What is the hottest month in Randolph?

July is the warmest month in Randolph, with an average high of 82.0°F.

What is the coldest month in Randolph?

January is the coldest month in Randolph, with an average low of 7.8°F.

What month does Randolph get the most rain?

June is typically the wettest month in Randolph, with about 4.89 inches of precipitation.

What plant hardiness zone is Randolph in?

Randolph is approximately in USDA plant hardiness Zone 6a, based on the average annual extreme minimum temperature.

Randolph, MN

Climate overview — based on NOAA 1991-2020 normals from FARMINGTON 3 NW, MN US.

Dfa Hot-summer humid continental climate 6a USDA hardiness Zone 6a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Randolph has an annual average temperature of 45.7°F with about 32.3 inches of precipitation per year and 41 inches of snow. The warmest month is July (average high 82.0°F), and the coldest is January (average low 7.8°F). June is typically the wettest month (4.89 in) and February the driest (0.81 in). Snow typically falls from October through April.

Pleasant months

3 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

56.9°F

warmest to coldest month

Heating need

7,398

HDD/yr

Cooling need

456

CDD/yr

Best time to visit Randolph

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Climate change signal

All-time records →

3 of 366 (0.8%) of Randolph'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		23
1900s		10
1910s		55
1920s		24
1930s		87
1940s		32
1950s		20
1960s		17
1970s		13
1980s		34
1990s		22
2000s		23
2010s		3
2020s		3

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	22.9°F	7.8°F	15.4°F	1.05 in	10.5 in	6
February	28.1°F	11.8°F	19.9°F	0.81 in	6.4 in	5
March	41.1°F	24.0°F	32.5°F	1.66 in	8.0 in	6
April	56.2°F	36.3°F	46.3°F	2.72 in	1.8 in	8
May	68.6°F	48.2°F	58.4°F	3.93 in	—	11
June	78.1°F	58.5°F	68.3°F	4.89 in	—	11
July	82.0°F	62.6°F	72.3°F	4.24 in	—	10
August	79.0°F	60.1°F	69.6°F	4.42 in	—	9
September	72.0°F	52.3°F	62.2°F	3.20 in	—	8
October	57.9°F	39.4°F	48.6°F	2.75 in	0.3 in	7
November	41.6°F	26.5°F	34.0°F	1.64 in	7.0 in	6
December	27.7°F	14.4°F	21.1°F	1.01 in	7.0 in	6