Dorchester, WI

Climate overview — based on NOAA 1991-2020 normals from MEDFORD, WI US.

Dfb Warm-summer humid continental climate 5b USDA hardiness Zone 5b

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

Dorchester has an annual average temperature of 41.8°F with about 34.2 inches of precipitation per year and 57 inches of snow. The warmest month is July (average high 78.8°F), and the coldest is January (average low 2.3°F). June is typically the wettest month (4.84 in) and January the driest (1.09 in). Snow typically falls from October through April.

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
56.6°F
warmest to coldest month
Heating need
8,487
Cooling need
126

Best time to visit Dorchester

Full guide →

Climate change signal

All-time records →

22 of 366 (6%) of Dorchester'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.

1880s
0
1890s
80
1900s
74
1910s
19
1920s
16
1930s
38
1940s
16
1950s
21
1960s
5
1970s
11
1980s
13
1990s
16
2000s
21
2010s
21
2020s
15

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 20.6°F 2.3°F 11.4°F 1.09 in 12.8 in 10
February 25.8°F 5.6°F 15.7°F 1.10 in 13.9 in 7
March 38.1°F 17.9°F 28.0°F 1.67 in 6.0 in 8
April 52.3°F 30.6°F 41.5°F 2.98 in 4.0 in 11
May 65.8°F 43.3°F 54.5°F 3.68 in 0.1 in 12
June 74.8°F 53.3°F 64.0°F 4.84 in 12
July 78.8°F 57.2°F 68.0°F 4.02 in 11
August 77.0°F 55.3°F 66.2°F 4.30 in 11
September 69.2°F 47.3°F 58.3°F 3.90 in 11
October 54.8°F 34.5°F 44.7°F 3.25 in 0.5 in 11
November 38.7°F 23.0°F 30.9°F 1.94 in 4.5 in 9
December 25.9°F 10.3°F 18.1°F 1.43 in 15.2 in 10

Climate twins of Dorchester

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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