Río Blanco climate — normals and trends
Río Blanco (Mexico) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 14.2 °C and it receives 1,173 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 (16.2 °C on average) and the coldest is January (11.3 °C). Rainfall peaks in June.
Río Blanco averages 1 frost days, 0 hot days (≥ 30 °C) and 183 rainy days per year.
Río Blanco has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.5 °C (on 8 May 1998) and the coldest -3.4 °C (on 25 February 1976).
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
Río BlancoVeracruz
- coords
- 18.83°, -97.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.2°C
Average daily high
20.1°C
Average daily low
9.2°C
Annual rainfall
1,173mm
Sunshine / day
10.8h
Mean relative humidity
77%
Average peak wind
11.1km/h
Seasonal range
4.9°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
183 d/yr
Annual snowfall
0.0 cm
Average feels-like high
20.3 °C
Average feels-like low
7.8 °C
Average peak gust
38.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.76 · 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
30.5 °C
8 May 1998
Coldest day
-3.4 °C
25 February 1976
Wettest day
157 mm
7 June 1952
Windiest day
25.2 km/h
4 March 1983
Strongest gust
94.7 km/h
9 March 2016
Hottest feels-like
33.1 °C
24 May 2024
Coldest feels-like
-7.2 °C
31 January 1966
Snowiest day
0.6 cm
5 March 1987
Sunniest day
13.0 h
28 May 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 | 18.9 °C | +1.3 °C | 34 mm | -6 mm |
| Feb | 20.6 °C | +1.3 °C | 52 mm | +7 mm |
| Mar | 23.4 °C | +1.9 °C | 56 mm | -13 mm |
| Apr | 22.8 °C | +0.2 °C | 51 mm | -60 mm |
| May | 23.9 °C | +1.7 °C | 223 mm | +72 mm |
| Jun | 20.9 °C | 0.0 °C | 288 mm | +98 mm |
| Jul | 21.8 °C | +1.5 °C | 67 mm | -38 mm |
| Aug | 23.0 °C | +2.1 °C | 84 mm | -20 mm |
| Sep | 22.6 °C | +2.4 °C | 157 mm | -8 mm |
| Oct | 21.3 °C | +1.9 °C | 157 mm | +54 mm |
| Nov | 20.4 °C | +2.0 °C | 33 mm | -22 mm |
| Dec | 18.8 °C | +1.2 °C | 85 mm | +48 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 Río Blanco?
Río Blanco has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 14.2 °C and it receives 1,173 mm of precipitation per year.
What is the hottest day ever recorded in Río Blanco?
The hottest day measured in Río Blanco between 1940 and 2025 was 8 May 1998, reaching 30.5 °C.
What is the coldest day in Río Blanco?
The coldest day measured in Río Blanco between 1940 and 2025 was 25 February 1976, at -3.4 °C.
Does it snow in Río Blanco?
Almost never: Río Blanco sees virtually no snow, with about 1 frost days per year.
Has the climate of Río Blanco warmed?
Yes: Río Blanco warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Río Blanco?
The wettest day measured in Río Blanco between 1940 and 2025 was 7 June 1952, with 157 mm of rain in 24 hours.
What was the windiest day in Río Blanco?
The windiest day measured in Río Blanco between 1940 and 2025 was 4 March 1983, with winds reaching 25.2 km/h.
What is the warmest month in Río Blanco?
The warmest month in Río Blanco is May (16.2 °C on average); the coldest is January (11.3 °C).
How much does it rain in Río Blanco?
Río Blanco receives on average 1,173 mm of precipitation per year, spread over about 183 rainy days.
Is it sunny in Río Blanco?
Río Blanco gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
What is the biggest single-day snowfall in Río Blanco?
The heaviest 24-hour snowfall measured in Río Blanco between 1940 and 2025 was 5 March 1987, with 0.6 cm.
Are there tropical nights in Río Blanco?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Río Blanco.
What was the most extreme apparent temperature in Río Blanco?
In Río Blanco, between 1940 and 2025, the highest apparent temperature reached 33.1 °C on 24 May 2024, and the lowest was -7.2 °C on 31 January 1966.
Compare Río Blanco with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Río Blanco