Nueva Rosita climate — normals and trends
Nueva Rosita (Mexico) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 22.3 °C and it receives 434 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 (30.2 °C on average) and the coldest is January (12.4 °C). Rainfall peaks in September.
Nueva Rosita averages 3 frost days, 182 hot days (≥ 30 °C) and 62 rainy days per year.
Nueva Rosita has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.8 °C (on 28 June 1957) and the coldest -9.3 °C (on 25 December 1983).
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
Nueva RositaCoahuila
- coords
- 27.94°, -101.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.3°C
Average daily high
28.7°C
Average daily low
16.6°C
Annual rainfall
434mm
Sunshine / day
10.0h
Mean relative humidity
56%
Average peak wind
18.6km/h
Seasonal range
17.8°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
182 d/yr
Rainy days (≥ 1 mm)
62 d/yr
Annual snowfall
0.4 cm
Average feels-like high
28.5 °C
Average feels-like low
16.3 °C
Average peak gust
33.9 km/h
Tropical nights (≥ 20 °C)
155 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.36 · 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
46.8 °C
28 June 1957
Coldest day
-9.3 °C
25 December 1983
Wettest day
316 mm
7 September 1986
Windiest day
52.6 km/h
22 October 2007
Strongest gust
89.3 km/h
10 August 1980
Hottest feels-like
47.7 °C
18 June 2023
Coldest feels-like
-14.6 °C
11 January 1962
Snowiest day
5.0 cm
28 November 2001
Sunniest day
13.7 h
29 June 1942
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 | 17.0 °C | -2.3 °C | 6 mm | -9 mm |
| Feb | 25.0 °C | +2.8 °C | 1 mm | -16 mm |
| Mar | 30.8 °C | +4.3 °C | 12 mm | -6 mm |
| Apr | 34.3 °C | +3.6 °C | 8 mm | -22 mm |
| May | 36.0 °C | +2.4 °C | 72 mm | +17 mm |
| Jun | 37.8 °C | +2.0 °C | 12 mm | -35 mm |
| Jul | 35.9 °C | -0.2 °C | 64 mm | +19 mm |
| Aug | 38.5 °C | +2.5 °C | 30 mm | -23 mm |
| Sep | 34.4 °C | +2.1 °C | 45 mm | -35 mm |
| Oct | 32.6 °C | +4.1 °C | 4 mm | -41 mm |
| Nov | 28.1 °C | +4.7 °C | 8 mm | -8 mm |
| Dec | 23.7 °C | +3.6 °C | 6 mm | -7 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 Nueva Rosita?
Nueva Rosita has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 22.3 °C and it receives 434 mm of precipitation per year.
What is the hottest day ever recorded in Nueva Rosita?
The hottest day measured in Nueva Rosita between 1940 and 2025 was 28 June 1957, reaching 46.8 °C.
What is the coldest day in Nueva Rosita?
The coldest day measured in Nueva Rosita between 1940 and 2025 was 25 December 1983, at -9.3 °C.
Does it snow in Nueva Rosita?
Almost never: Nueva Rosita sees virtually no snow, with about 3 frost days per year.
Has the climate of Nueva Rosita warmed?
Yes: Nueva Rosita warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nueva Rosita?
The wettest day measured in Nueva Rosita between 1940 and 2025 was 7 September 1986, with 316 mm of rain in 24 hours.
What was the windiest day in Nueva Rosita?
The windiest day measured in Nueva Rosita between 1940 and 2025 was 22 October 2007, with winds reaching 52.6 km/h.
What is the warmest month in Nueva Rosita?
The warmest month in Nueva Rosita is July (30.2 °C on average); the coldest is January (12.4 °C).
How much does it rain in Nueva Rosita?
Nueva Rosita receives on average 434 mm of precipitation per year, spread over about 62 rainy days.
Is it sunny in Nueva Rosita?
Nueva Rosita gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nueva Rosita?
The heaviest 24-hour snowfall measured in Nueva Rosita between 1940 and 2025 was 28 November 2001, with 5.0 cm.
Are there tropical nights in Nueva Rosita?
Yes: Nueva Rosita has on average 155 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nueva Rosita?
In Nueva Rosita, between 1940 and 2025, the highest apparent temperature reached 47.7 °C on 18 June 2023, and the lowest was -14.6 °C on 11 January 1962.
Compare Nueva Rosita with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nueva Rosita