Arandas climate — normals and trends
Arandas (Mexico) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 17.4 °C and it receives 952 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 May (21.2 °C on average) and the coldest is January (13.8 °C). Rainfall peaks in July.
Arandas averages 0 frost days, 17 hot days (≥ 30 °C) and 110 rainy days per year.
Arandas has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.5 °C (on 10 May 2024) and the coldest -3.2 °C (on 14 December 1997).
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
ArandasJalisco
- coords
- 20.71°, -102.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.4°C
Average daily high
24.1°C
Average daily low
11.5°C
Annual rainfall
952mm
Sunshine / day
11.0h
Mean relative humidity
57%
Average peak wind
14.5km/h
Seasonal range
7.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
17 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
0.1 cm
Average feels-like high
23.3 °C
Average feels-like low
9.9 °C
Average peak gust
34.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
21.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.71 · 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
35.5 °C
10 May 2024
Coldest day
-3.2 °C
14 December 1997
Wettest day
65 mm
1 January 1947
Windiest day
40.7 km/h
4 March 1983
Strongest gust
86.4 km/h
4 March 1983
Hottest feels-like
36.3 °C
21 May 2024
Coldest feels-like
-8.3 °C
14 December 1997
Snowiest day
5.7 cm
1 January 1947
Sunniest day
13.1 h
3 July 1955
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 | 22.8 °C | +2.1 °C | 9 mm | -9 mm |
| Feb | 26.2 °C | +3.5 °C | 3 mm | -8 mm |
| Mar | 28.0 °C | +2.6 °C | 0 mm | -8 mm |
| Apr | 29.2 °C | +1.6 °C | 0 mm | -12 mm |
| May | 30.1 °C | +1.6 °C | 44 mm | -0 mm |
| Jun | 25.6 °C | -0.6 °C | 314 mm | +135 mm |
| Jul | 24.4 °C | +0.5 °C | 280 mm | +47 mm |
| Aug | 24.9 °C | +1.0 °C | 281 mm | +77 mm |
| Sep | 25.3 °C | +1.8 °C | 257 mm | +99 mm |
| Oct | 25.5 °C | +2.3 °C | 53 mm | -9 mm |
| Nov | 25.3 °C | +2.9 °C | 1 mm | -13 mm |
| Dec | 23.0 °C | +2.0 °C | 17 mm | +6 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 Arandas?
Arandas has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 17.4 °C and it receives 952 mm of precipitation per year.
What is the hottest day ever recorded in Arandas?
The hottest day measured in Arandas between 1940 and 2025 was 10 May 2024, reaching 35.5 °C.
What is the coldest day in Arandas?
The coldest day measured in Arandas between 1940 and 2025 was 14 December 1997, at -3.2 °C.
Does it snow in Arandas?
Almost never: Arandas sees virtually no snow, with about 0 frost days per year.
Has the climate of Arandas warmed?
Yes: Arandas warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arandas?
The wettest day measured in Arandas between 1940 and 2025 was 1 January 1947, with 65 mm of rain in 24 hours.
What was the windiest day in Arandas?
The windiest day measured in Arandas between 1940 and 2025 was 4 March 1983, with winds reaching 40.7 km/h.
What is the warmest month in Arandas?
The warmest month in Arandas is May (21.2 °C on average); the coldest is January (13.8 °C).
How much does it rain in Arandas?
Arandas receives on average 952 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Arandas?
Arandas gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Arandas?
The heaviest 24-hour snowfall measured in Arandas between 1940 and 2025 was 1 January 1947, with 5.7 cm.
Are there tropical nights in Arandas?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Arandas.
What was the most extreme apparent temperature in Arandas?
In Arandas, between 1940 and 2025, the highest apparent temperature reached 36.3 °C on 21 May 2024, and the lowest was -8.3 °C on 14 December 1997.
Compare Arandas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arandas