Dennison, MN

Climate overview — based on NOAA 1991-2020 normals from FARIBAULT, MN 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

Dennison has an annual average temperature of 44.5°F with about 35.5 inches of precipitation per year and 43.3 inches of snow. The warmest month is July (average high 82.0°F), and the coldest is January (average low 4.8°F). June is typically the wettest month (5.57 in) and January the driest (0.97 in). Snow typically falls from November through May.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
57.3°F
warmest to coldest month
Heating need
7,782
Cooling need
390

Best time to visit Dennison

Full guide →

Climate change signal

All-time records →

0 of 366 (0%) of Dennison'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
15
1900s
13
1910s
21
1920s
40
1930s
100
1940s
32
1950s
28
1960s
13
1970s
16
1980s
36
1990s
20
2000s
27
2010s
5
2020s
0

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 23.2°F 4.8°F 14.0°F 0.97 in 9.4 in 7
February 28.0°F 7.9°F 18.0°F 1.00 in 10.6 in 6
March 40.4°F 20.4°F 30.4°F 1.92 in 6.4 in 8
April 55.5°F 32.9°F 44.2°F 3.13 in 1.6 in 10
May 68.2°F 45.2°F 56.7°F 4.37 in 0.2 in 12
June 78.4°F 57.2°F 67.8°F 5.57 in 12
July 82.0°F 60.6°F 71.3°F 4.64 in 10
August 79.9°F 57.9°F 68.9°F 4.66 in 10
September 72.7°F 49.7°F 61.2°F 3.68 in 8
October 58.9°F 35.7°F 47.3°F 2.60 in 0.1 in 8
November 42.4°F 23.8°F 33.1°F 1.67 in 4.9 in 6
December 28.9°F 12.6°F 20.7°F 1.24 in 10.1 in 7

Climate twins of Dennison

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

Compare Dennison to another city