Bryan County Climate

Bryan County, Oklahoma

JanFebMarAprMayJunJulAugSepOctNovDec62.9°AVG °F

Avg Annual Temp

62.9°F

Annual Precip

44.4"

Annual Snowfall

2.0"

Extreme Heat Days

82.4

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.5"
2.6"
4.0"
3.9"
5.4"
5.1"
3.3"
2.4"
3.8"
4.4"
3.5"
3.3"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring55°70°13.4"Summer79°83°10.8"Fall53°75°11.8"Winter42°46°8.4"20°40°60°80°100°

National Comparison

Warmer than 78% of US counties
Wetter than 55% of US counties
More seasonal variation than 35% of US counties

Climate Profile

About Bryan County Weather

A Subtropical Climate with High Heat

Bryan County is one of the warmer regions in the U.S., with an average annual temperature of 62.9°F. It also features high annual precipitation, receiving 44.4 inches of rain.

One of Oklahoma's Warmest Counties

At 62.9°F, Bryan County is significantly warmer than the Oklahoma state average of 60.4°F. It also receives about 7 inches more rainfall than the state average, marking it as a warm, wet outlier.

Milder Winters and Minimal Snowfall

Compared to northern Oklahoma, Bryan County's 2.0 inches of annual snowfall is very low. Its January average of 42.1°F is one of the highest in the state, signaling very short winter cold snaps.

Prolonged Summers and Warm Winters

Extreme heat is a staple here, with 82 days per year exceeding 90°F and a July average of 82.6°F. Winters are exceptionally mild for the region, with the coldest month, January, still averaging 42.1°F.

Optimize for Cooling and Rain

Residents should invest in top-tier air conditioning to handle 82 days of extreme heat and warm winter averages. With 44.4 inches of rain, keeping a sturdy umbrella and maintaining clear property drainage is essential.

Frequently Asked Questions

What is the average temperature in Bryan County?
The average annual temperature in Bryan County, OK is 62.9°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Bryan County get?
Bryan County receives an average of 44.4 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Bryan County?
Yes, Bryan County receives an average of 2.0 inches of snowfall per year according to NOAA climate normals.
How hot does Bryan County get in summer?
The average summer temperature (June-August) in Bryan County is 81.4°F. The county experiences an average of 82.4 days per year above 90°F.
How cold are winters in Bryan County?
The average winter temperature (December-February) in Bryan County is 44.1°F. January, typically the coldest month, averages 42.1°F.

Track your own weather in Bryan County

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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.

Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

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