Eloy climate — normals and trends
Eloy (United States) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 21.9 °C and it receives 229 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 (33.1 °C on average) and the coldest is January (10.9 °C). Rainfall peaks in August.
Eloy averages 6 frost days, 178 hot days (≥ 30 °C) and 38 rainy days per year.
Eloy 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 11 to 1 per year over the period.
The hottest day of the period reached 47.2 °C (on 26 June 1990) and the coldest -7.0 °C (on 21 December 1978).
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
EloyArizona
- coords
- 32.76°, -111.55°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.9°C
Average daily high
28.9°C
Average daily low
15.0°C
Annual rainfall
229mm
Sunshine / day
11.3h
Mean relative humidity
36%
Average peak wind
15.5km/h
Seasonal range
22.2°C
Frost days (< 0 °C)
6 d/yr
Hot days (≥ 30 °C)
178 d/yr
Rainy days (≥ 1 mm)
38 d/yr
Annual snowfall
0.1 cm
Average feels-like high
26.9 °C
Average feels-like low
12.8 °C
Average peak gust
30.3 km/h
Tropical nights (≥ 20 °C)
121 d/yr
Solar radiation
21.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.74 · 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
47.2 °C
26 June 1990
Coldest day
-7.0 °C
21 December 1978
Wettest day
73 mm
31 August 2008
Windiest day
48.7 km/h
26 March 1991
Strongest gust
95.4 km/h
7 December 2009
Hottest feels-like
47.6 °C
26 June 1990
Coldest feels-like
-11.8 °C
11 January 1962
Snowiest day
1.7 cm
15 January 1949
Sunniest day
14.0 h
25 June 1945
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 | 18.0 °C | 0.0 °C | 3 mm | -26 mm |
| Feb | 24.7 °C | +4.4 °C | 0 mm | -23 mm |
| Mar | 24.9 °C | +1.4 °C | 30 mm | +9 mm |
| Apr | 28.7 °C | +0.5 °C | 1 mm | -6 mm |
| May | 33.5 °C | +0.4 °C | 2 mm | -0 mm |
| Jun | 39.7 °C | +1.2 °C | 10 mm | +7 mm |
| Jul | 40.0 °C | +0.7 °C | 19 mm | -4 mm |
| Aug | 40.8 °C | +2.8 °C | 9 mm | -27 mm |
| Sep | 35.9 °C | 0.0 °C | 50 mm | +25 mm |
| Oct | 30.8 °C | +0.7 °C | 29 mm | +12 mm |
| Nov | 25.4 °C | +2.3 °C | 38 mm | +21 mm |
| Dec | 22.8 °C | +4.5 °C | 4 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 Eloy?
Eloy has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 229 mm of precipitation per year.
What is the hottest day ever recorded in Eloy?
The hottest day measured in Eloy between 1940 and 2025 was 26 June 1990, reaching 47.2 °C.
What is the coldest day in Eloy?
The coldest day measured in Eloy between 1940 and 2025 was 21 December 1978, at -7.0 °C.
Does it snow in Eloy?
Almost never: Eloy sees virtually no snow, with about 6 frost days per year.
Has the climate of Eloy warmed?
Yes: Eloy warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Eloy?
The wettest day measured in Eloy between 1940 and 2025 was 31 August 2008, with 73 mm of rain in 24 hours.
What was the windiest day in Eloy?
The windiest day measured in Eloy between 1940 and 2025 was 26 March 1991, with winds reaching 48.7 km/h.
What is the warmest month in Eloy?
The warmest month in Eloy is July (33.1 °C on average); the coldest is January (10.9 °C).
How much does it rain in Eloy?
Eloy receives on average 229 mm of precipitation per year, spread over about 38 rainy days.
Is it sunny in Eloy?
Eloy 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 Eloy?
The heaviest 24-hour snowfall measured in Eloy between 1940 and 2025 was 15 January 1949, with 1.7 cm.
Are there tropical nights in Eloy?
Yes: Eloy has on average 121 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Eloy?
In Eloy, between 1940 and 2025, the highest apparent temperature reached 47.6 °C on 26 June 1990, and the lowest was -11.8 °C on 11 January 1962.
Compare Eloy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Eloy