What is the hottest month in Superior?

July is the warmest month in Superior, with an average high of 88.7°F.

What is the coldest month in Superior?

January is the coldest month in Superior, with an average low of 13.7°F.

What month does Superior get the most rain?

May is typically the wettest month in Superior, with about 4.51 inches of precipitation.

What plant hardiness zone is Superior in?

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

Has the climate in Superior changed recently?

21% of Superior'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.

Superior, NE

Climate overview — based on NOAA 1991-2020 normals from SUPERIOR, NE US.

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

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Superior has an annual average temperature of 51.3°F with about 27.9 inches of precipitation per year and 21.3 inches of snow. The warmest month is July (average high 88.7°F), and the coldest is January (average low 13.7°F). May is typically the wettest month (4.51 in) and January the driest (0.70 in). Snow typically falls from October through April.

Pleasant months

1 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

51.5°F

warmest to coldest month

Heating need

5,802

HDD/yr

Cooling need

885

CDD/yr

Best time to visit Superior

Full guide →

Climate change signal

All-time records →

77 of 366 (21%) of Superior'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		0
1900s		25
1910s		14
1920s		23
1930s		34
1940s		0
1950s		0
1960s		13
1970s		21
1980s		46
1990s		48
2000s		41
2010s		44
2020s		57

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	36.7°F	13.7°F	25.2°F	0.70 in	5.5 in	5
February	41.5°F	17.1°F	29.3°F	0.82 in	6.0 in	5
March	53.4°F	26.5°F	40.0°F	1.55 in	2.9 in	7
April	64.2°F	36.6°F	50.4°F	2.34 in	0.7 in	9
May	74.1°F	49.3°F	61.7°F	4.51 in	—	11
June	84.7°F	60.1°F	72.4°F	4.01 in	—	10
July	88.7°F	64.6°F	76.7°F	4.06 in	—	9
August	86.4°F	62.0°F	74.2°F	3.36 in	—	9
September	79.8°F	52.7°F	66.2°F	2.27 in	—	6
October	66.6°F	39.1°F	52.9°F	1.96 in	0.4 in	7
November	52.0°F	25.9°F	39.0°F	1.29 in	1.8 in	5
December	39.4°F	16.7°F	28.1°F	1.02 in	4.0 in	5