La Plata, MD

Climate overview — based on NOAA 1991-2020 normals from MECHANICSVILLE 5 NE, MD US.

Cfa Humid subtropical 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

La Plata has an annual average temperature of 55.2°F with about 48.1 inches of precipitation per year and 15.1 inches of snow. The warmest month is July (average high 85.3°F), and the coldest is January (average low 24.8°F). September is typically the wettest month (4.87 in) and February the driest (2.97 in). Snow typically falls from December through March.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
41.1°F
warmest to coldest month
Heating need
4,380
Cooling need
834

Best time to visit La Plata

Full guide →

Climate change signal

All-time records →

50 of 366 (13.7%) of La Plata'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.

1920s
0
1930s
0
1970s
38
1980s
102
1990s
82
2000s
69
2010s
50
2020s
25

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 44.2°F 24.8°F 34.5°F 3.29 in 5.0 in 10
February 47.6°F 26.2°F 36.9°F 2.97 in 6.2 in 9
March 55.9°F 32.6°F 44.2°F 4.24 in 1.8 in 10
April 67.3°F 42.5°F 54.9°F 3.31 in 0.1 in 10
May 73.7°F 52.0°F 62.9°F 4.32 in 11
June 81.5°F 60.9°F 71.2°F 4.19 in 10
July 85.3°F 65.9°F 75.6°F 4.57 in 10
August 83.3°F 64.2°F 73.8°F 4.84 in 9
September 76.7°F 57.7°F 67.2°F 4.87 in 9
October 66.1°F 45.7°F 55.9°F 4.18 in 8
November 57.3°F 35.5°F 46.4°F 3.34 in 8
December 48.1°F 28.6°F 38.3°F 3.99 in 2.0 in 9

Climate twins of La Plata

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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