Trelew in Winter
In winter (June, July and August), Trelew sees average daytime highs around 13°C and overnight lows near 3°C, with 51 mm of rain over about 11 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 13°C in early June to 15°C by late August. The sky is clear or mostly clear about 45% of the time across winter, and the air most often feels dry.
Winter is Trelew's weakest season of the year to visit on our travel score. For the whole year in context, see Trelew's year-round climate.
- Avg daytime high
- 13°C
- coldest season of the year
- Avg overnight low
- 3°C
- Rainfall
- 51 mm
- 11 wet days
- Avg wind
- 17 km/h
- Travel score
- 4.1
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Trelew in Winter
Over the season highs climb from about 13°C in early June to 15°C by late August.
A typical winter day in Trelew reaches about 13°C and drops to 3°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Trelew
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 69 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Trelew 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 16° | 15 | 3 | 14.8 | 7.9 |
| Feb | 27° / 15° | 22 | 3.7 | 13.8 | 8.0 |
| Mar | 24° / 13° | 21 | 3.5 | 12.4 | 8.2 |
| Apr | 20° / 10° | 19 | 2.9 | 10.8 | 7.6 |
| May | 16° / 6° | 23 | 4 | 9.5 | 5.6 |
| Jun | 12° / 3° | 23 | 4.1 | 8.9 | 3.8 |
| Jul | 12° / 3° | 14 | 3.5 | 9.1 | 3.7 |
| Aug | 14° / 4° | 14 | 3.4 | 10.2 | 4.9 |
| Sep | 17° / 6° | 18 | 4 | 11.7 | 6.2 |
| Oct | 20° / 9° | 18 | 4.1 | 13.2 | 7.4 |
| Nov | 23° / 12° | 16 | 3.2 | 14.5 | 8.2 |
| Dec | 26° / 14° | 18 | 3 | 15.1 | 8.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 45% of the time across winter.
Chance of precipitation in Winter
Trelew gets around 51 mm of rain over 11 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 17 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 hours in early June to 10 h 54 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 2.1 kWh/m².
Is winter a good time to visit Trelew?
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 reasonable time to visit Trelew for sightseeing.
What to pack for Trelew in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Trelew sees daytime highs around 13°C and nights near 3°C. Pack a warm layer. About 11 days see rain.
Sea temperature near Trelew in Winter
The nearest coast averages about 10°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 38 km away) is warmest in February at about 17°C and coldest in August near 9°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) | 17 | 17 | 17 | 15 | 13 | 12 | 10 | 9 | 9 | 11 | 13 | 15 |
| Comfort | Cool | Cool | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 17 | Cool |
| Feb | 17 | Cool |
| Mar | 17 | Cool |
| Apr | 15 | Cool |
| May | 13 | Bracing |
| Jun | 12 | Bracing |
| Jul | 10 | Bracing |
| Aug | 9 | Bracing |
| Sep | 9 | Bracing |
| Oct | 11 | Bracing |
| Nov | 13 | Bracing |
| Dec | 15 | Bracing |
UV index in Trelew in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Trelew peaks around December 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 11 | 10 | 7 | 4 | 2 | 1 | 2 | 2 | 4 | 7 | 9 | 12 |
| Level | Extreme | Extreme | High | Moderate | Moderate | Low | Low | Moderate | Moderate | High | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 10 | Extreme |
| Mar | 7 | High |
| Apr | 4 | Moderate |
| May | 2 | Moderate |
| Jun | 1 | Low |
| Jul | 2 | Low |
| Aug | 2 | Moderate |
| Sep | 4 | Moderate |
| Oct | 7 | High |
| Nov | 9 | Very high |
| Dec | 12 | Extreme |
Where is Trelew?
Trelew sits at 43.2°S, 65.3°W, 14 m above sea level, in Argentina. The nearest listed city is Rawson, 17 km away.
Topography around Trelew
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Trelew.
Within 3 km, the terrain around Trelew has only modest variations in elevation — a maximum elevation change of 35 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, significant variations in elevation — a maximum elevation change of 336 m.
The land around Trelew is covered by artificial surfaces (51%), grassland (22%) and shrubs (20%) within 3 km, shrubs (67%) and grassland (20%) within 16 km, and shrubs (65%) and water (25%) 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 Trelew (-43.249°, -65.305°, elevation 14 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.