Clay County Climate

Clay County, Minnesota

JanFebMarAprMayJunJulAugSepOctNovDec42.2°AVG °F

Avg Annual Temp

42.2°F

Annual Precip

25.4"

Annual Snowfall

46.8"

Extreme Heat Days

10.7

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.7"
0.7"
1.3"
1.5"
3.1"
4.5"
3.6"
2.9"
2.9"
2.3"
0.9"
0.9"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring27°57°5.9"Summer67°71°10.9"Fall29°60°6.1"Winter8°15°2.4"20°40°60°80°100°

National Comparison

Warmer than 5% of US counties
Wetter than 21% of US counties
More seasonal variation than 94% of US counties

Climate Profile

About Clay County Weather

A Cold Frontier Climate on the Plains

Clay County averages 42.2°F annually, placing it well below the national temperature median. This region is known for its wide-open landscape and exposure to Arctic air masses.

A Dry and Average Temperature Profile

Clay County’s 42.2°F average is nearly identical to the state average of 42.8°F. However, it is significantly drier than much of the state, receiving only 25.4 inches of precipitation compared to the 30.0-inch norm.

Drier and Sharper than Eastern Neighbors

Clay is notably drier than Chisago or Carlton, reflecting its position on the edge of the Red River Valley. It faces more extreme temperature fluctuations because it lacks the moderating influence of heavy forest cover or large lakes.

Intense Winter Chills and Bright Summers

January is very cold with an average of 8.3°F, while July heats up to 71.0°F. The county experiences 11 days of extreme heat over 90°F and 46.8 inches of annual snow.

Invest in Windbreaks and Cold-Weather Gear

The flat terrain makes wind protection essential for homes and livestock during the cold 8.3°F January stretches. With 11 extreme heat days and lower rainfall, residents should also plan for efficient lawn and garden irrigation.

Frequently Asked Questions

What is the average temperature in Clay County?
The average annual temperature in Clay County, MN is 42.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Clay County get?
Clay County receives an average of 25.4 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 Clay County?
Yes, Clay County receives an average of 46.8 inches of snowfall per year according to NOAA climate normals.
How hot does Clay County get in summer?
The average summer temperature (June-August) in Clay County is 69.1°F. The county experiences an average of 10.7 days per year above 90°F.
How cold are winters in Clay County?
The average winter temperature (December-February) in Clay County is 12.2°F. January, typically the coldest month, averages 8.3°F.

Track your own weather in Clay 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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