Tandil climate — normals and trends
Tandil (Argentina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 14.0 °C and it receives 796 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 (21.2 °C on average) and the coldest is July (7.2 °C). Rainfall peaks in November.
Tandil averages 18 frost days, 21 hot days (≥ 30 °C) and 93 rainy days per year.
No statistically significant temperature trend emerges for Tandil between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 39.1 °C (on 14 January 2022) and the coldest -7.9 °C (on 14 June 1967).
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
TandilBuenos Aires
- coords
- -37.33°, -59.14°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.0°C
Average daily high
19.6°C
Average daily low
8.9°C
Annual rainfall
796mm
Sunshine / day
9.4h
Mean relative humidity
73%
Average peak wind
20.6km/h
Seasonal range
14.0°C
Frost days (< 0 °C)
18 d/yr
Hot days (≥ 30 °C)
21 d/yr
Rainy days (≥ 1 mm)
93 d/yr
Annual snowfall
0.1 cm
Average feels-like high
18.1 °C
Average feels-like low
6.4 °C
Average peak gust
39.0 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
16.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
39.1 °C
14 January 2022
Coldest day
-7.9 °C
14 June 1967
Wettest day
103 mm
28 June 1948
Windiest day
56.0 km/h
17 April 1990
Strongest gust
103.7 km/h
19 February 1997
Hottest feels-like
40.0 °C
1 February 1947
Coldest feels-like
-12.6 °C
14 June 1967
Snowiest day
2.9 cm
22 July 2009
Sunniest day
14.1 h
8 December 2024
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 | 28.8 °C | +1.3 °C | 26 mm | -61 mm |
| Feb | 29.1 °C | +2.6 °C | 52 mm | -20 mm |
| Mar | 23.4 °C | -0.4 °C | 106 mm | +25 mm |
| Apr | 18.8 °C | -0.9 °C | 54 mm | -14 mm |
| May | 16.8 °C | +1.1 °C | 65 mm | +14 mm |
| Jun | 12.0 °C | -0.4 °C | 22 mm | -19 mm |
| Jul | 12.1 °C | +0.1 °C | 50 mm | +9 mm |
| Aug | 14.1 °C | +0.2 °C | 62 mm | +15 mm |
| Sep | 16.8 °C | +0.6 °C | 78 mm | +20 mm |
| Oct | 20.0 °C | +0.9 °C | 127 mm | +46 mm |
| Nov | 22.1 °C | -0.6 °C | 68 mm | -21 mm |
| Dec | 28.4 °C | +2.4 °C | 90 mm | +10 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 Tandil?
Tandil has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 796 mm of precipitation per year.
What is the hottest day ever recorded in Tandil?
The hottest day measured in Tandil between 1940 and 2025 was 14 January 2022, reaching 39.1 °C.
What is the coldest day in Tandil?
The coldest day measured in Tandil between 1940 and 2025 was 14 June 1967, at -7.9 °C.
Does it snow in Tandil?
Almost never: Tandil sees virtually no snow, with about 18 frost days per year.
Has the climate of Tandil warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Tandil.
What is the wettest day in Tandil?
The wettest day measured in Tandil between 1940 and 2025 was 28 June 1948, with 103 mm of rain in 24 hours.
What was the windiest day in Tandil?
The windiest day measured in Tandil between 1940 and 2025 was 17 April 1990, with winds reaching 56.0 km/h.
What is the warmest month in Tandil?
The warmest month in Tandil is January (21.2 °C on average); the coldest is July (7.2 °C).
How much does it rain in Tandil?
Tandil receives on average 796 mm of precipitation per year, spread over about 93 rainy days.
Is it sunny in Tandil?
Tandil gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tandil?
The heaviest 24-hour snowfall measured in Tandil between 1940 and 2025 was 22 July 2009, with 2.9 cm.
Are there tropical nights in Tandil?
Yes: Tandil has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tandil?
In Tandil, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 1 February 1947, and the lowest was -12.6 °C on 14 June 1967.
Compare Tandil with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tandil