Muskegon climate — normals and trends
Muskegon (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 938 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (22.0 °C on average) and the coldest is January (-4.2 °C). Rainfall peaks in August.
Muskegon averages 113 frost days, 4 hot days (≥ 30 °C) and 132 rainy days per year.
Muskegon has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 131 to 95 per year over the period.
The hottest day of the period reached 35.4 °C (on 6 July 2012) and the coldest -26.9 °C (on 3 February 1996).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
MuskegonMichigan
- coords
- 43.23°, -86.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
12.3°C
Average daily low
5.4°C
Annual rainfall
938mm
Sunshine / day
8.6h
Mean relative humidity
76%
Average peak wind
20.0km/h
Seasonal range
26.2°C
Frost days (< 0 °C)
113 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
105.6 cm
Average feels-like high
10.2 °C
Average feels-like low
2.4 °C
Average peak gust
40.2 km/h
Tropical nights (≥ 20 °C)
22 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.41 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
35.4 °C
6 July 2012
Coldest day
-26.9 °C
3 February 1996
Wettest day
108 mm
24 August 1985
Windiest day
64.4 km/h
6 April 1979
Strongest gust
117.4 km/h
10 November 1998
Hottest feels-like
41.1 °C
6 July 2012
Coldest feels-like
-32.3 °C
16 January 1982
Snowiest day
27.2 cm
26 January 1978
Sunniest day
14.9 h
18 June 2022
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -1.6 °C | -0.1 °C | 42 mm | -16 mm |
| Feb | -1.4 °C | -0.4 °C | 32 mm | -12 mm |
| Mar | 8.3 °C | +4.4 °C | 77 mm | +12 mm |
| Apr | 12.0 °C | +1.3 °C | 83 mm | -7 mm |
| May | 17.3 °C | +0.2 °C | 83 mm | -8 mm |
| Jun | 24.6 °C | +1.6 °C | 100 mm | +13 mm |
| Jul | 26.7 °C | +1.0 °C | 79 mm | -14 mm |
| Aug | 25.5 °C | +0.6 °C | 52 mm | -44 mm |
| Sep | 23.2 °C | +2.3 °C | 32 mm | -56 mm |
| Oct | 16.8 °C | +2.2 °C | 92 mm | +8 mm |
| Nov | 7.6 °C | +0.2 °C | 51 mm | -28 mm |
| Dec | 1.0 °C | -0.6 °C | 79 mm | +14 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Muskegon?
Muskegon has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 938 mm of precipitation per year.
What is the hottest day ever recorded in Muskegon?
The hottest day measured in Muskegon between 1940 and 2025 was 6 July 2012, reaching 35.4 °C.
What is the coldest day in Muskegon?
The coldest day measured in Muskegon between 1940 and 2025 was 3 February 1996, at -26.9 °C.
Does it snow in Muskegon?
Yes. Muskegon gets on average 105.6 cm of snow per year and has around 113 frost days.
Has the climate of Muskegon warmed?
Yes: Muskegon warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Muskegon?
The wettest day measured in Muskegon between 1940 and 2025 was 24 August 1985, with 108 mm of rain in 24 hours.
What was the windiest day in Muskegon?
The windiest day measured in Muskegon between 1940 and 2025 was 6 April 1979, with winds reaching 64.4 km/h.
What is the warmest month in Muskegon?
The warmest month in Muskegon is July (22.0 °C on average); the coldest is January (-4.2 °C).
How much does it rain in Muskegon?
Muskegon receives on average 938 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Muskegon?
Muskegon gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in Muskegon?
The heaviest 24-hour snowfall measured in Muskegon between 1940 and 2025 was 26 January 1978, with 27.2 cm.
Are there tropical nights in Muskegon?
Yes: Muskegon has on average 22 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Muskegon?
In Muskegon, between 1940 and 2025, the highest apparent temperature reached 41.1 °C on 6 July 2012, and the lowest was -32.3 °C on 16 January 1982.
Compare Muskegon with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Muskegon