Tandil in Summer
In summer (December, January and February), Tandil sees average daytime highs around 26°C and overnight lows near 14°C, with 229 mm of rain over about 26 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 50% of the time across summer, and the air most often feels dry.
Summer is Tandil's best season of the year to visit on our travel score. For the whole year in context, see Tandil's year-round climate.
- Avg daytime high
- 26°C
- warmest season of the year
- Avg overnight low
- 14°C
- Rainfall
- 229 mm
- 26 wet days
- Avg wind
- 14 km/h
- Travel score
- 7.1
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Tandil in Summer
Across summer, daytime highs hold fairly steady around 26°C.
A typical summer day in Tandil reaches about 26°C and drops to 14°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Tandil
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Tandil weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 15° | 81 | 9.1 | 14.3 | 6.9 |
| Feb | 26° / 14° | 72 | 8 | 13.4 | 7.1 |
| Mar | 24° / 13° | 74 | 8 | 12.3 | 7.3 |
| Apr | 20° / 9° | 81 | 7.6 | 11.1 | 6.7 |
| May | 16° / 7° | 42 | 5.6 | 10 | 5.4 |
| Jun | 13° / 4° | 41 | 4.8 | 9.5 | 3.9 |
| Jul | 12° / 3° | 40 | 5.3 | 9.7 | 3.5 |
| Aug | 14° / 4° | 51 | 5.6 | 10.6 | 4.6 |
| Sep | 16° / 6° | 59 | 7 | 11.7 | 5.4 |
| Oct | 19° / 8° | 85 | 9.5 | 13 | 6.2 |
| Nov | 23° / 10° | 91 | 9.6 | 14 | 7.0 |
| Dec | 26° / 13° | 76 | 8.6 | 14.5 | 7.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 50% of the time across summer.
Chance of precipitation in Summer
Tandil gets around 229 mm of rain over 26 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 24 min in early December to 12 h 54 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.1 kWh/m².
Is summer a good time to visit Tandil?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Tandil for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tandil in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Tandil sees daytime highs around 26°C and nights near 14°C. Pack light clothes and sun protection. Worth having: rain gear. About 26 days see rain.
UV index in Tandil in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tandil peaks around January 1 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 11 | 9 | 6 | 3 | 2 | 3 | 3 | 5 | 7 | 10 | 12 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | Moderate | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 11 | Extreme |
| Mar | 9 | Very high |
| Apr | 6 | High |
| May | 3 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 3 | Moderate |
| Sep | 5 | Moderate |
| Oct | 7 | Very high |
| Nov | 10 | Extreme |
| Dec | 12 | Extreme |
Where is Tandil?
Tandil sits at 37.3°S, 59.1°W, 207 m above sea level, in Argentina. The nearest listed city is Ayacucho, 61 km away.
Topography around Tandil
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tandil.
Within 3 km, the terrain around Tandil has only modest variations in elevation — a maximum elevation change of 141 m around an average of 209 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 353 m; within 80 km, significant variations in elevation — a maximum elevation change of 467 m.
The land around Tandil is covered by artificial surfaces (50%) and grassland (31%) within 3 km, cropland (53%) and grassland (37%) within 16 km, and cropland (51%) and grassland (48%) within 80 km.
Argentina travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / I
- 220 V · 50 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $14,898
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Homicide rate
- 4.5
- per 100k, 2023
- Road deaths
- 14.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 575
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Tandil (-37.3287°, -59.1369°, elevation 207 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.