General Guemes climate — normals and trends
General Guemes (Argentina) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 18.6 °C and it receives 786 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 January (23.1 °C on average) and the coldest is July (12.6 °C). Rainfall peaks in January.
General Guemes averages 2 frost days, 61 hot days (≥ 30 °C) and 118 rainy days per year.
General Guemes has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 1 to 3 per year over the period.
The hottest day of the period reached 42.5 °C (on 27 October 2019) and the coldest -5.2 °C (on 24 July 2009).
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
General GuemesSalta
- coords
- -24.67°, -65.05°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.6°C
Average daily high
24.4°C
Average daily low
13.9°C
Annual rainfall
786mm
Sunshine / day
8.6h
Mean relative humidity
70%
Average peak wind
9.6km/h
Seasonal range
10.5°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
61 d/yr
Rainy days (≥ 1 mm)
118 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.1 °C
Average feels-like low
14.0 °C
Average peak gust
27.2 km/h
Tropical nights (≥ 20 °C)
30 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.65 · 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
42.5 °C
27 October 2019
Coldest day
-5.2 °C
24 July 2009
Wettest day
115 mm
9 February 2016
Windiest day
32.9 km/h
30 October 2022
Strongest gust
77.8 km/h
1 October 2017
Hottest feels-like
45.0 °C
17 December 2023
Coldest feels-like
-8.8 °C
24 July 2009
Snowiest day
0.3 cm
2 June 1983
Sunniest day
13.5 h
14 December 2010
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 | 31.2 °C | +2.9 °C | 103 mm | -68 mm |
| Feb | 33.0 °C | +5.8 °C | 131 mm | -21 mm |
| Mar | 25.9 °C | +0.4 °C | 71 mm | -46 mm |
| Apr | 23.1 °C | +0.3 °C | 12 mm | -37 mm |
| May | 23.3 °C | +2.8 °C | 7 mm | -14 mm |
| Jun | 19.0 °C | 0.0 °C | 3 mm | -5 mm |
| Jul | 20.1 °C | +0.6 °C | 6 mm | -3 mm |
| Aug | 23.6 °C | +1.2 °C | 4 mm | -5 mm |
| Sep | 27.6 °C | +3.0 °C | 4 mm | -12 mm |
| Oct | 28.7 °C | +2.0 °C | 22 mm | -17 mm |
| Nov | 31.4 °C | +3.5 °C | 21 mm | -48 mm |
| Dec | 30.6 °C | +2.0 °C | 145 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 General Guemes?
General Guemes has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 18.6 °C and it receives 786 mm of precipitation per year.
What is the hottest day ever recorded in General Guemes?
The hottest day measured in General Guemes between 1940 and 2025 was 27 October 2019, reaching 42.5 °C.
What is the coldest day in General Guemes?
The coldest day measured in General Guemes between 1940 and 2025 was 24 July 2009, at -5.2 °C.
Does it snow in General Guemes?
Almost never: General Guemes sees virtually no snow, with about 2 frost days per year.
Has the climate of General Guemes warmed?
Yes: General Guemes warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in General Guemes?
The wettest day measured in General Guemes between 1940 and 2025 was 9 February 2016, with 115 mm of rain in 24 hours.
What was the windiest day in General Guemes?
The windiest day measured in General Guemes between 1940 and 2025 was 30 October 2022, with winds reaching 32.9 km/h.
What is the warmest month in General Guemes?
The warmest month in General Guemes is January (23.1 °C on average); the coldest is July (12.6 °C).
How much does it rain in General Guemes?
General Guemes receives on average 786 mm of precipitation per year, spread over about 118 rainy days.
Is it sunny in General Guemes?
General Guemes gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.
What is the biggest single-day snowfall in General Guemes?
The heaviest 24-hour snowfall measured in General Guemes between 1940 and 2025 was 2 June 1983, with 0.3 cm.
Are there tropical nights in General Guemes?
Yes: General Guemes has on average 30 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in General Guemes?
In General Guemes, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 17 December 2023, and the lowest was -8.8 °C on 24 July 2009.
Compare General Guemes with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around General Guemes