What is the hottest month in Swanville?

July is the warmest month in Swanville, with an average high of 78.7°F.

What is the coldest month in Swanville?

January is the coldest month in Swanville, with an average low of -0.9°F.

What month does Swanville get the most rain?

July is typically the wettest month in Swanville, with about 4.64 inches of precipitation.

What plant hardiness zone is Swanville in?

Swanville is approximately in USDA plant hardiness Zone 5a, based on the average annual extreme minimum temperature.

Has the climate in Swanville changed recently?

10.7% of Swanville's all-time daily heat records were set in the last decade (since 2015), compared to roughly 5% if records were evenly distributed over time.

Swanville, MN

Climate overview — based on NOAA 1991-2020 normals from LONG PRAIRIE, MN US.

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

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Swanville has an annual average temperature of 40.1°F with about 31 inches of precipitation per year and 54 inches of snow. The warmest month is July (average high 78.7°F), and the coldest is January (average low -0.9°F). July is typically the wettest month (4.64 in) and February the driest (0.92 in). Snow typically falls from October through May.

Pleasant months

3 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

59.3°F

warmest to coldest month

Heating need

9,057

HDD/yr

Cooling need

108

CDD/yr

Best time to visit Swanville

Full guide →

Climate change signal

All-time records →

39 of 366 (10.7%) of Swanville'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		18
1900s		35
1910s		44
1930s		11
1940s		46
1950s		15
1960s		26
1970s		19
1980s		50
1990s		29
2000s		24
2010s		21
2020s		28

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	17.9°F	-0.9°F	8.5°F	0.98 in	9.7 in	9
February	23.0°F	2.6°F	12.8°F	0.92 in	9.0 in	7
March	35.8°F	15.4°F	25.6°F	1.54 in	8.6 in	8
April	51.2°F	28.3°F	39.8°F	2.73 in	6.1 in	10
May	64.5°F	41.4°F	52.9°F	3.47 in	0.2 in	12
June	74.5°F	52.9°F	63.7°F	4.58 in	—	13
July	78.7°F	56.9°F	67.8°F	4.64 in	—	12
August	77.0°F	54.7°F	65.8°F	3.37 in	—	11
September	68.3°F	46.3°F	57.3°F	3.29 in	—	11
October	53.8°F	33.6°F	43.7°F	2.92 in	1.8 in	11
November	37.1°F	20.0°F	28.6°F	1.46 in	7.1 in	8
December	23.2°F	7.2°F	15.2°F	1.13 in	11.5 in	9