Termas de Río Hondo in Summer
In summer (December, January and February), Termas de Río Hondo sees average daytime highs around 32°C and overnight lows near 22°C, with 450 mm of rain over about 38 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 31% of the time across summer, and the air most often feels muggy.
Summer is Termas de Río Hondo's weakest season of the year to visit on our travel score. For the whole year in context, see Termas de Río Hondo's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 450 mm
- 38 wet days
- Avg wind
- 9 km/h
- Travel score
- 3.7
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Termas de Río Hondo in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in Termas de Río Hondo reaches about 32°C and drops to 22°C overnight. The warmest of the three months is December, the coolest December.
How summer really feels in Termas de Río Hondo
Once humidity and wind are folded in, summer brings about 86 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Termas de Río Hondo 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 | 33° / 23° | 173 | 13.4 | 13.5 | 3.5 |
| Feb | 31° / 22° | 137 | 11.7 | 13 | 4.2 |
| Mar | 29° / 20° | 138 | 12.7 | 12.2 | 5.2 |
| Apr | 26° / 17° | 75 | 10 | 11.4 | 6.8 |
| May | 23° / 14° | 32 | 6.2 | 10.7 | 7.5 |
| Jun | 20° / 10° | 22 | 5.1 | 10.3 | 7.3 |
| Jul | 21° / 9° | 13 | 3.1 | 10.4 | 8.0 |
| Aug | 24° / 11° | 12 | 2.3 | 11 | 8.6 |
| Sep | 27° / 15° | 27 | 4.1 | 11.8 | 7.6 |
| Oct | 30° / 18° | 66 | 8.4 | 12.7 | 5.4 |
| Nov | 31° / 20° | 90 | 10.3 | 13.4 | 4.3 |
| Dec | 33° / 22° | 140 | 12.7 | 13.7 | 3.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 31% of the time across summer.
Chance of precipitation in Summer
Termas de Río Hondo gets around 450 mm of rain over 38 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 36 min in early December to 12 h 36 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 5.9 kWh/m².
Hazard calendar for Termas de Río Hondo
In summer, Termas de Río Hondo overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Termas de Río Hondo's rainy season runs November–March, when most of the year's rain falls.
Is summer a good time to visit Termas de Río Hondo?
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 a weaker month for outdoor sightseeing in Termas de Río Hondo.
What to pack for Termas de Río Hondo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Termas de Río Hondo sees daytime highs around 32°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 38 days see rain.
UV index in Termas de Río Hondo in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Termas de Río Hondo peaks around January 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 14 | 12 | 7 | 6 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 7 | Very high |
| May | 6 | High |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Termas de Río Hondo?
Termas de Río Hondo sits at 27.5°S, 64.9°W, 260 m above sea level, in Argentina. The nearest listed city is Bella Vista, 67 km away.
Topography around Termas de Río Hondo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Termas de Río Hondo.
Within 3 km, the terrain around Termas de Río Hondo has only modest variations in elevation — a maximum elevation change of 47 m around an average of 264 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 119 m; within 80 km, significant variations in elevation — a maximum elevation change of 557 m.
The land around Termas de Río Hondo is covered by trees (40%) and artificial surfaces (28%) within 3 km, trees (32%) and shrubs (26%) within 16 km, and cropland (42%), trees (26%) and shrubs (23%) 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 Termas de Río Hondo (-27.4936°, -64.8597°, elevation 260 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.