Antofagasta in Fall
In fall (March, April and May), Antofagasta sees average daytime highs around 18°C and overnight lows near 16°C, with 23 mm of rain over about 7 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 20°C in early March to 16°C by late May. The sky is clear or mostly clear about 57% of the time across fall, and the air most often feels humid.
Fall is Antofagasta's 2nd-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
- 18°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 23 mm
- 7 wet days
- Avg wind
- 11 km/h
- Travel score
- 7.1
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Antofagasta in Fall
Over the season highs ease from about 20°C in early March to 16°C by late May.
A typical fall day in Antofagasta reaches about 18°C and drops to 16°C overnight. The warmest of the three months is March, the coolest May.
Antofagasta weather by month
How the three fall months (March, April and May) 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 Fall
The sky is clear or mostly clear about 57% of the time across fall.
Chance of precipitation in Fall
Antofagasta gets around 23 mm of rain over 7 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 11 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 30 min in early March to 10 h 42 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.4 kWh/m².
Is fall a good time to visit Antofagasta?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is one of the better times to visit Antofagasta for general sightseeing.
What to pack for Antofagasta in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Antofagasta sees daytime highs around 18°C and nights near 16°C. Pack sun protection. Worth having: a warm layer. About 7 days see rain.
Sea temperature near Antofagasta in Fall
The nearest coast averages about 18°C across fall — 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 Fall
Clear-sky midday UV across fall averages around 9 (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 Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall 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.