Flint climate — normals and trends
Flint (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 837 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 (21.9 °C on average) and the coldest is January (-5.1 °C). Rainfall peaks in May.
Flint averages 129 frost days, 18 hot days (≥ 30 °C) and 122 rainy days per year.
Flint has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 142 to 116 per year over the period.
The hottest day of the period reached 38.8 °C (on 14 July 1995) and the coldest -29.3 °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
FlintMichigan
- coords
- 43.01°, -83.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
13.6°C
Average daily low
4.2°C
Annual rainfall
837mm
Sunshine / day
8.5h
Mean relative humidity
71%
Average peak wind
18.2km/h
Seasonal range
27.0°C
Frost days (< 0 °C)
129 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
91.6 cm
Average feels-like high
11.3 °C
Average feels-like low
1.1 °C
Average peak gust
38.9 km/h
Tropical nights (≥ 20 °C)
15 d/yr
Solar radiation
14.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
14 July 1995
Coldest day
-29.3 °C
20 February 2015
Wettest day
77 mm
14 September 2008
Windiest day
50.8 km/h
30 April 1984
Strongest gust
106.2 km/h
19 January 1949
Hottest feels-like
43.0 °C
14 July 1995
Coldest feels-like
-34.5 °C
16 January 1994
Snowiest day
32.1 cm
26 January 1978
Sunniest day
15.0 h
5 June 1941
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 | -2.4 °C | -1.0 °C | 28 mm | -26 mm |
| Feb | -0.7 °C | -0.9 °C | 38 mm | -11 mm |
| Mar | 11.4 °C | +5.3 °C | 83 mm | +17 mm |
| Apr | 15.2 °C | +1.7 °C | 77 mm | -6 mm |
| May | 18.5 °C | -1.4 °C | 96 mm | +11 mm |
| Jun | 27.1 °C | +2.1 °C | 119 mm | +36 mm |
| Jul | 28.4 °C | +1.2 °C | 79 mm | +2 mm |
| Aug | 26.1 °C | +0.1 °C | 50 mm | -27 mm |
| Sep | 24.2 °C | +2.1 °C | 63 mm | -9 mm |
| Oct | 17.6 °C | +2.2 °C | 65 mm | -3 mm |
| Nov | 7.5 °C | -0.1 °C | 41 mm | -26 mm |
| Dec | 0.2 °C | -0.9 °C | 84 mm | +25 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 Flint?
Flint has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 837 mm of precipitation per year.
What is the hottest day ever recorded in Flint?
The hottest day measured in Flint between 1940 and 2025 was 14 July 1995, reaching 38.8 °C.
What is the coldest day in Flint?
The coldest day measured in Flint between 1940 and 2025 was 20 February 2015, at -29.3 °C.
Does it snow in Flint?
Yes. Flint gets on average 91.6 cm of snow per year and has around 129 frost days.
Has the climate of Flint warmed?
Yes: Flint warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Flint?
The wettest day measured in Flint between 1940 and 2025 was 14 September 2008, with 77 mm of rain in 24 hours.
What was the windiest day in Flint?
The windiest day measured in Flint between 1940 and 2025 was 30 April 1984, with winds reaching 50.8 km/h.
What is the warmest month in Flint?
The warmest month in Flint is July (21.9 °C on average); the coldest is January (-5.1 °C).
How much does it rain in Flint?
Flint receives on average 837 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Flint?
Flint gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Flint?
The heaviest 24-hour snowfall measured in Flint between 1940 and 2025 was 26 January 1978, with 32.1 cm.
Are there tropical nights in Flint?
Yes: Flint has on average 15 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Flint?
In Flint, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 14 July 1995, and the lowest was -34.5 °C on 16 January 1994.
Compare Flint with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Flint