Antofagasta in Spring
In spring (September, October and November), Antofagasta sees average daytime highs around 16°C and overnight lows near 14°C, with 13 mm of rain over about 3 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 15°C in early September to 17°C by late November. The sky is clear or mostly clear about 61% of the time across spring, and the air most often feels comfortable.
Spring is Antofagasta's 3rd-best season 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
- 16°C
- 3rd-warmest season
- Avg overnight low
- 14°C
- Rainfall
- 13 mm
- 3 wet days
- Avg wind
- 12 km/h
- Travel score
- 6.2
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Antofagasta in Spring
Over the season highs climb from about 15°C in early September to 17°C by late November.
A typical spring day in Antofagasta reaches about 16°C and drops to 14°C overnight. The warmest of the three months is November, the coolest September.
Antofagasta weather by month
How the three spring months (September, October and November) 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 Spring
The sky is clear or mostly clear about 61% of the time across spring.
Chance of precipitation in Spring
Antofagasta gets around 13 mm of rain over 3 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 12 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early September to 13 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 7.3 kWh/m².
Is spring a good time to visit Antofagasta?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Antofagasta for sightseeing.
What to pack for Antofagasta in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Antofagasta sees daytime highs around 16°C and nights near 14°C. Pack sun protection. Worth having: a warm layer.
Sea temperature near Antofagasta in Spring
The nearest coast averages about 16°C across spring — 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 Spring
Clear-sky midday UV across spring 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 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 Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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.