AI-generatedAntofagasta at a glance
- Best time
- All year
- Warmest month
- Feb · 23°
- Warmest sea
- Feb · 19.9°
- Sunshine a year
- 3,170 h
- Rain a year
- 18 mm
- Climate
- Dry subtropical
- Time zone
- UTC−3 / UTC−4
- Elevation
- 276 m
Climate in Antofagasta
Antofagasta has a dry subtropical climate: mild to warm all year, with very little rain. February is the warmest month with average highs of 23 °C, while July is the coolest at 18 °C. With around 3,170 hours of sunshine a year, Antofagasta is very sunny; December is the sunniest month with 10.5 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: January – December
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 13°
- Midday, 13:00: about 18°
- Afternoon, 16:00: about 19°
- Evening, 20:00: about 17°
- Night, 23:00: about 15°
07:0919:45
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:55–07:39 · evening 19:15–19:59
- Blue hour
- Morning 06:46–06:55 · evening 19:59–20:08
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Antofagasta in October?
In October, Antofagasta is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 16.0 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, October is an excellent month for a holiday in Antofagasta.
More details for October
- Daylight
- 12 h 36 min07:09 – 19:45
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 35 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−3America/Santiago
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Sea temperature in Antofagasta
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 15.3 – 16.8 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Antofagasta ranges from 15.2 °C in August to 19.9 °C in February. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
The sea temperature varies from year to year: in February, eight out of ten years were between 18.6 and 21.5 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 19.8° | 18.7° | 20.8° | fresh |
| FebruaryFeb | 19.9° | 18.6° | 21.5° | fresh |
| MarchMar | 18.9° | 17.2° | 20.5° | fresh |
| AprilApr | 17.7° | 16.2° | 18.9° | fresh |
| MayMay | 16.8° | 15.5° | 18.1° | cold |
| JuneJun | 16.0° | 14.8° | 17.0° | cold |
| JulyJul | 15.3° | 14.3° | 16.1° | cold |
| AugustAug | 15.2° | 14.2° | 16.0° | cold |
| SeptemberSep | 15.3° | 14.5° | 16.6° | cold |
| OctoberOct | 16.0° | 15.3° | 16.8° | cold |
| NovemberNov | 17.4° | 16.7° | 18.0° | fresh |
| DecemberDec | 18.6° | 17.5° | 19.5° | fresh |
Sunshine hours in Antofagasta
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 9.5 of 12.6 hours of daylight in Antofagasta, 75 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Antofagasta
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 11 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.
The sun is strongest in December (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 10 min
- Fair skin
- about 15 min
- Light brown skin
- about 20 min
- Olive skin
- about 25 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Antofagasta: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, it hardly ever rains in Antofagasta: 1 mm in the whole month.
Wind and clouds in Antofagasta
How breezy and how cloudy Antofagasta is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Antofagasta typically peaks at 17 km/h during the day: Beaufort 3, light breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 35 % of the sky over Antofagasta: mostly sunny, with about 9.5 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Antofagasta
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 12°. A duvet at night and a jumper for the evening.
The coolest nights are in July (11°), the warmest in February (17°). Nights are pleasant for sleeping (15 to 20 °C) from December to April.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 100 | 23° | 16° | 19.8° | 10.2 h | 0 | 0 |
| FebruaryFeb | 100 | 23° | 17° | 19.9° | 9.5 h | 0 | 1 |
| MarchMar | 100 | 22° | 16° | 18.9° | 8.9 h | 0 | 1 |
| AprilApr | 95 | 21° | 15° | 17.7° | 7.6 h | 0 | 2 |
| MayMay | 94 | 19° | 13° | 16.8° | 7.1 h | 0 | 3 |
| JuneJun | 93 | 18° | 12° | 16.0° | 7.0 h | 1 | 3 |
| JulyJul | 93 | 18° | 11° | 15.3° | 7.1 h | 1 | 3 |
| AugustAug | 96 | 18° | 11° | 15.2° | 7.9 h | 1 | 2 |
| SeptemberSep | 99 | 19° | 12° | 15.3° | 8.6 h | 0 | 1 |
| OctoberOct | 100 | 19° | 12° | 16.0° | 9.5 h | 0 | 1 |
| NovemberNov | 100 | 20° | 13° | 17.4° | 10.2 h | 0 | 1 |
| DecemberDec | 100 | 21° | 15° | 18.6° | 10.5 h | 0 | 1 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
23.65° S, 70.40° W · 276 m · America/Santiago
Best time to visit Antofagasta
The best time to visit Antofagasta is all year round. The sea stays too cool for a classic beach holiday: even in February it only reaches 19.9 °C. For sightseeing, day trips and hiking, the weather is pleasant all year round. Rain is a rarity all year: only 18 mm fall in an average year.
Antofagasta through the seasons
How the weather changes over the seasons, with averages for each.
Antofagasta in spring
Sep – Nov
Excellent
- 19–20 °C by day
- Sea 16 °C
- 9 h of sun a day
- 0 rainy days in all
Antofagasta in summer
Dec – Feb
Excellent
- 21–23 °C by day
- Sea 19 °C
- 10 h of sun a day
- 0 rainy days in all
Antofagasta in autumn
Mar – May
Excellent
- 19–22 °C by day
- Sea 18 °C
- 8 h of sun a day
- 1 rainy days in all
Antofagasta in winter
Jun – Aug
Excellent
- 18 °C by day
- Sea 16 °C
- 7 h of sun a day
- 2 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Antofagasta for you.
Your best months: December – February
Based on the climate averages; tap a month to see its details.
Compare two months in Antofagasta
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and January bring similar holiday weather to Antofagasta (score 100 and 100). In January, days are 4 °C warmer than in October. The sea is 4 °C warmer in January. The sun shines an hour longer a day in January.
| Month | October | January |
|---|---|---|
| Weather score | 100 | 100 |
| Day high | 19° | 23° |
| Night low | 12° | 16° |
| Sea | 16.0° | 19.8° |
| Sunshine | 9.5 h | 10.2 hbetter |
| Rainy days | 0 | 0 |
| Rainfall | 1 mm | 0 mm |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
All year
15–28 °C and not too much rain
Antofagasta month by month
The typical weather for every month at a glance.
100January23° · Sea 20° · 10 h
In January, Antofagasta is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 19.8 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, January is an excellent month for a holiday in Antofagasta.
Antofagasta in January100February23° · Sea 20° · 10 h
In February, Antofagasta is warm: daytime highs average 23 °C, and nights cool down to about 17 °C. The sea averages 19.9 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, February is an excellent month for a holiday in Antofagasta.
Antofagasta in February100March22° · Sea 19° · 9 h
In March, Antofagasta is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. The sea averages 18.9 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. It hardly ever rains. All in all, March is an excellent month for a holiday in Antofagasta.
Antofagasta in March95April21° · Sea 18° · 8 h
In April, Antofagasta is mild: daytime highs average 21 °C, and nights cool down to about 15 °C. The sea averages 17.7 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. It hardly ever rains. All in all, April is an excellent month for a holiday in Antofagasta.
Antofagasta in April94May19° · Sea 17° · 7 h
In May, Antofagasta is mild: daytime highs average 19 °C, and nights cool down to about 13 °C. The sea averages 16.8 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. It hardly ever rains. All in all, May is an excellent month for a holiday in Antofagasta.
Antofagasta in May93June18° · Sea 16° · 7 h
In June, Antofagasta is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. The sea averages 16.0 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. It hardly ever rains. All in all, June is an excellent month for a holiday in Antofagasta.
Antofagasta in June93July18° · Sea 15° · 7 h
In July, Antofagasta is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. The sea averages 15.3 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. It hardly ever rains. All in all, July is an excellent month for a holiday in Antofagasta.
Antofagasta in July96August18° · Sea 15° · 8 h
In August, Antofagasta is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. The sea averages 15.2 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. It hardly ever rains. All in all, August is an excellent month for a holiday in Antofagasta.
Antofagasta in August99September19° · Sea 15° · 9 h
In September, Antofagasta is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 15.3 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. It hardly ever rains. All in all, September is an excellent month for a holiday in Antofagasta.
Antofagasta in September100October19° · Sea 16° · 10 h
In October, Antofagasta is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 16.0 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, October is an excellent month for a holiday in Antofagasta.
Antofagasta in October100November20° · Sea 17° · 10 h
In November, Antofagasta is mild: daytime highs average 20 °C, and nights cool down to about 13 °C. The sea averages 17.4 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, November is an excellent month for a holiday in Antofagasta.
Antofagasta in November100December21° · Sea 19° · 11 h
In December, Antofagasta is warm: daytime highs average 21 °C, and nights cool down to about 15 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, December is an excellent month for a holiday in Antofagasta.
Antofagasta in DecemberAntofagasta compared
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Antofagasta vs. Potosí
In October Antofagasta has the better holiday weather (score 100 vs. 63). During the day Potosí is 4 °C cooler than Antofagasta. Potosí gets 3 fewer hours of sunshine a day.
| in October | Antofagasta | Potosí |
|---|---|---|
| Holiday score | 100 | 63 |
| Daytime high | 19° | 15° |
| Sea | 16° | – |
| Sunshine | 10 h | 7 h |
| Rainy days | 0 | 11 |
| Best time | All year | May – Oct |
Through the year
Chile in October: the best places
In October, Antofagasta ranks 1 of 5 destinations in this country.
- AntofagastaThis page19°16°100
- 2Valparaíso18°13°96
- 3Santiago de Chile21°90
- 4Hanga Roa20°21°45
- 5Punta Arenas9°6°17
Planning a trip to Antofagasta
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Antofagasta in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Antofagasta has its best school-holiday weather during October half-term (score 100) and its weakest during May half-term (score 94).
- 97
Easter holidays
Mar – Apr
Excellent
- 21 °C by day
- Sea 18 °C
- 8.0 h of sun a day
- 0 rainy days a month
Good for: Sightseeing & walks
- 94
May half-term
May – Jun
Excellent
- 19 °C by day
- Sea 17 °C
- 7.1 h of sun a day
- 0 rainy days a month
Good for: Sightseeing & walks
- 95
Summer holidays
Jul – Aug
Excellent
- 18 °C by day
- Sea 15 °C
- 7.6 h of sun a day
- 1 rainy day a month
Good for: Sightseeing & walks
- 100
October half-term
Oct
ExcellentBest holidays
- 19 °C by day
- Sea 16 °C
- 9.5 h of sun a day
- 0 rainy days a month
Good for: Sightseeing & walks
- 100
Christmas holidays
Dec – Jan
Excellent
- 22 °C by day
- Sea 19 °C
- 10.4 h of sun a day
- 0 rainy days a month
Good for: Sightseeing & walks
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 13 h 30 min
- Distance
- 10,760 km
- Time zone
- UTC−3
- Jet lag
- About 3 days (4 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Antofagasta
When is the best time to visit Antofagasta?
The best time to visit Antofagasta is all year round. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Antofagasta?
The sea temperature in Antofagasta ranges from 15.2 °C in August to 19.9 °C in February. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Antofagasta in October?
Only if you don't mind cold water: in October the sea averages just 16.0 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Antofagasta?
February is the warmest month, with average highs of 23 °C and nights around 17 °C. July is the coolest month at 18 °C.
When does it rain most in Antofagasta?
Rain is a rarity all year: only 18 mm fall in an average year.
How many hours of sunshine does Antofagasta get?
Antofagasta gets around 3,170 hours of sunshine a year. The sunniest month is December with 10.5 hours a day; in June there are 7.0 hours a day.
What time zone is Antofagasta in?
Antofagasta uses the time zone America/Santiago: UTC−3 in January and UTC−4 in July.
How long is the flight from London to Antofagasta?
A nonstop flight from London to Antofagasta takes about 13 h 30 min, for a straight-line distance of about 10,760 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Antofagasta?
Antofagasta has its best school-holiday weather during October half-term (score 100) and its weakest during May half-term (score 94). Holiday ratings (0–100): Easter holidays 97, May half-term 94, Summer holidays 95, October half-term 100, Christmas holidays 100.
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