Simpson County Climate
Simpson County, Kentucky
Avg Annual Temp
57.0°F
Annual Precip
53.9"
Annual Snowfall
—
Extreme Heat Days
44
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
DryWet
4.2"
4.2"
4.8"
5.3"
5.5"
4.8"
4.2"
4.1"
4.2"
4.1"
3.8"
4.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Seasonal Overview
National Comparison
Warmer than 61% of US counties
Wetter than 86% of US counties
More seasonal variation than 47% of US counties
Frequently Asked Questions
What is the average temperature in Simpson County?
The average annual temperature in Simpson County, KY is 57.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Simpson County get?
Simpson County receives an average of 53.9 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Simpson County get in summer?
The average summer temperature (June-August) in Simpson County is 75.9°F. The county experiences an average of 44 days per year above 90°F.
How cold are winters in Simpson County?
The average winter temperature (December-February) in Simpson County is 37.4°F. January, typically the coldest month, averages 35.1°F.
Track your own weather in Simpson 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.