Valle Hermoso climate — normals and trends
Valle Hermoso (Mexico) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 23.6 °C and it receives 573 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 August (29.2 °C on average) and the coldest is January (16.3 °C). Rainfall peaks in September.
Valle Hermoso averages 1 frost days, 176 hot days (≥ 30 °C) and 94 rainy days per year.
Valle Hermoso has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.1 °C (on 5 September 2000) and the coldest -7.4 °C (on 23 December 1989).
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
Valle HermosoTamaulipas
- coords
- 25.67°, -97.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.6°C
Average daily high
28.6°C
Average daily low
19.5°C
Annual rainfall
573mm
Sunshine / day
10.2h
Mean relative humidity
73%
Average peak wind
23.5km/h
Seasonal range
12.9°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
176 d/yr
Rainy days (≥ 1 mm)
94 d/yr
Annual snowfall
0.1 cm
Average feels-like high
29.9 °C
Average feels-like low
20.6 °C
Average peak gust
43.6 km/h
Tropical nights (≥ 20 °C)
209 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.24 · 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
42.1 °C
5 September 2000
Coldest day
-7.4 °C
23 December 1989
Wettest day
168 mm
20 September 1967
Windiest day
75.4 km/h
9 August 1980
Strongest gust
156.2 km/h
20 July 2005
Hottest feels-like
48.3 °C
9 May 2024
Coldest feels-like
-14.5 °C
23 December 1989
Snowiest day
5.6 cm
25 December 2004
Sunniest day
13.0 h
29 April 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 | 19.8 °C | -1.7 °C | 19 mm | -13 mm |
| Feb | 24.3 °C | +1.0 °C | 7 mm | -23 mm |
| Mar | 29.2 °C | +3.0 °C | 50 mm | +20 mm |
| Apr | 30.0 °C | +1.0 °C | 11 mm | -30 mm |
| May | 33.2 °C | +1.8 °C | 46 mm | -2 mm |
| Jun | 33.8 °C | +0.5 °C | 90 mm | +34 mm |
| Jul | 33.7 °C | -0.3 °C | 50 mm | -4 mm |
| Aug | 35.7 °C | +1.3 °C | 71 mm | +14 mm |
| Sep | 33.0 °C | +0.8 °C | 137 mm | +38 mm |
| Oct | 31.8 °C | +2.3 °C | 20 mm | -37 mm |
| Nov | 29.0 °C | +3.4 °C | 29 mm | -8 mm |
| Dec | 25.1 °C | +2.4 °C | 23 mm | -8 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 Valle Hermoso?
Valle Hermoso has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 23.6 °C and it receives 573 mm of precipitation per year.
What is the hottest day ever recorded in Valle Hermoso?
The hottest day measured in Valle Hermoso between 1940 and 2025 was 5 September 2000, reaching 42.1 °C.
What is the coldest day in Valle Hermoso?
The coldest day measured in Valle Hermoso between 1940 and 2025 was 23 December 1989, at -7.4 °C.
Does it snow in Valle Hermoso?
Almost never: Valle Hermoso sees virtually no snow, with about 1 frost days per year.
Has the climate of Valle Hermoso warmed?
Yes: Valle Hermoso warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Valle Hermoso?
The wettest day measured in Valle Hermoso between 1940 and 2025 was 20 September 1967, with 168 mm of rain in 24 hours.
What was the windiest day in Valle Hermoso?
The windiest day measured in Valle Hermoso between 1940 and 2025 was 9 August 1980, with winds reaching 75.4 km/h.
What is the warmest month in Valle Hermoso?
The warmest month in Valle Hermoso is August (29.2 °C on average); the coldest is January (16.3 °C).
How much does it rain in Valle Hermoso?
Valle Hermoso receives on average 573 mm of precipitation per year, spread over about 94 rainy days.
Is it sunny in Valle Hermoso?
Valle Hermoso gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in Valle Hermoso?
The heaviest 24-hour snowfall measured in Valle Hermoso between 1940 and 2025 was 25 December 2004, with 5.6 cm.
Are there tropical nights in Valle Hermoso?
Yes: Valle Hermoso has on average 209 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Valle Hermoso?
In Valle Hermoso, between 1940 and 2025, the highest apparent temperature reached 48.3 °C on 9 May 2024, and the lowest was -14.5 °C on 23 December 1989.
Compare Valle Hermoso with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Valle Hermoso