Santa Isabel climate — normals and trends
Santa Isabel (Mexico) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 23.7 °C and it receives 77 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 (34.8 °C on average) and the coldest is December (13.7 °C). Rainfall peaks in August.
Santa Isabel averages 1 frost days, 201 hot days (≥ 30 °C) and 14 rainy days per year.
Santa Isabel has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 2 to 0 per year over the period.
The hottest day of the period reached 50.9 °C (on 20 June 2016) and the coldest -3.6 °C (on 5 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
Santa IsabelBaja California
- coords
- 32.63°, -115.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.7°C
Average daily high
31.5°C
Average daily low
16.4°C
Annual rainfall
77mm
Sunshine / day
11.5h
Mean relative humidity
32%
Average peak wind
14.3km/h
Seasonal range
21.1°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
201 d/yr
Rainy days (≥ 1 mm)
14 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.2 °C
Average feels-like low
14.4 °C
Average peak gust
29.8 km/h
Tropical nights (≥ 20 °C)
124 d/yr
Solar radiation
21.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.63 · 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
50.9 °C
20 June 2016
Coldest day
-3.6 °C
5 January 1949
Wettest day
87 mm
6 October 1972
Windiest day
40.7 km/h
23 March 1945
Strongest gust
82.4 km/h
15 March 1987
Hottest feels-like
53.1 °C
22 July 2006
Coldest feels-like
-8.4 °C
13 January 1963
Snowiest day
0.1 cm
14 December 1967
Sunniest day
13.8 h
10 July 2025
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 | 21.3 °C | +0.3 °C | 0 mm | -9 mm |
| Feb | 27.5 °C | +4.0 °C | 0 mm | -9 mm |
| Mar | 27.5 °C | +0.8 °C | 21 mm | +14 mm |
| Apr | 31.3 °C | +0.6 °C | 0 mm | -2 mm |
| May | 36.3 °C | +1.4 °C | 0 mm | -1 mm |
| Jun | 41.5 °C | +1.6 °C | 11 mm | +10 mm |
| Jul | 43.1 °C | +0.7 °C | 1 mm | -6 mm |
| Aug | 43.6 °C | +2.1 °C | 12 mm | -1 mm |
| Sep | 38.1 °C | -0.4 °C | 7 mm | -1 mm |
| Oct | 33.4 °C | +1.1 °C | 2 mm | -5 mm |
| Nov | 27.6 °C | +2.2 °C | 29 mm | +24 mm |
| Dec | 24.7 °C | +3.9 °C | 5 mm | -5 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 Santa Isabel?
Santa Isabel has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 23.7 °C and it receives 77 mm of precipitation per year.
What is the hottest day ever recorded in Santa Isabel?
The hottest day measured in Santa Isabel between 1940 and 2025 was 20 June 2016, reaching 50.9 °C.
What is the coldest day in Santa Isabel?
The coldest day measured in Santa Isabel between 1940 and 2025 was 5 January 1949, at -3.6 °C.
Does it snow in Santa Isabel?
Almost never: Santa Isabel sees virtually no snow, with about 1 frost days per year.
Has the climate of Santa Isabel warmed?
Yes: Santa Isabel warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Santa Isabel?
The wettest day measured in Santa Isabel between 1940 and 2025 was 6 October 1972, with 87 mm of rain in 24 hours.
What was the windiest day in Santa Isabel?
The windiest day measured in Santa Isabel between 1940 and 2025 was 23 March 1945, with winds reaching 40.7 km/h.
What is the warmest month in Santa Isabel?
The warmest month in Santa Isabel is July (34.8 °C on average); the coldest is December (13.7 °C).
How much does it rain in Santa Isabel?
Santa Isabel receives on average 77 mm of precipitation per year, spread over about 14 rainy days.
Is it sunny in Santa Isabel?
Santa Isabel gets on average 11.5 hours of sunshine per day, roughly 4,198 hours per year over 1940-2025.
What is the biggest single-day snowfall in Santa Isabel?
The heaviest 24-hour snowfall measured in Santa Isabel between 1940 and 2025 was 14 December 1967, with 0.1 cm.
Are there tropical nights in Santa Isabel?
Yes: Santa Isabel has on average 124 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Santa Isabel?
In Santa Isabel, between 1940 and 2025, the highest apparent temperature reached 53.1 °C on 22 July 2006, and the lowest was -8.4 °C on 13 January 1963.
Compare Santa Isabel with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Santa Isabel