Río Gallegos in Winter
In winter (June, July and August), Río Gallegos sees average daytime highs around 6°C and overnight lows near -0°C, with 64 mm of precipitation over about 17 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 6°C in early June to 9°C by late August. The sky is clear or mostly clear about 33% of the time across winter, and the air most often feels dry.
Winter is Río Gallegos's weakest season of the year to visit on our travel score. For the whole year in context, see Río Gallegos's year-round climate.
- Avg daytime high
- 6°C
- coldest season of the year
- Avg overnight low
- -0°C
- Precipitation
- 64 mm
- 17 wet days
- Avg wind
- 19 km/h
- Travel score
- 0.5
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Río Gallegos in Winter
Over the season highs climb from about 6°C in early June to 9°C by late August.
A typical winter day in Río Gallegos reaches about 6°C and drops to -0°C overnight. The warmest of the three months is August, the coolest June.
How winter really feels in Río Gallegos
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 92 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Río Gallegos weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 18° / 8° | 42 | 10.9 | 0 | 15.9 | 5.6 |
| Feb | 18° / 8° | 34 | 8.2 | 0 | 14.4 | 5.9 |
| Mar | 16° / 7° | 37 | 9 | 0 | 12.5 | 4.9 |
| Apr | 12° / 4° | 30 | 7.4 | 0 | 10.4 | 3.5 |
| May | 8° / 1° | 26 | 5.9 | 0.4 | 8.7 | 1.7 |
| Jun | 5° / -1° | 22 | 5.8 | 1.5 | 7.7 | 0.1 |
| Jul | 5° / -1° | 21 | 5.5 | 1.5 | 8.1 | 0.2 |
| Aug | 8° / 0° | 21 | 5.3 | 1.1 | 9.6 | 1.3 |
| Sep | 11° / 2° | 21 | 6.1 | 0.6 | 11.6 | 2.7 |
| Oct | 14° / 4° | 22 | 6.6 | 0.2 | 13.6 | 4.1 |
| Nov | 16° / 6° | 31 | 9.2 | 0 | 15.4 | 4.8 |
| Dec | 17° / 7° | 48 | 12.2 | 0 | 16.3 | 5.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 33% of the time across winter.
Chance of precipitation in Winter
Río Gallegos gets around 64 mm of rain and snow over 17 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 19 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 7 h 54 min in early June to 10 h 30 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 1.2 kWh/m².
Is winter a good time to visit Río Gallegos?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Río Gallegos.
What to pack for Río Gallegos in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Río Gallegos sees daytime highs around 6°C and nights near -0°C. Pack a warm layer. Worth having: a heavy coat and a windbreaker. About 17 days see rain.
Sea temperature near Río Gallegos in Winter
The nearest coast averages about 5°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 26 km away) is warmest in February at about 11°C and coldest in August near 4°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 11 | 11 | 11 | 9 | 8 | 6 | 5 | 4 | 4 | 6 | 8 | 9 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 11 | Bracing |
| Feb | 11 | Bracing |
| Mar | 11 | Bracing |
| Apr | 9 | Bracing |
| May | 8 | Bracing |
| Jun | 6 | Bracing |
| Jul | 5 | Bracing |
| Aug | 4 | Bracing |
| Sep | 4 | Bracing |
| Oct | 6 | Bracing |
| Nov | 8 | Bracing |
| Dec | 9 | Bracing |
UV index in Río Gallegos in Winter
Clear-sky midday UV across winter averages around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Río Gallegos peaks around December 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 8 | 4 | 2 | 1 | 1 | 1 | 1 | 2 | 5 | 6 | 9 |
| Level | Very high | Very high | Moderate | Moderate | Low | Low | Low | Low | Moderate | Moderate | High | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 8 | Very high |
| Mar | 4 | Moderate |
| Apr | 2 | Moderate |
| May | 1 | Low |
| Jun | 1 | Low |
| Jul | 1 | Low |
| Aug | 1 | Low |
| Sep | 2 | Moderate |
| Oct | 5 | Moderate |
| Nov | 6 | High |
| Dec | 9 | Very high |
Where is Río Gallegos?
Río Gallegos sits at 51.6°S, 69.3°W, 1 m above sea level, in Argentina. The nearest listed city is Punta Arenas, 205 km away.
Topography around Río Gallegos
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Río Gallegos.
Within 3 km, the terrain around Río Gallegos has only modest variations in elevation — a maximum elevation change of 18 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, significant variations in elevation — a maximum elevation change of 312 m.
The land around Río Gallegos is covered by artificial surfaces (46%) and grassland (32%) within 3 km, grassland (74%) within 16 km, and grassland (70%) and water (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 Río Gallegos (-51.6253°, -69.2523°, elevation 1 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.