What is the hottest month in St. Francis?

July is the warmest month in St. Francis, with an average high of 81.9°F.

What is the coldest month in St. Francis?

January is the coldest month in St. Francis, with an average low of 17.2°F.

What month does St. Francis get the most rain?

June is typically the wettest month in St. Francis, with about 4.38 inches of precipitation.

What plant hardiness zone is St. Francis in?

St. Francis is approximately in USDA plant hardiness Zone 7a, based on the average annual extreme minimum temperature.

Has the climate in St. Francis changed recently?

17.5% of St. Francis'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.

St. Francis, WI

Climate overview — based on NOAA 1991-2020 normals from MILWAUKEE MITCHELL AP, WI US.

Dfa Hot-summer humid continental climate 7a USDA hardiness Zone 7a

Year-round temperatures (°F)

Avg high Avg low

Climate summary

St. Francis has an annual average temperature of 49.3°F with about 34.6 inches of precipitation per year and 48.7 inches of snow. The warmest month is July (average high 81.9°F), and the coldest is January (average low 17.2°F). June is typically the wettest month (4.38 in) and February the driest (1.69 in). Snow typically falls from October through April.

Pleasant months

2 / 12

avg high 65–80°F, low ≥ 50°F

Annual swing

49.3°F

warmest to coldest month

Heating need

6,186

HDD/yr

Cooling need

546

CDD/yr

Best time to visit St. Francis

Full guide →

Climate change signal

All-time records →

64 of 366 (17.5%) of St. Francis'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.

1930s		13
1940s		46
1950s		46
1960s		30
1970s		26
1980s		41
1990s		44
2000s		32
2010s		54
2020s		34

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	30.9°F	17.2°F	24.0°F	1.79 in	14.9 in	11
February	34.2°F	20.0°F	27.1°F	1.69 in	11.8 in	10
March	44.2°F	28.7°F	36.4°F	2.20 in	6.7 in	11
April	54.7°F	37.8°F	46.3°F	3.86 in	2.1 in	12
May	66.5°F	47.8°F	57.1°F	3.54 in	—	12
June	76.8°F	58.4°F	67.6°F	4.38 in	—	11
July	81.9°F	64.7°F	73.3°F	3.40 in	—	10
August	80.3°F	64.2°F	72.3°F	3.65 in	—	10
September	73.5°F	56.4°F	65.0°F	3.16 in	—	9
October	61.3°F	44.7°F	53.0°F	2.78 in	0.3 in	10
November	47.8°F	33.1°F	40.4°F	2.24 in	2.5 in	10
December	36.1°F	23.0°F	29.5°F	1.88 in	10.4 in	10