McAlester climate — normals and trends
McAlester (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.6 °C and it receives 974 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 (28.0 °C on average) and the coldest is January (4.1 °C). Rainfall peaks in May.
McAlester averages 42 frost days, 92 hot days (≥ 30 °C) and 96 rainy days per year.
McAlester has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 47 to 37 per year over the period.
The hottest day of the period reached 43.6 °C (on 2 August 2011) and the coldest -23.2 °C (on 16 February 2021).
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
McAlesterOklahoma
- coords
- 34.93°, -95.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.6°C
Average daily high
21.9°C
Average daily low
12.0°C
Annual rainfall
974mm
Sunshine / day
9.3h
Mean relative humidity
68%
Average peak wind
17.6km/h
Seasonal range
23.9°C
Frost days (< 0 °C)
42 d/yr
Hot days (≥ 30 °C)
92 d/yr
Rainy days (≥ 1 mm)
96 d/yr
Annual snowfall
13.3 cm
Average feels-like high
21.5 °C
Average feels-like low
10.5 °C
Average peak gust
37.1 km/h
Tropical nights (≥ 20 °C)
98 d/yr
Solar radiation
16.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.32 · 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
43.6 °C
2 August 2011
Coldest day
-23.2 °C
16 February 2021
Wettest day
134 mm
21 September 2018
Windiest day
42.5 km/h
27 February 1948
Strongest gust
101.9 km/h
17 March 1987
Hottest feels-like
46.0 °C
13 July 1954
Coldest feels-like
-28.4 °C
16 February 2021
Snowiest day
22.9 cm
6 January 1988
Sunniest day
14.1 h
29 June 2022
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 | 8.3 °C | -1.0 °C | 62 mm | +10 mm |
| Feb | 12.0 °C | 0.0 °C | 42 mm | -25 mm |
| Mar | 21.6 °C | +4.7 °C | 54 mm | -44 mm |
| Apr | 23.1 °C | +1.3 °C | 217 mm | +98 mm |
| May | 26.2 °C | +0.3 °C | 164 mm | +29 mm |
| Jun | 31.1 °C | +0.5 °C | 116 mm | +30 mm |
| Jul | 33.4 °C | +0.1 °C | 61 mm | +3 mm |
| Aug | 32.0 °C | -1.2 °C | 94 mm | +40 mm |
| Sep | 29.8 °C | +0.8 °C | 70 mm | -10 mm |
| Oct | 25.7 °C | +2.4 °C | 109 mm | +23 mm |
| Nov | 19.9 °C | +3.6 °C | 55 mm | -21 mm |
| Dec | 14.7 °C | +3.6 °C | 5 mm | -58 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 McAlester?
McAlester has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.6 °C and it receives 974 mm of precipitation per year.
What is the hottest day ever recorded in McAlester?
The hottest day measured in McAlester between 1940 and 2025 was 2 August 2011, reaching 43.6 °C.
What is the coldest day in McAlester?
The coldest day measured in McAlester between 1940 and 2025 was 16 February 2021, at -23.2 °C.
Does it snow in McAlester?
Yes. McAlester gets on average 13.3 cm of snow per year and has around 42 frost days.
Has the climate of McAlester warmed?
Yes: McAlester warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in McAlester?
The wettest day measured in McAlester between 1940 and 2025 was 21 September 2018, with 134 mm of rain in 24 hours.
What was the windiest day in McAlester?
The windiest day measured in McAlester between 1940 and 2025 was 27 February 1948, with winds reaching 42.5 km/h.
What is the warmest month in McAlester?
The warmest month in McAlester is July (28.0 °C on average); the coldest is January (4.1 °C).
How much does it rain in McAlester?
McAlester receives on average 974 mm of precipitation per year, spread over about 96 rainy days.
Is it sunny in McAlester?
McAlester 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 McAlester?
The heaviest 24-hour snowfall measured in McAlester between 1940 and 2025 was 6 January 1988, with 22.9 cm.
Are there tropical nights in McAlester?
Yes: McAlester has on average 98 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in McAlester?
In McAlester, between 1940 and 2025, the highest apparent temperature reached 46.0 °C on 13 July 1954, and the lowest was -28.4 °C on 16 February 2021.
Compare McAlester with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around McAlester