Inkster climate — normals and trends
Inkster (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 9.6 °C and it receives 883 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 (22.9 °C on average) and the coldest is January (-4.2 °C). Rainfall peaks in May.
Inkster averages 116 frost days, 18 hot days (≥ 30 °C) and 121 rainy days per year.
Inkster has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 131 to 101 per year over the period.
The hottest day of the period reached 39.2 °C (on 25 June 1988) and the coldest -27.9 °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
InksterMichigan
- coords
- 42.29°, -83.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.6°C
Average daily high
13.8°C
Average daily low
5.5°C
Annual rainfall
883mm
Sunshine / day
8.9h
Mean relative humidity
71%
Average peak wind
20.1km/h
Seasonal range
27.1°C
Frost days (< 0 °C)
116 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
73.9 cm
Average feels-like high
11.6 °C
Average feels-like low
2.4 °C
Average peak gust
38.1 km/h
Tropical nights (≥ 20 °C)
26 d/yr
Solar radiation
14.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
39.2 °C
25 June 1988
Coldest day
-27.9 °C
19 January 1994
Wettest day
68 mm
25 June 1968
Windiest day
57.1 km/h
15 March 1959
Strongest gust
106.2 km/h
11 November 1940
Hottest feels-like
44.1 °C
14 July 1995
Coldest feels-like
-34.7 °C
19 January 1994
Snowiest day
25.3 cm
1 December 1974
Sunniest day
15.0 h
4 June 1940
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 | -1.5 °C | -0.7 °C | 40 mm | -20 mm |
| Feb | 0.2 °C | -0.3 °C | 51 mm | -4 mm |
| Mar | 10.9 °C | +5.0 °C | 71 mm | -1 mm |
| Apr | 14.7 °C | +1.6 °C | 88 mm | -1 mm |
| May | 18.3 °C | -1.5 °C | 105 mm | +15 mm |
| Jun | 26.4 °C | +1.1 °C | 111 mm | +24 mm |
| Jul | 28.5 °C | +1.0 °C | 119 mm | +39 mm |
| Aug | 25.9 °C | -0.6 °C | 28 mm | -48 mm |
| Sep | 24.2 °C | +1.7 °C | 42 mm | -25 mm |
| Oct | 17.8 °C | +2.1 °C | 71 mm | +5 mm |
| Nov | 8.2 °C | 0.0 °C | 43 mm | -30 mm |
| Dec | 1.6 °C | -0.2 °C | 82 mm | +16 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 Inkster?
Inkster has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 9.6 °C and it receives 883 mm of precipitation per year.
What is the hottest day ever recorded in Inkster?
The hottest day measured in Inkster between 1940 and 2025 was 25 June 1988, reaching 39.2 °C.
What is the coldest day in Inkster?
The coldest day measured in Inkster between 1940 and 2025 was 19 January 1994, at -27.9 °C.
Does it snow in Inkster?
Yes. Inkster gets on average 73.9 cm of snow per year and has around 116 frost days.
Has the climate of Inkster warmed?
Yes: Inkster warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Inkster?
The wettest day measured in Inkster between 1940 and 2025 was 25 June 1968, with 68 mm of rain in 24 hours.
What was the windiest day in Inkster?
The windiest day measured in Inkster between 1940 and 2025 was 15 March 1959, with winds reaching 57.1 km/h.
What is the warmest month in Inkster?
The warmest month in Inkster is July (22.9 °C on average); the coldest is January (-4.2 °C).
How much does it rain in Inkster?
Inkster receives on average 883 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Inkster?
Inkster gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Inkster?
The heaviest 24-hour snowfall measured in Inkster between 1940 and 2025 was 1 December 1974, with 25.3 cm.
Are there tropical nights in Inkster?
Yes: Inkster has on average 26 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Inkster?
In Inkster, between 1940 and 2025, the highest apparent temperature reached 44.1 °C on 14 July 1995, and the lowest was -34.7 °C on 19 January 1994.
Compare Inkster with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Inkster