Oklahoma climate

World Climates covers 4 places in Oklahoma. By annual mean temperature, the warmest is Norman (16 °C61 °F) and the coolest is Broken Arrow (15 °C60 °F). The wettest is Broken Arrow with 1,114 mm44 in of precipitation per year, the driest Oklahoma City with 878 mm35 in.

The most common climate types (Köppen classification computed from these averages) are humid subtropical (Cfa, 4 places).

The highest monthly average high is in Norman (35 °C95 °F in July); the lowest monthly average low is in Broken Arrow (−3 °C26 °F in January).

Across the places in Oklahoma, the months that most often rank as the most comfortable are April, September and October (4, 2 and 4 of 4 places respectively).

Temperature and rainfall across Oklahoma

Annual mean temperatures in Oklahoma range from 15 °C60 °F to 16 °C61 °F. The typical place (the median of all 4) has a year average of 16 °C61 °F. Annual precipitation ranges from 878 mm35 in to 1,114 mm44 in. The median place receives about 953 mm38 in in an average year.

In 4 places of 4, the coldest month has an average low below 0 °C (32 °F). In 4 places, the warmest month has an average high above 30 °C (86 °F). No place here gets less than 250 mm (10 in) of precipitation a year. None gets more than 2,000 mm (79 in) a year.

Averaged over all 4 places, July is the warmest month, with a mean of 29 °C84 °F. January is the coldest, with 3 °C37 °F. The wettest month on average is May (141 mm5.6 in). The driest is January (42 mm1.6 in). Single places can differ a lot from this average, so check the page of each city.

The table below lists the places sorted by population. The largest ones covered here are Oklahoma City, Tulsa and Norman. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.

Climate of each place in Oklahoma

Oklahoma City has a humid subtropical climate (Köppen Cfa). Its year average is 16 °C61 °F. The warmest month is July, with an average high of 35 °C94 °F. The coldest is January, with an average low of −3 °C26 °F. About 878 mm35 in of precipitation falls in a year. May is the wettest month and January the driest. By our comfort score, the best months to visit are April and September and October.

Tulsa has a humid subtropical climate (Köppen Cfa). Its year average is 16 °C61 °F. The warmest month is July, with an average high of 35 °C95 °F. The coldest is January, with an average low of −3 °C27 °F. About 1,008 mm40 in of precipitation falls in a year. May is the wettest month and January the driest. By our comfort score, the best months to visit are April and October.

Norman has a humid subtropical climate (Köppen Cfa). Its year average is 16 °C61 °F. The warmest month is July, with an average high of 35 °C95 °F. The coldest is January, with an average low of −3 °C27 °F. About 898 mm35 in of precipitation falls in a year. May is the wettest month and January the driest. By our comfort score, the best months to visit are April and October.

Broken Arrow has a humid subtropical climate (Köppen Cfa). Its year average is 15 °C60 °F. The warmest month is July, with an average high of 34 °C93 °F. The coldest is January, with an average low of −3 °C26 °F. About 1,114 mm44 in of precipitation falls in a year. May is the wettest month and January the driest. By our comfort score, the best months to visit are April and September and October.

Frequently asked questions

Which is the warmest place in Oklahoma?

By annual mean temperature, the warmest place in Oklahoma is Norman at 16 °C61 °F. The coolest is Broken Arrow at 15 °C60 °F.

Where does it rain the most in Oklahoma?

Broken Arrow gets the most precipitation, 1,114 mm44 in in an average year. The driest place is Oklahoma City with 878 mm35 in.

How many places in Oklahoma does this site cover?

World Climates has climate data for 4 places in Oklahoma. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Oklahoma?

It depends on the place. Across Oklahoma, the months that most often rank as the most comfortable are April, September and October. Check the page of each city for its own best months.