What is the hottest month in Allouez?

July is the warmest month in Allouez, with an average high of 81.0°F.

What is the coldest month in Allouez?

January is the coldest month in Allouez, with an average low of 11.1°F.

What month does Allouez get the most rain?

June is typically the wettest month in Allouez, with about 4.10 inches of precipitation.

What plant hardiness zone is Allouez in?

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

Has the climate in Allouez changed recently?

14.8% of Allouez'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.

Allouez, WI

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

Dfb Warm-summer humid continental climate 6b USDA hardiness Zone 6b

Year-round temperatures (°F)

Avg high Avg low

Climate summary

Allouez has an annual average temperature of 45.7°F with about 31.6 inches of precipitation per year and 55.6 inches of snow. The warmest month is July (average high 81.0°F), and the coldest is January (average low 11.1°F). June is typically the wettest month (4.10 in) and February the driest (1.20 in). Snow typically falls from October through April.

Pleasant months

3 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

52.2°F

warmest to coldest month

Heating need

7,269

HDD/yr

Cooling need

315

CDD/yr

Best time to visit Allouez

Full guide →

Climate change signal

All-time records →

54 of 366 (14.8%) of Allouez'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		1
1890s		37
1900s		13
1910s		24
1920s		20
1930s		49
1940s		35
1950s		23
1960s		13
1970s		15
1980s		17
1990s		23
2000s		26
2010s		28
2020s		42

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	25.5°F	11.1°F	18.3°F	1.39 in	14.3 in	11
February	29.0°F	13.2°F	21.1°F	1.20 in	12.0 in	9
March	40.4°F	23.9°F	32.1°F	1.96 in	8.1 in	10
April	53.8°F	34.8°F	44.3°F	3.00 in	4.7 in	12
May	67.1°F	46.0°F	56.5°F	3.35 in	—	12
June	76.6°F	56.2°F	66.4°F	4.10 in	—	11
July	81.0°F	60.1°F	70.5°F	3.62 in	—	11
August	78.9°F	58.2°F	68.6°F	3.39 in	—	10
September	71.7°F	50.2°F	61.0°F	3.20 in	—	10
October	58.0°F	39.5°F	48.7°F	2.67 in	0.3 in	10
November	43.5°F	28.9°F	36.2°F	1.98 in	3.1 in	10
December	31.1°F	18.0°F	24.5°F	1.75 in	13.1 in	11