El Reno climate — normals and trends
El Reno (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.6 °C and it receives 769 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 (28.1 °C on average) and the coldest is January (2.3 °C). Rainfall peaks in May.
El Reno averages 64 frost days, 95 hot days (≥ 30 °C) and 83 rainy days per year.
El Reno has warmed by +1.7 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 70 to 58 per year over the period.
The hottest day of the period reached 43.9 °C (on 19 July 2022) and the coldest -27.0 °C (on 4 January 1947).
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
El RenoOklahoma
- coords
- 35.53°, -97.96°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.6°C
Average daily high
21.5°C
Average daily low
10.4°C
Annual rainfall
769mm
Sunshine / day
9.8h
Mean relative humidity
63%
Average peak wind
22.6km/h
Seasonal range
25.8°C
Frost days (< 0 °C)
64 d/yr
Hot days (≥ 30 °C)
95 d/yr
Rainy days (≥ 1 mm)
83 d/yr
Annual snowfall
20.7 cm
Average feels-like high
20.0 °C
Average feels-like low
7.8 °C
Average peak gust
42.7 km/h
Tropical nights (≥ 20 °C)
84 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °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
43.9 °C
19 July 2022
Coldest day
-27.0 °C
4 January 1947
Wettest day
129 mm
11 August 2008
Windiest day
56.8 km/h
14 March 2025
Strongest gust
105.1 km/h
1 April 1983
Hottest feels-like
45.4 °C
3 August 2011
Coldest feels-like
-32.2 °C
4 January 1947
Snowiest day
20.9 cm
6 January 1988
Sunniest day
14.2 h
25 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 | 7.5 °C | -0.7 °C | 16 mm | -17 mm |
| Feb | 10.5 °C | -0.5 °C | 12 mm | -29 mm |
| Mar | 21.3 °C | +5.3 °C | 44 mm | -23 mm |
| Apr | 22.0 °C | +0.5 °C | 245 mm | +150 mm |
| May | 25.5 °C | -0.3 °C | 171 mm | +55 mm |
| Jun | 30.8 °C | -0.1 °C | 179 mm | +88 mm |
| Jul | 33.4 °C | -0.4 °C | 36 mm | -14 mm |
| Aug | 31.9 °C | -1.6 °C | 86 mm | +32 mm |
| Sep | 29.5 °C | +0.6 °C | 28 mm | -43 mm |
| Oct | 25.6 °C | +2.8 °C | 69 mm | -0 mm |
| Nov | 19.1 °C | +3.7 °C | 18 mm | -27 mm |
| Dec | 14.1 °C | +4.2 °C | 1 mm | -35 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 El Reno?
El Reno has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.6 °C and it receives 769 mm of precipitation per year.
What is the hottest day ever recorded in El Reno?
The hottest day measured in El Reno between 1940 and 2025 was 19 July 2022, reaching 43.9 °C.
What is the coldest day in El Reno?
The coldest day measured in El Reno between 1940 and 2025 was 4 January 1947, at -27.0 °C.
Does it snow in El Reno?
Yes. El Reno gets on average 20.7 cm of snow per year and has around 64 frost days.
Has the climate of El Reno warmed?
Yes: El Reno warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in El Reno?
The wettest day measured in El Reno between 1940 and 2025 was 11 August 2008, with 129 mm of rain in 24 hours.
What was the windiest day in El Reno?
The windiest day measured in El Reno between 1940 and 2025 was 14 March 2025, with winds reaching 56.8 km/h.
What is the warmest month in El Reno?
The warmest month in El Reno is July (28.1 °C on average); the coldest is January (2.3 °C).
How much does it rain in El Reno?
El Reno receives on average 769 mm of precipitation per year, spread over about 83 rainy days.
Is it sunny in El Reno?
El Reno gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in El Reno?
The heaviest 24-hour snowfall measured in El Reno between 1940 and 2025 was 6 January 1988, with 20.9 cm.
Are there tropical nights in El Reno?
Yes: El Reno has on average 84 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in El Reno?
In El Reno, between 1940 and 2025, the highest apparent temperature reached 45.4 °C on 3 August 2011, and the lowest was -32.2 °C on 4 January 1947.
Compare El Reno with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around El Reno