West Bloomfield climate — normals and trends
West Bloomfield (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 881 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.
West Bloomfield averages 125 frost days, 17 hot days (≥ 30 °C) and 123 rainy days per year.
West Bloomfield 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 139 to 111 per year over the period.
The hottest day of the period reached 38.8 °C (on 25 June 1988) and the coldest -28.7 °C (on 20 February 2015).
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
West BloomfieldMichigan
- coords
- 42.57°, -83.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.0°C
Average daily high
13.7°C
Average daily low
4.6°C
Annual rainfall
881mm
Sunshine / day
8.6h
Mean relative humidity
71%
Average peak wind
18.2km/h
Seasonal range
26.9°C
Frost days (< 0 °C)
125 d/yr
Hot days (≥ 30 °C)
17 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
84.0 cm
Average feels-like high
11.5 °C
Average feels-like low
1.6 °C
Average peak gust
38.8 km/h
Tropical nights (≥ 20 °C)
15 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 = 0.39 · 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
38.8 °C
25 June 1988
Coldest day
-28.7 °C
20 February 2015
Wettest day
120 mm
25 June 1968
Windiest day
49.9 km/h
22 March 1955
Strongest gust
104.0 km/h
10 November 1998
Hottest feels-like
43.8 °C
14 July 1995
Coldest feels-like
-34.1 °C
16 January 1972
Snowiest day
24.5 cm
26 January 1978
Sunniest day
15.0 h
3 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 | -1.2 °C | 42 mm | -14 mm |
| Feb | -0.4 °C | -0.9 °C | 47 mm | -5 mm |
| Mar | 11.3 °C | +5.0 °C | 79 mm | +10 mm |
| Apr | 15.2 °C | +1.7 °C | 85 mm | -2 mm |
| May | 18.5 °C | -1.3 °C | 99 mm | +8 mm |
| Jun | 26.7 °C | +1.6 °C | 130 mm | +39 mm |
| Jul | 28.4 °C | +1.1 °C | 126 mm | +43 mm |
| Aug | 25.8 °C | -0.4 °C | 44 mm | -37 mm |
| Sep | 24.2 °C | +2.0 °C | 54 mm | -17 mm |
| Oct | 17.8 °C | +2.3 °C | 68 mm | -1 mm |
| Nov | 7.8 °C | 0.0 °C | 42 mm | -29 mm |
| Dec | 0.8 °C | -0.6 °C | 80 mm | +19 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 West Bloomfield?
West Bloomfield has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 9.0 °C and it receives 881 mm of precipitation per year.
What is the hottest day ever recorded in West Bloomfield?
The hottest day measured in West Bloomfield between 1940 and 2025 was 25 June 1988, reaching 38.8 °C.
What is the coldest day in West Bloomfield?
The coldest day measured in West Bloomfield between 1940 and 2025 was 20 February 2015, at -28.7 °C.
Does it snow in West Bloomfield?
Yes. West Bloomfield gets on average 84.0 cm of snow per year and has around 125 frost days.
Has the climate of West Bloomfield warmed?
Yes: West Bloomfield warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in West Bloomfield?
The wettest day measured in West Bloomfield between 1940 and 2025 was 25 June 1968, with 120 mm of rain in 24 hours.
What was the windiest day in West Bloomfield?
The windiest day measured in West Bloomfield between 1940 and 2025 was 22 March 1955, with winds reaching 49.9 km/h.
What is the warmest month in West Bloomfield?
The warmest month in West Bloomfield is July (22.1 °C on average); the coldest is January (-4.8 °C).
How much does it rain in West Bloomfield?
West Bloomfield receives on average 881 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in West Bloomfield?
West Bloomfield 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 West Bloomfield?
The heaviest 24-hour snowfall measured in West Bloomfield between 1940 and 2025 was 26 January 1978, with 24.5 cm.
Are there tropical nights in West Bloomfield?
Yes: West Bloomfield has on average 15 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in West Bloomfield?
In West Bloomfield, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 14 July 1995, and the lowest was -34.1 °C on 16 January 1972.
Compare West Bloomfield with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around West Bloomfield