Prince George's County Climate

Prince George's County, Maryland

JanFebMarAprMayJunJulAugSepOctNovDec56.2°AVG °F

Avg Annual Temp

56.2°F

Annual Precip

45.8"

Annual Snowfall

15.8"

Extreme Heat Days

34.88

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.1"
2.7"
4.0"
3.5"
4.3"
4.4"
4.5"
4.0"
4.5"
4.1"
3.2"
3.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring44°64°11.7"Summer73°78°12.9"Fall47°70°11.8"Winter34°39°9.4"20°40°60°80°100°

National Comparison

Warmer than 56% of US counties
Wetter than 59% of US counties
More seasonal variation than 49% of US counties

Climate Profile

About Prince George's County Weather

Humid Subtropical Conditions

The 56.2°F average temperature puts Prince George's County well above the national median. Annual precipitation remains high at 45.8 inches.

Warmer than the State Average

This county is warmer than the Maryland state average of 55.9°F. Its precipitation levels align almost perfectly with the statewide average of 45.7 inches.

Hotter Summers than Montgomery

Prince George's faces 35 days of extreme heat annually, nearly twice the number seen in neighboring Montgomery County. It also sees about half the snowfall of its neighbor to the north.

Steamy Summers and Mild Winters

July heat averages 78.0°F, while January stays above freezing with a 34.2°F average. The county experiences 35 days per year where the temperature hits or exceeds 90°F.

Gear Up for Summer Humidity

Residents should focus on high-efficiency cooling and hydration during the long, hot summer. Snow tires are less of a priority here given the modest 15.9-inch annual snowfall.

Frequently Asked Questions

What is the average temperature in Prince George's County?
The average annual temperature in Prince George's County, MD is 56.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Prince George's County get?
Prince George's County receives an average of 45.8 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 Prince George's County?
Yes, Prince George's County receives an average of 15.8 inches of snowfall per year according to NOAA climate normals.
How hot does Prince George's County get in summer?
The average summer temperature (June-August) in Prince George's County is 75.9°F. The county experiences an average of 34.88 days per year above 90°F.
How cold are winters in Prince George's County?
The average winter temperature (December-February) in Prince George's County is 36.4°F. January, typically the coldest month, averages 34.2°F.

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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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