Westminster, MD

Climate overview — based on NOAA 1991-2020 normals from HANOVER 4 SW, PA US.

Dfa Hot-summer humid continental climate 7b USDA hardiness Zone 7b

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

Westminster has an annual average temperature of 52.6°F with about 44.1 inches of precipitation per year and 28.2 inches of snow. The warmest month is July (average high 85.3°F), and the coldest is January (average low 21.2°F). September is typically the wettest month (4.83 in) and February the driest (2.59 in). Snow typically falls from November through March.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
44.4°F
warmest to coldest month
Heating need
5,172
Cooling need
699

Best time to visit Westminster

Full guide →

Climate change signal

All-time records →

80 of 366 (21.9%) of Westminster'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.

1990s
90
2000s
125
2010s
131
2020s
20

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 39.3°F 21.2°F 30.2°F 3.02 in 8.0 in 10
February 42.2°F 22.6°F 32.4°F 2.59 in 9.7 in 9
March 50.4°F 29.9°F 40.1°F 3.71 in 5.2 in 11
April 62.8°F 39.8°F 51.3°F 3.73 in 0.1 in 13
May 72.3°F 50.1°F 61.2°F 3.88 in 14
June 80.9°F 59.6°F 70.3°F 3.68 in 12
July 85.3°F 63.8°F 74.6°F 4.31 in 11
August 83.6°F 61.9°F 72.8°F 3.86 in 10
September 76.9°F 54.4°F 65.6°F 4.83 in 10
October 65.6°F 42.7°F 54.1°F 3.86 in 0.1 in 10
November 54.1°F 33.1°F 43.6°F 3.13 in 0.6 in 9
December 43.8°F 25.6°F 34.7°F 3.51 in 4.5 in 10

Climate twins of Westminster

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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