Michigan City climate — normals and trends
Michigan City (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 1,035 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 (23.5 °C on average) and the coldest is January (-3.7 °C). Rainfall peaks in April.
Michigan City averages 95 frost days, 6 hot days (≥ 30 °C) and 133 rainy days per year.
Michigan City has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 112 to 78 per year over the period.
The hottest day of the period reached 34.6 °C (on 30 July 1999) and the coldest -28.6 °C (on 19 January 1994).
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
Michigan CityIndiana
- coords
- 41.71°, -86.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
12.5°C
Average daily low
7.6°C
Annual rainfall
1,035mm
Sunshine / day
8.8h
Mean relative humidity
76%
Average peak wind
26.5km/h
Seasonal range
27.2°C
Frost days (< 0 °C)
95 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
87.0 cm
Average feels-like high
10.3 °C
Average feels-like low
4.0 °C
Average peak gust
40.4 km/h
Tropical nights (≥ 20 °C)
57 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.23 · 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
34.6 °C
30 July 1999
Coldest day
-28.6 °C
19 January 1994
Wettest day
84 mm
25 June 2021
Windiest day
66.5 km/h
25 November 1950
Strongest gust
108.4 km/h
26 November 1950
Hottest feels-like
42.6 °C
14 July 1995
Coldest feels-like
-36.6 °C
18 January 1994
Snowiest day
25.2 cm
26 January 1967
Sunniest day
14.7 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 | -1.0 °C | +0.1 °C | 48 mm | -25 mm |
| Feb | 0.2 °C | +0.7 °C | 33 mm | -26 mm |
| Mar | 8.0 °C | +4.3 °C | 91 mm | +6 mm |
| Apr | 10.9 °C | +1.4 °C | 90 mm | -12 mm |
| May | 14.0 °C | -2.5 °C | 105 mm | +7 mm |
| Jun | 22.8 °C | -0.5 °C | 92 mm | -1 mm |
| Jul | 26.5 °C | +0.5 °C | 152 mm | +64 mm |
| Aug | 24.4 °C | -1.0 °C | 79 mm | -6 mm |
| Sep | 22.0 °C | +0.3 °C | 29 mm | -56 mm |
| Oct | 17.2 °C | +1.9 °C | 103 mm | +11 mm |
| Nov | 8.7 °C | +0.6 °C | 80 mm | -13 mm |
| Dec | 1.9 °C | -0.3 °C | 92 mm | +9 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 Michigan City?
Michigan City has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 1,035 mm of precipitation per year.
What is the hottest day ever recorded in Michigan City?
The hottest day measured in Michigan City between 1940 and 2025 was 30 July 1999, reaching 34.6 °C.
What is the coldest day in Michigan City?
The coldest day measured in Michigan City between 1940 and 2025 was 19 January 1994, at -28.6 °C.
Does it snow in Michigan City?
Yes. Michigan City gets on average 87.0 cm of snow per year and has around 95 frost days.
Has the climate of Michigan City warmed?
Yes: Michigan City warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Michigan City?
The wettest day measured in Michigan City between 1940 and 2025 was 25 June 2021, with 84 mm of rain in 24 hours.
What was the windiest day in Michigan City?
The windiest day measured in Michigan City between 1940 and 2025 was 25 November 1950, with winds reaching 66.5 km/h.
What is the warmest month in Michigan City?
The warmest month in Michigan City is July (23.5 °C on average); the coldest is January (-3.7 °C).
How much does it rain in Michigan City?
Michigan City receives on average 1,035 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Michigan City?
Michigan City gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Michigan City?
The heaviest 24-hour snowfall measured in Michigan City between 1940 and 2025 was 26 January 1967, with 25.2 cm.
Are there tropical nights in Michigan City?
Yes: Michigan City has on average 57 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Michigan City?
In Michigan City, between 1940 and 2025, the highest apparent temperature reached 42.6 °C on 14 July 1995, and the lowest was -36.6 °C on 18 January 1994.
Compare Michigan City with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Michigan City