Guamúchil climate — normals and trends
Guamúchil (Mexico) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 24.9 °C and it receives 526 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 June (29.6 °C on average) and the coldest is January (19.0 °C). Rainfall peaks in August.
Guamúchil averages 0 frost days, 276 hot days (≥ 30 °C) and 60 rainy days per year.
Guamúchil has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.1 °C (on 15 June 1998) and the coldest 0.5 °C (on 4 February 2011).
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
GuamúchilSinaloa
- coords
- 25.46°, -108.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.9°C
Average daily high
32.6°C
Average daily low
18.3°C
Annual rainfall
526mm
Sunshine / day
10.9h
Mean relative humidity
60%
Average peak wind
11.8km/h
Seasonal range
10.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
276 d/yr
Rainy days (≥ 1 mm)
60 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.4 °C
Average feels-like low
19.5 °C
Average peak gust
29.5 km/h
Tropical nights (≥ 20 °C)
153 d/yr
Solar radiation
21.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.22 · 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
46.1 °C
15 June 1998
Coldest day
0.5 °C
4 February 2011
Wettest day
249 mm
13 November 1991
Windiest day
50.8 km/h
29 September 1982
Strongest gust
128.9 km/h
29 September 1982
Hottest feels-like
50.3 °C
30 August 2002
Coldest feels-like
-3.3 °C
4 February 2011
Sunniest day
13.4 h
13 June 2023
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 | 27.9 °C | +0.4 °C | 11 mm | -14 mm |
| Feb | 32.0 °C | +3.1 °C | 1 mm | -11 mm |
| Mar | 32.6 °C | +1.6 °C | 0 mm | -6 mm |
| Apr | 34.4 °C | +0.6 °C | 0 mm | -3 mm |
| May | 36.6 °C | +0.6 °C | 9 mm | +8 mm |
| Jun | 37.0 °C | +0.2 °C | 18 mm | +7 mm |
| Jul | 35.3 °C | +0.1 °C | 134 mm | +20 mm |
| Aug | 35.3 °C | +1.4 °C | 180 mm | +28 mm |
| Sep | 34.4 °C | +0.7 °C | 164 mm | +50 mm |
| Oct | 35.2 °C | +1.0 °C | 36 mm | -6 mm |
| Nov | 34.6 °C | +3.0 °C | 0 mm | -24 mm |
| Dec | 32.4 °C | +4.1 °C | 3 mm | -19 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 Guamúchil?
Guamúchil has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 24.9 °C and it receives 526 mm of precipitation per year.
What is the hottest day ever recorded in Guamúchil?
The hottest day measured in Guamúchil between 1940 and 2025 was 15 June 1998, reaching 46.1 °C.
What is the coldest day in Guamúchil?
The coldest day measured in Guamúchil between 1940 and 2025 was 4 February 2011, at 0.5 °C.
Does it snow in Guamúchil?
Almost never: Guamúchil sees virtually no snow, with about 0 frost days per year.
Has the climate of Guamúchil warmed?
Yes: Guamúchil warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guamúchil?
The wettest day measured in Guamúchil between 1940 and 2025 was 13 November 1991, with 249 mm of rain in 24 hours.
What was the windiest day in Guamúchil?
The windiest day measured in Guamúchil between 1940 and 2025 was 29 September 1982, with winds reaching 50.8 km/h.
What is the warmest month in Guamúchil?
The warmest month in Guamúchil is June (29.6 °C on average); the coldest is January (19.0 °C).
How much does it rain in Guamúchil?
Guamúchil receives on average 526 mm of precipitation per year, spread over about 60 rainy days.
Is it sunny in Guamúchil?
Guamúchil gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Guamúchil?
Yes: Guamúchil has on average 153 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guamúchil?
In Guamúchil, between 1940 and 2025, the highest apparent temperature reached 50.3 °C on 30 August 2002, and the lowest was -3.3 °C on 4 February 2011.
Compare Guamúchil with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guamúchil