Canadian County Climate
Canadian County, Oklahoma
Avg Annual Temp
59.1°F
Annual Precip
34.8"
Annual Snowfall
4.5"
Extreme Heat Days
75.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Canadian County Weather
A central Oklahoma climate overview
Canadian County maintains an annual average temperature of 59.1°F, significantly warmer than the national median of approximately 54°F. This humid subtropical climate experiences a mix of southern heat and Great Plains variability throughout the year.
Cooler than the state average
The county's average temperature of 59.1°F sits below the Oklahoma state average of 60.4°F. It also receives 34.8 inches of annual precipitation, slightly trailing the state-wide average of 37.2 inches.
Consistency across the metro area
Compared to neighboring Cleveland County at 60.7°F, Canadian County offers a slightly milder profile. Both counties share the common Oklahoma characteristic of frequent weather shifts and moderate annual rainfall.
Harsh summers and light winters
Residents face 75 extreme heat days annually where temperatures top 90°F, concentrated during the 79.6°F summer average. Winter remains manageable with a 38.6°F average and only 4.5 inches of typical snowfall.
Prepare for high-heat cycles
High-efficiency HVAC systems are essential here to combat the 10 weeks of extreme heat each year. Homeowners should also maintain seals against winter drafts given the cold 36.9°F January lows.
Frequently Asked Questions
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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.