Buckeye climate — normals and trends
Buckeye (United States) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 22.9 °C and it receives 177 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 (34.6 °C on average) and the coldest is January (11.7 °C). Rainfall peaks in August.
Buckeye averages 3 frost days, 185 hot days (≥ 30 °C) and 28 rainy days per year.
Buckeye has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 7 to 0 per year over the period.
The hottest day of the period reached 49.0 °C (on 26 June 1990) and the coldest -6.1 °C (on 4 January 1949).
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
BuckeyeArizona
- coords
- 33.37°, -112.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.9°C
Average daily high
29.7°C
Average daily low
16.0°C
Annual rainfall
177mm
Sunshine / day
11.3h
Mean relative humidity
33%
Average peak wind
14.4km/h
Seasonal range
22.9°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
185 d/yr
Rainy days (≥ 1 mm)
28 d/yr
Annual snowfall
0.0 cm
Average feels-like high
28.0 °C
Average feels-like low
13.8 °C
Average peak gust
31.6 km/h
Tropical nights (≥ 20 °C)
133 d/yr
Solar radiation
21.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.75 · 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
49.0 °C
26 June 1990
Coldest day
-6.1 °C
4 January 1949
Wettest day
101 mm
2 September 1967
Windiest day
43.2 km/h
21 January 2010
Strongest gust
108.4 km/h
21 January 2010
Hottest feels-like
49.2 °C
26 June 1990
Coldest feels-like
-10.4 °C
14 January 1963
Snowiest day
1.4 cm
26 December 1941
Sunniest day
14.1 h
20 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 | 18.8 °C | +0.2 °C | 0 mm | -21 mm |
| Feb | 25.3 °C | +4.1 °C | 0 mm | -19 mm |
| Mar | 25.4 °C | +0.9 °C | 24 mm | +7 mm |
| Apr | 29.2 °C | +0.2 °C | 2 mm | -4 mm |
| May | 34.2 °C | +0.5 °C | 7 mm | +5 mm |
| Jun | 40.5 °C | +1.4 °C | 7 mm | +5 mm |
| Jul | 41.2 °C | +0.4 °C | 10 mm | -5 mm |
| Aug | 41.9 °C | +2.3 °C | 10 mm | -17 mm |
| Sep | 36.8 °C | -0.3 °C | 34 mm | +14 mm |
| Oct | 31.8 °C | +0.9 °C | 12 mm | -2 mm |
| Nov | 25.8 °C | +2.3 °C | 25 mm | +12 mm |
| Dec | 23.0 °C | +4.4 °C | 2 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 Buckeye?
Buckeye has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 22.9 °C and it receives 177 mm of precipitation per year.
What is the hottest day ever recorded in Buckeye?
The hottest day measured in Buckeye between 1940 and 2025 was 26 June 1990, reaching 49.0 °C.
What is the coldest day in Buckeye?
The coldest day measured in Buckeye between 1940 and 2025 was 4 January 1949, at -6.1 °C.
Does it snow in Buckeye?
Almost never: Buckeye sees virtually no snow, with about 3 frost days per year.
Has the climate of Buckeye warmed?
Yes: Buckeye warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Buckeye?
The wettest day measured in Buckeye between 1940 and 2025 was 2 September 1967, with 101 mm of rain in 24 hours.
What was the windiest day in Buckeye?
The windiest day measured in Buckeye between 1940 and 2025 was 21 January 2010, with winds reaching 43.2 km/h.
What is the warmest month in Buckeye?
The warmest month in Buckeye is July (34.6 °C on average); the coldest is January (11.7 °C).
How much does it rain in Buckeye?
Buckeye receives on average 177 mm of precipitation per year, spread over about 28 rainy days.
Is it sunny in Buckeye?
Buckeye gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
What is the biggest single-day snowfall in Buckeye?
The heaviest 24-hour snowfall measured in Buckeye between 1940 and 2025 was 26 December 1941, with 1.4 cm.
Are there tropical nights in Buckeye?
Yes: Buckeye has on average 133 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Buckeye?
In Buckeye, between 1940 and 2025, the highest apparent temperature reached 49.2 °C on 26 June 1990, and the lowest was -10.4 °C on 14 January 1963.
Compare Buckeye with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Buckeye