from 9.8 hours to 10.3 hours.

Spring weather in Oklahoma City

Spring ushers in milder temperatures in Oklahoma City. March starts with an average high of 62.4°F (16.9°C) and low of 44.4°F (6.9°C), but by May the temperatures rise significantly to a high of 77.9°F (25.5°C) and a low of 59.5°F (15.3°C). Relative humidity increases from 65% in March to 73% in May. Rainfall shoots up to an annual high of 4.09" (104mm) in May, which also sees the highest number of rainy days at 14.5.

Summer weather in Oklahoma City

Oklahoma City summers are characterized by high temperatures, ample sunlight, and minimal precipitation. In June, temperatures soar to an average high of 88.9°F (31.6°C) and drop to 70.3°F (21.3°C) towards the nighttime. July and August see similar patterns with average highs of 93.6°F (34.2°C) and 92.8°F (33.8°C), respectively, and lows around 73.2°F (22.9°C). Those looking for the most daily sunshine hours would find it during the summer months, with up to 11 hours in July.

Autumn weather in Oklahoma City

Into fall, the city starts cooling down. September sits with an average high of 84.6°F (29.2°C) and low of 65.5°F (18.6°C), but by November these drop to a high of 59.5°F (15.3°C) and a low of 42.4°F (5.8°C). The average daily rainfall drops from 2.83" (72mm) in September to a low of 1.1" (28mm) in November. Correspondingly, the number of rainy days decreases from 13.6 in September to 6.5 in November.

Winter weather in Oklahoma City

The winter season brings the coldest temperatures to Oklahoma City. December sees an average high temperature of 49.1°F (9.5°C) and a low of 33.4°F (0.8°C). The temperature falls even further in January, with an average high of 48.6°F (9.2°C) and a low of 31.6°F (-0.2°C). Snowfall occurs, albeit limited, with an average of 1.26" (32mm) in January. Despite the cold temperatures, the sun shines for approximately 6 hours per day and cloudy coverage increases to 32% in December.

Weather in January

January in Oklahoma City, Oklahoma, USA traditionally ushers in the coldest part of the year, providing residents with cool to cold temperatures. The start of the year also brings a relatively low rate of rainfall, indicating dry and potentially frosty conditions. Weather in January »

Weather in February

As Oklahoma City transitions from January to February, the city experiences a slight increase both in temperatures and precipitation. With this, February bears resemblance to the preceding month, yet provides a hint of impending spring. Weather in February »

Weather in March

Weather in March signifies the advent of spring in Oklahoma City. As the city shakes off the winter chill, a palpable rise in both temperature and rainfall can be expected, building up to the stormy season that typically hits in late spring. Weather in March »

Weather in April

April amplifies the spring weather in Oklahoma City with further increase in temperature and precipitation. The month serves as a harbinger to the eminence of warmer weather and the city's stormy season. The city plays host to a variety of thunderstorms during this period, marked by increased levels of humidity. Weather in April »

Weather in May

May in Oklahoma City brings about an amalgamation of weather conditions - from higher temperatures to increased humidity and a marked rise in rainfall. Known as the month that records the highest average rainfall in the city, May showcases the height of the stormy season. Weather in May »

Weather in June

June sets the stage for summer in Oklahoma City with a surge in temperature, marking hot and humid conditions. This month also marks a dip in precipitation, giving way to typically sunny days and inviting outdoor excursions. June calls for comfortable seasonal clothing to cope with the sweltering heat. Weather in June »

Weather in July

July in Oklahoma City is generally considered the peak of summer, featuring high temperatures and significant solar radiation. With these conditions, spending time near water bodies or in air-conditioned environments becomes highly appealing to residents and tourists alike. Weather in July »

Weather in August

August maintains the summer temperature consistency in Oklahoma City, offering similar weather conditions to July. As the city enjoys the last month of summer, residents relish in the extended daylight hours offered, which is conducive for a wide variety of outdoor activities. Weather in August »

Weather in September

September acts as a transitional month between summer and fall in Oklahoma City. Gradual cooling begins and is accompanied by a decline in humidity, marking welcome relief from the summer heat. While the days are still long and predominantly sunny, the evenings begin to take on an autumnal chill. Weather in September »

Weather in October

October brings the fall season in full swing to Oklahoma City. Characterized by crisper air and breathtaking foliage, October offers a respite from the preceding months of heat. The city's climate during this month induces a sense of calm before the arrival of winter chills, making it one of the most pleasant months of the year. Weather in October »

Weather in November

November expedites the cooling process in Oklahoma City as the city enters the colder half of the year. This month witnesses a significant drop in temperature as compared to October, while becoming noticeably drier with decreased rainfall. Weather in November »

Weather in December

December wraps up the year in Oklahoma City, bringing with it low temperatures and an increase in snowfall. The shorter days and longer nights contribute to the city's winter wonderland aesthetics during the holiday season. Despite the cold, December brings a sense of warmth and joviality with the holiday fervor taking over the city. Weather in December »
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Frequently asked questions

What is the coldest month in Oklahoma City?

January proves to be the coldest month in Oklahoma City, Oklahoma, recording an average maximum temperature of 48.6°F (9.2°C) and a minimum temperature of 31.6°F (-0.2°C).

How much does it rain in Oklahoma City?

Throughout the year, in Oklahoma City, there are 121 rainfall days, and 24.96" (634mm) of precipitation is accumulated.

When does it snow in Oklahoma City?

Months with snowfall are January through April, November and December.

How many days does it snow in Oklahoma City?

Throughout the year, in Oklahoma City, there are 8.1 snowfall days, and 3.54" (90mm) of snow is accumulated.

What is the snowiest month in Oklahoma City?

The month with the most snowfall in Oklahoma City is February, when snow falls for 3 days and typically aggregates up to 1.26" (32mm) of snow.

When is Daylight Saving Time (DST) in Oklahoma City?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the most humid month in Oklahoma City?

The most humid month in Oklahoma City is May, with an average relative humidity of 73%.

What is the wettest month in Oklahoma City?

The month with the most rainfall in Oklahoma City, Oklahoma, is May, when the rain falls for 14.5 days and typically aggregates up to 4.09" (104mm) of precipitation.

When it does not snow in Oklahoma City?

May through October are months without snowfall.

When are the longest days in Oklahoma City?

June has the longest days of the year in Oklahoma City, with an average of 14h and 30min of daylight.

What are the months with the highest UV index in Oklahoma City?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What time of the year is the hottest in Oklahoma City?

July temperatures in Oklahoma City tend to peak at an average high of 93.6°F (34.2°C) and dip to a low of 73.2°F (22.9°C).

What is the month with the most sunshine in Oklahoma City?

July and August, with an average of 11h of sunshine, are months with the most sunshine in Oklahoma City.

What is the least humid month in Oklahoma City?

August is the least humid month, with an average relative humidity of 60%.

What is the driest month in Oklahoma City?

The month with the least rainfall in Oklahoma City is December, when the rain falls for 6.1 days and typically collects 0.91" (23mm) of precipitation.

What is the month with the shortest days in Oklahoma City?

With an average of 9h and 48min of daylight, December has the shortest days of the year in Oklahoma City.

What is the month with the least sunshine in Oklahoma City?

The month with the least sunshine is December, with an average of 6h of sunshine.

What is the month with the lowest UV index in Oklahoma City?

With an average maximum UV index of 2, December is the month with the lowest UV index in Oklahoma City, Oklahoma.

Average temperature
Oklahoma City, OK

Average temperature - Oklahoma City, OK

The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (48.6°F).

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

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Average pressure
Oklahoma City, OK

Average pressure - Oklahoma City, OK

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed
Oklahoma City, OK

Average wind speed - Oklahoma City, OK

The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

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Average rainfall
Oklahoma City, OK

Average rainfall - Oklahoma City, OK

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.91").

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Average rainfall days
Oklahoma City, OK

Average rainfall days - Oklahoma City, OK

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall
Oklahoma City, OK

Average snowfall - Oklahoma City, OK

The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Oklahoma City, OK

Average snowfall days - Oklahoma City, OK

The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Oklahoma City, OK

Average daylight / Average sunshine - Oklahoma City, OK

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

The months with the most sunshine are July and August (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days
Oklahoma City, OK

Average sunshine days - Oklahoma City, OK

The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (13.9 days).

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Average visibility
Oklahoma City, OK

Average visibility - Oklahoma City, OK

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Oklahoma City, Oklahoma, USA

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