Antofagasta in Winter
In winter (June, July and August), Antofagasta sees average daytime highs around 15°C and overnight lows near 13°C, with 30 mm of rain over about 10 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 15°C. The sky is clear or mostly clear about 56% of the time across winter, and the air most often feels dry.
Winter is Antofagasta's weakest season of the year to visit on our travel score. Antofagasta has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Antofagasta's year-round climate.
- Avg daytime high
- 15°C
- coldest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 30 mm
- 10 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.7
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Antofagasta in Winter
Across winter, daytime highs hold fairly steady around 15°C.
A typical winter day in Antofagasta reaches about 15°C and drops to 13°C overnight. The warmest of the three months is June, the coolest August.
Antofagasta 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 | 20° / 18° | 2 | 0.1 | 13.3 | 8.1 |
| Feb | 20° / 18° | 2 | 0.5 | 12.8 | 8.2 |
| Mar | 19° / 17° | 4 | 0.6 | 12.2 | 8.0 |
| Apr | 18° / 16° | 9 | 2.8 | 11.5 | 7.1 |
| May | 17° / 15° | 10 | 3.9 | 10.9 | 6.3 |
| Jun | 16° / 14° | 13 | 4 | 10.6 | 5.9 |
| Jul | 15° / 13° | 10 | 3.8 | 10.7 | 5.6 |
| Aug | 15° / 13° | 8 | 2.6 | 11.2 | 5.6 |
| Sep | 15° / 13° | 5 | 1.8 | 11.9 | 5.8 |
| Oct | 16° / 13° | 5 | 0.9 | 12.6 | 6.1 |
| Nov | 17° / 15° | 4 | 0.7 | 13.1 | 6.8 |
| Dec | 18° / 16° | 2 | 0.1 | 13.4 | 7.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 56% of the time across winter.
Chance of precipitation in Winter
Antofagasta gets around 30 mm of rain over 10 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 10 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 42 min in early June to 11 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 4.4 kWh/m².
Is winter a good time to visit Antofagasta?
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 Antofagasta for sightseeing.
What to pack for Antofagasta in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Antofagasta sees daytime highs around 15°C and nights near 13°C. Worth packing: a warm layer and sun protection. About 10 days see rain.
Sea temperature near Antofagasta in Winter
The nearest coast averages about 16°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in January at about 20°C and coldest in August near 15°C.
It's comfortable for a long swim from Jan 16 to Feb 17 — about 1.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 20 | 20 | 19 | 18 | 17 | 16 | 15 | 15 | 15 | 16 | 18 | 19 |
| Comfort | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 20 | Refreshing |
| Feb | 20 | Refreshing |
| Mar | 19 | Cool |
| Apr | 18 | Cool |
| May | 17 | Cool |
| Jun | 16 | Cool |
| Jul | 15 | Cool |
| Aug | 15 | Cool |
| Sep | 15 | Cool |
| Oct | 16 | Cool |
| Nov | 18 | Cool |
| Dec | 19 | Cool |
UV index in Antofagasta in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Antofagasta peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (high).
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 | 15 | 12 | 9 | 7 | 6 | 5 | 8 | 10 | 12 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 12 | Extreme |
| Apr | 9 | Very high |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 8 | Very high |
| Sep | 10 | Very high |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Antofagasta in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Antofagasta is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (March, 7 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Antofagasta's WHO annual average of 12 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 8 | 7 | 10 | 16 | 17 | 19 | 17 | 14 | 11 | 10 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 7 | Good |
| Apr | 10 | Good |
| May | 16 | Moderate |
| Jun | 17 | Moderate |
| Jul | 19 | Moderate |
| Aug | 17 | Moderate |
| Sep | 14 | Moderate |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 8 | Good |
Where is Antofagasta?
Antofagasta sits at 23.7°S, 70.4°W, 276 m above sea level, in Chile. The nearest listed city is Tocopilla, 175 km away.
Topography around Antofagasta
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Antofagasta.
Within 3 km, the terrain around Antofagasta has significant variations in elevation — a maximum elevation change of 487 m around an average of 103 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,138 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,608 m.
The land around Antofagasta is covered by water (40%), artificial surfaces (30%) and bare terrain (30%) within 3 km, bare terrain (54%) and water (42%) within 16 km, and bare terrain (68%) and water (32%) within 80 km.
Chile travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 220 V · 50 Hz
- Prices
- ≈ 48% of US
- price level, 2025
- GDP per capita
- $17,995
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 6.3
- per 100k, 2023
- Road deaths
- 14.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 517
- 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 Antofagasta (-23.6509°, -70.3975°, elevation 276 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.