Nogales climate — normals and trends
Nogales (Mexico) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 17.1 °C and it receives 427 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 (25.9 °C on average) and the coldest is January (8.2 °C). Rainfall peaks in August.
Nogales averages 23 frost days, 94 hot days (≥ 30 °C) and 68 rainy days per year.
Nogales has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 33 to 13 per year over the period.
The hottest day of the period reached 42.6 °C (on 19 June 2016) and the coldest -16.4 °C (on 26 December 1987).
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
NogalesSonora
- coords
- 31.31°, -110.94°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.1°C
Average daily high
24.2°C
Average daily low
10.5°C
Annual rainfall
427mm
Sunshine / day
11.1h
Mean relative humidity
45%
Average peak wind
15.7km/h
Seasonal range
17.7°C
Frost days (< 0 °C)
23 d/yr
Hot days (≥ 30 °C)
94 d/yr
Rainy days (≥ 1 mm)
68 d/yr
Annual snowfall
8.1 cm
Average feels-like high
22.0 °C
Average feels-like low
8.2 °C
Average peak gust
36.6 km/h
Tropical nights (≥ 20 °C)
30 d/yr
Solar radiation
21.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.57 · 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
42.6 °C
19 June 2016
Coldest day
-16.4 °C
26 December 1987
Wettest day
88 mm
11 October 2000
Windiest day
48.9 km/h
21 January 2010
Strongest gust
124.6 km/h
22 January 2010
Hottest feels-like
41.8 °C
28 June 1994
Coldest feels-like
-21.4 °C
26 December 1987
Snowiest day
14.4 cm
24 December 1941
Sunniest day
13.7 h
18 June 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 | 16.1 °C | +0.7 °C | 5 mm | -30 mm |
| Feb | 22.2 °C | +5.4 °C | 0 mm | -29 mm |
| Mar | 21.4 °C | +2.1 °C | 18 mm | -8 mm |
| Apr | 24.8 °C | +1.2 °C | 3 mm | -7 mm |
| May | 29.1 °C | +0.9 °C | 1 mm | -4 mm |
| Jun | 34.6 °C | +1.5 °C | 20 mm | +11 mm |
| Jul | 32.9 °C | +1.0 °C | 96 mm | +5 mm |
| Aug | 33.7 °C | +3.4 °C | 48 mm | -49 mm |
| Sep | 30.0 °C | +0.4 °C | 74 mm | +30 mm |
| Oct | 27.0 °C | +1.4 °C | 68 mm | +43 mm |
| Nov | 22.6 °C | +2.6 °C | 32 mm | +11 mm |
| Dec | 21.7 °C | +5.7 °C | 12 mm | -24 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 Nogales?
Nogales has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 17.1 °C and it receives 427 mm of precipitation per year.
What is the hottest day ever recorded in Nogales?
The hottest day measured in Nogales between 1940 and 2025 was 19 June 2016, reaching 42.6 °C.
What is the coldest day in Nogales?
The coldest day measured in Nogales between 1940 and 2025 was 26 December 1987, at -16.4 °C.
Does it snow in Nogales?
Yes. Nogales gets on average 8.1 cm of snow per year and has around 23 frost days.
Has the climate of Nogales warmed?
Yes: Nogales warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nogales?
The wettest day measured in Nogales between 1940 and 2025 was 11 October 2000, with 88 mm of rain in 24 hours.
What was the windiest day in Nogales?
The windiest day measured in Nogales between 1940 and 2025 was 21 January 2010, with winds reaching 48.9 km/h.
What is the warmest month in Nogales?
The warmest month in Nogales is June (25.9 °C on average); the coldest is January (8.2 °C).
How much does it rain in Nogales?
Nogales receives on average 427 mm of precipitation per year, spread over about 68 rainy days.
Is it sunny in Nogales?
Nogales gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nogales?
The heaviest 24-hour snowfall measured in Nogales between 1940 and 2025 was 24 December 1941, with 14.4 cm.
Are there tropical nights in Nogales?
Yes: Nogales has on average 30 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nogales?
In Nogales, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 28 June 1994, and the lowest was -21.4 °C on 26 December 1987.
Compare Nogales with another city
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Nearby cities
The climate around Nogales