Port Huron, MI

Climate overview — based on NOAA 1991-2020 normals from PORT HURON, 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

Port Huron has an annual average temperature of 49.5°F with about 34.9 inches of precipitation per year and 35.5 inches of snow. The warmest month is July (average high 81.3°F), and the coldest is January (average low 19.9°F). June is typically the wettest month (3.62 in) and February the driest (2.06 in). Snow typically falls from November through April.

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
47.9°F
warmest to coldest month
Heating need
6,099
Cooling need
531

Best time to visit Port Huron

Full guide →

Climate change signal

All-time records →

42 of 366 (11.5%) of Port Huron'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
27
1940s
43
1950s
56
1960s
39
1970s
25
1980s
42
1990s
47
2000s
30
2010s
40
2020s
17

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 19.9°F 25.4°F 2.48 in 11.1 in 14
February 33.3°F 20.5°F 26.9°F 2.06 in 11.4 in 10
March 42.2°F 28.3°F 35.2°F 2.21 in 4.6 in 11
April 54.2°F 38.0°F 46.1°F 3.15 in 0.4 in 13
May 66.7°F 48.8°F 57.7°F 3.53 in 13
June 76.4°F 58.8°F 67.6°F 3.62 in 11
July 81.3°F 65.2°F 73.3°F 3.25 in 10
August 79.7°F 64.0°F 71.8°F 3.14 in 10
September 73.1°F 56.8°F 65.0°F 3.32 in 10
October 60.5°F 46.0°F 53.2°F 3.13 in 13
November 46.9°F 35.2°F 41.0°F 2.81 in 1.3 in 12
December 36.0°F 26.4°F 31.2°F 2.17 in 6.7 in 13

Climate twins of Port Huron

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

Compare Port Huron to another city