Climate Insights for Oklahoma City
Oklahoma County, Oklahoma, United States
Climate Overview
The climate in Oklahoma City is temperate. The average annual temperature is 17°C and approximately 889 mm of precipitation falls per year. Oklahoma City receives a notable amount of rainfall throughout the year, including during its driest month. Oklahoma City is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -1°C. Light snow can occur between January and December.The climate in Oklahoma City is temperate. The average annual temperature is 62°F and approximately 35 in of precipitation falls per year. Oklahoma City receives a notable amount of rainfall throughout the year, including during its driest month. Oklahoma City is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 30°F. Light snow can occur between January and December.
Temperature
Temperatures in Oklahoma City vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 34°C and the mean temperature sits around 29°C. The coldest month is January, when overnight lows fall to -1°C and the daily average is 4°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.Oklahoma City has a wide annual temperature range, spanning 64°F from the coldest to warmest months. The warmest month is July, when average highs reach 94°F and the mean temperature sits around 83°F. The coldest month is January, when overnight lows fall to 30°F and the daily average is 38°F. On average, daily temperatures fluctuate by about 21°F between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 12°F shift in average temperatures.
Precipitation
Oklahoma City is a moderately rainy area, receiving approximately 889 mm of precipitation annually, which averages out to around 74 mm per month. The wettest month is April, averaging 139 mm of rainfall. May and June also tend to see above-average precipitation. The driest month is December, with just 37 mm. That's 102 mm less than April, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 17cm annually. January is the snowiest month with approximately 6cm.Oklahoma City is a moderately rainy area, receiving approximately 35 in of precipitation annually, which averages out to around 2.9 in per month. The wettest month is April, averaging 5.5 in of rainfall. May and June also tend to see above-average precipitation. The driest month is December, with just 1.5 in. That's 4 in less than April, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 7in annually. January is the snowiest month with approximately 2in.
Wind
Oklahoma City is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 16km/h in spring, 13km/h in summer, 14km/h in autumn.Oklahoma City is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is April, averaging 11mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 8mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 9mph in winter, 10mph in spring, 8mph in summer, 9mph in autumn.
Best Time to Visit
The best time to visit Oklahoma City is during September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 78 mm per month. By contrast, July can be uncomfortably hot with highs reaching 34°C, while January is the coldest period with lows dropping to -1°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Oklahoma City is during September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 70°F with modest rainfall averaging 3.1 in per month. By contrast, July can be uncomfortably hot with highs reaching 94°F, while January is the coldest period with lows dropping to 30°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Oklahoma City based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Oklahoma City based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.