Frederick, MD

Climate overview — based on NOAA 1991-2020 normals from FREDERICK POLICE BRKS, MD US.

Cfa Humid subtropical climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Frederick has an annual average temperature of 57°F with about 43.5 inches of precipitation per year. The warmest month is July (average high 88.6°F), and the coldest is January (average low 26.5°F). September is typically the wettest month (5.80 in) and January the driest (2.58 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
43.7°F
warmest to coldest month
Heating need
4,074
Cooling need
1,203

Best time to visit Frederick

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Frederick's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s
19
1900s
23
1910s
34
1920s
48
1930s
71
1940s
40
1950s
33
1960s
1
1970s
17
1980s
36
1990s
34
2000s
10

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 43.1°F 26.5°F 34.8°F 2.58 in 8
February 47.8°F 28.5°F 38.2°F 2.95 in 7
March 55.3°F 35.6°F 45.5°F 3.71 in 11
April 68.6°F 44.7°F 56.7°F 3.55 in 10
May 77.4°F 55.0°F 66.2°F 3.99 in 10
June 85.2°F 63.3°F 74.2°F 4.26 in 10
July 88.6°F 68.4°F 78.5°F 3.90 in 9
August 86.7°F 66.4°F 76.5°F 2.89 in 8
September 80.0°F 59.3°F 69.7°F 5.80 in 10
October 68.8°F 47.2°F 58.0°F 3.26 in 6
November 56.3°F 37.8°F 47.1°F 2.66 in 8
December 47.1°F 30.7°F 38.9°F 3.97 in 9

Climate twins of Frederick

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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