Broken Arrow (OK) Weather & Climate: Best Time to Visit

In Broken Arrow, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 34°C (93°F) in July to a chilly 10°C (50°F) in January.

Nighttime temperatures range from 23°C (73°F) in July to -3°C (27°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Broken Arrow experiences significant rain/snowfall throughout the year, averaging 1034 mm (41 in) of precipitation annually. The seasons in Broken Arrow bring significant changes in precipitation. The wettest month, May, receives high rainfall, with an average of 158 mm (6.2 in) of precipitation. This rainfall is distributed across 12 rainy days.

In contrast, the driest month, January, experiences much less rainfall, totaling 28 mm (1.1 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Broken Arrow Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Broken Arrow, summer days are longer and more sunny, with daily sunshine hours peaking at 11.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.4 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Broken Arrow.

The city experiences its highest humidity in September, reaching 70%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year