Shelby climate — normals and trends
Shelby (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 9.0 °C and it receives 855 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 (22.1 °C on average) and the coldest is January (-4.8 °C). Rainfall peaks in May.
Shelby averages 125 frost days, 16 hot days (≥ 30 °C) and 122 rainy days per year.
Shelby has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 138 to 112 per year over the period.
The hottest day of the period reached 39.0 °C (on 25 June 1988) and the coldest -28.5 °C (on 16 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
ShelbyMichigan
- coords
- 42.67°, -83.03°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.0°C
Average daily high
13.5°C
Average daily low
4.6°C
Annual rainfall
855mm
Sunshine / day
8.7h
Mean relative humidity
71%
Average peak wind
18.5km/h
Seasonal range
26.9°C
Frost days (< 0 °C)
125 d/yr
Hot days (≥ 30 °C)
16 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
83.9 cm
Average feels-like high
11.3 °C
Average feels-like low
1.5 °C
Average peak gust
39.2 km/h
Tropical nights (≥ 20 °C)
17 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
39.0 °C
25 June 1988
Coldest day
-28.5 °C
16 January 1994
Wettest day
127 mm
25 June 1968
Windiest day
49.5 km/h
15 March 1959
Strongest gust
104.4 km/h
10 November 1998
Hottest feels-like
43.9 °C
14 July 1995
Coldest feels-like
-34.2 °C
16 January 1994
Snowiest day
26.1 cm
25 March 1947
Sunniest day
15.0 h
1 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 | -2.3 °C | -1.1 °C | 34 mm | -20 mm |
| Feb | -0.6 °C | -0.9 °C | 48 mm | -3 mm |
| Mar | 10.8 °C | +5.0 °C | 74 mm | +8 mm |
| Apr | 14.7 °C | +1.6 °C | 77 mm | -7 mm |
| May | 18.2 °C | -1.3 °C | 78 mm | -11 mm |
| Jun | 26.4 °C | +1.5 °C | 103 mm | +16 mm |
| Jul | 28.2 °C | +1.1 °C | 110 mm | +30 mm |
| Aug | 25.6 °C | -0.4 °C | 36 mm | -41 mm |
| Sep | 23.8 °C | +1.8 °C | 58 mm | -13 mm |
| Oct | 17.4 °C | +2.1 °C | 65 mm | -2 mm |
| Nov | 7.7 °C | 0.0 °C | 40 mm | -28 mm |
| Dec | 0.8 °C | -0.5 °C | 83 mm | +24 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 Shelby?
Shelby has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 9.0 °C and it receives 855 mm of precipitation per year.
What is the hottest day ever recorded in Shelby?
The hottest day measured in Shelby between 1940 and 2025 was 25 June 1988, reaching 39.0 °C.
What is the coldest day in Shelby?
The coldest day measured in Shelby between 1940 and 2025 was 16 January 1994, at -28.5 °C.
Does it snow in Shelby?
Yes. Shelby gets on average 83.9 cm of snow per year and has around 125 frost days.
Has the climate of Shelby warmed?
Yes: Shelby warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Shelby?
The wettest day measured in Shelby between 1940 and 2025 was 25 June 1968, with 127 mm of rain in 24 hours.
What was the windiest day in Shelby?
The windiest day measured in Shelby between 1940 and 2025 was 15 March 1959, with winds reaching 49.5 km/h.
What is the warmest month in Shelby?
The warmest month in Shelby is July (22.1 °C on average); the coldest is January (-4.8 °C).
How much does it rain in Shelby?
Shelby receives on average 855 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Shelby?
Shelby gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Shelby?
The heaviest 24-hour snowfall measured in Shelby between 1940 and 2025 was 25 March 1947, with 26.1 cm.
Are there tropical nights in Shelby?
Yes: Shelby has on average 17 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Shelby?
In Shelby, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 14 July 1995, and the lowest was -34.2 °C on 16 January 1994.
Compare Shelby with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Shelby