Climate in Oklahoma

Oklahoma has a humid subtropical climate, with hot summers and cool winters. Summers in Oklahoma are generally hot and humid, with average high temperatures reaching into the 90s Fahrenheit (32-38 Celsius). Winters are milder with average lows dipping to around 40 degrees Fahrenheit (4-7 Celsius). Spring is often windy, while autumn can be stormy. Precipitation is plentiful throughout the year, though it varies in amount and timing from one region of the state to another. The western part of the state tends to get more rain than other areas. Tornadoes are common during spring and early summer months.

Oklahoma, Oklahoma gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Oklahoma averages 6 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 234 sunny days per year in Oklahoma. The US average is 205 sunny days.

Oklahoma gets some kind of precipitation, on average, 75 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

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Weather Highlights

Summer High: the July high is around 93 degrees
Winter Low: the January low is 26
Rain: averages 39 inches of rain a year
Snow: averages 6 inches of snow a year

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BESTPLACES COMFORT INDEX

Oklahoma's annual BestPlaces Comfort Index of 7.3 (10=best) indicates it is more comfortable than most states in the United States.

May, October and September are the most pleasant months in the state of Oklahoma, while July and August are the least comfortable months.

August is the hottest month for Oklahoma with an average high temperature of 93.3°, which ranks it as one of the hottest states. In Oklahoma, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oklahoma are May, October and April.

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Oklahoma has 67.3 days annually when the high temperature is over 90°, which is one of the hottest states in the U.S.

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January has the coldest nighttime temperatures for Oklahoma with an average of 25.9°. This is warmer than most of the U.S. states.

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Oklahoma has 81.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most states in the U.S.

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Oklahoma averages 0.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most states in the U.S.

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The humidity can be uncomfortably heavy or close in the state of Oklahoma during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in the state of Oklahoma.

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May is the wettest month in Oklahoma with 5.1 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Summer with 30% of yearly precipitation and 15% occurs in Spring, which is the driest season. Oklahoma's average annual rainfall of 38.9 inches indicates that it is about average compared to other states in the United States.

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May is the rainiest month in Oklahoma with 8.7 days of rain, and January is the driest month with only 4.7 rainy days. Oklahoma's annual average of 75.0 days with measurable rain is less rainy than most states in the United States. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 20% chance of a rainy day.

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With an average annual snowfall of 6.0 inches, Oklahoma is one of the least snowy states in the United States. January is the snowiest month in Oklahoma with 2.1 inches of snow, and 4 months of the year have significant snowfall.

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