St. Joseph, MI

Climate overview — based on NOAA 1991-2020 normals from BENTON HARBOR AP, MI US.

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

Year-round temperatures (°F)

10° 30° 50° 70° 90° J F M A M J J A S O N D
Avg high Avg low

Climate summary

St. Joseph has an annual average temperature of 50.1°F with about 38.2 inches of precipitation per year and 77.7 inches of snow. The warmest month is July (average high 83.1°F), and the coldest is January (average low 19.5°F). October is typically the wettest month (4.40 in) and February the driest (1.89 in). Snow typically falls from October through April.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
46.3°F
warmest to coldest month
Heating need
5,856
Cooling need
498

Best time to visit St. Joseph

Full guide →

Climate change signal

All-time records →

48 of 366 (13.1%) of St. Joseph'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
25
1940s
31
1950s
42
1960s
25
1970s
22
1980s
40
1990s
27
2000s
62
2010s
62
2020s
30

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 33.2°F 19.5°F 26.3°F 2.46 in 29.5 in 14
February 35.7°F 21.2°F 28.5°F 1.89 in 18.8 in 10
March 46.8°F 27.7°F 37.3°F 2.26 in 7.7 in 10
April 59.3°F 36.9°F 48.1°F 3.76 in 1.1 in 12
May 70.1°F 47.0°F 58.5°F 3.85 in 11
June 79.5°F 56.6°F 68.1°F 3.60 in 10
July 83.1°F 62.1°F 72.6°F 3.30 in 8
August 81.4°F 60.4°F 70.9°F 3.90 in 9
September 75.5°F 53.6°F 64.5°F 3.40 in 9
October 63.1°F 43.8°F 53.4°F 4.40 in 0.2 in 11
November 49.4°F 33.8°F 41.6°F 3.01 in 3.8 in 10
December 37.8°F 25.3°F 31.6°F 2.33 in 16.6 in 13

Climate twins of St. Joseph

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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