Millbrook climate — normals and trends
Millbrook (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.2 °C and it receives 1,125 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 (27.2 °C on average) and the coldest is January (8.1 °C). Rainfall peaks in March.
Millbrook averages 25 frost days, 106 hot days (≥ 30 °C) and 118 rainy days per year.
Millbrook has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.8 °C (on 14 August 2007) and the coldest -17.3 °C (on 21 January 1985).
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
MillbrookAlabama
- coords
- 32.48°, -86.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.2°C
Average daily high
23.9°C
Average daily low
13.2°C
Annual rainfall
1,125mm
Sunshine / day
9.3h
Mean relative humidity
71%
Average peak wind
14.1km/h
Seasonal range
19.1°C
Frost days (< 0 °C)
25 d/yr
Hot days (≥ 30 °C)
106 d/yr
Rainy days (≥ 1 mm)
118 d/yr
Annual snowfall
1.6 cm
Average feels-like high
24.6 °C
Average feels-like low
12.7 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
111 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.30 · 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
40.8 °C
14 August 2007
Coldest day
-17.3 °C
21 January 1985
Wettest day
119 mm
24 September 1956
Windiest day
60.8 km/h
4 October 1995
Strongest gust
162.4 km/h
4 October 1995
Hottest feels-like
45.1 °C
27 July 1993
Coldest feels-like
-23.9 °C
21 January 1985
Snowiest day
17.3 cm
23 January 1940
Sunniest day
13.9 h
20 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 | 12.0 °C | -1.5 °C | 72 mm | -41 mm |
| Feb | 19.5 °C | +3.7 °C | 79 mm | -33 mm |
| Mar | 23.0 °C | +3.2 °C | 107 mm | -16 mm |
| Apr | 27.7 °C | +3.5 °C | 89 mm | -11 mm |
| May | 28.2 °C | 0.0 °C | 277 mm | +191 mm |
| Jun | 31.2 °C | -0.3 °C | 141 mm | +61 mm |
| Jul | 34.1 °C | +1.7 °C | 66 mm | -38 mm |
| Aug | 31.3 °C | -1.1 °C | 95 mm | +18 mm |
| Sep | 32.3 °C | +2.2 °C | 14 mm | -61 mm |
| Oct | 26.5 °C | +1.3 °C | 51 mm | -10 mm |
| Nov | 21.8 °C | +2.5 °C | 23 mm | -65 mm |
| Dec | 16.1 °C | +1.2 °C | 61 mm | -47 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 Millbrook?
Millbrook has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 1,125 mm of precipitation per year.
What is the hottest day ever recorded in Millbrook?
The hottest day measured in Millbrook between 1940 and 2025 was 14 August 2007, reaching 40.8 °C.
What is the coldest day in Millbrook?
The coldest day measured in Millbrook between 1940 and 2025 was 21 January 1985, at -17.3 °C.
Does it snow in Millbrook?
Yes. Millbrook gets on average 1.6 cm of snow per year and has around 25 frost days.
Has the climate of Millbrook warmed?
Yes: Millbrook warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Millbrook?
The wettest day measured in Millbrook between 1940 and 2025 was 24 September 1956, with 119 mm of rain in 24 hours.
What was the windiest day in Millbrook?
The windiest day measured in Millbrook between 1940 and 2025 was 4 October 1995, with winds reaching 60.8 km/h.
What is the warmest month in Millbrook?
The warmest month in Millbrook is July (27.2 °C on average); the coldest is January (8.1 °C).
How much does it rain in Millbrook?
Millbrook receives on average 1,125 mm of precipitation per year, spread over about 118 rainy days.
Is it sunny in Millbrook?
Millbrook gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Millbrook?
The heaviest 24-hour snowfall measured in Millbrook between 1940 and 2025 was 23 January 1940, with 17.3 cm.
Are there tropical nights in Millbrook?
Yes: Millbrook has on average 111 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Millbrook?
In Millbrook, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 27 July 1993, and the lowest was -23.9 °C on 21 January 1985.
Compare Millbrook with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Millbrook