Antofagasta weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Excellent
Best time to visit: January – December
What is the weather like in Antofagasta in January?
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.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 100 | 100 | 100 |
| Day | 21° | 23° | 23° |
| Night | 15° | 16° | 17° |
| Sea | 19° | 20° | 20° |
| Sun | 11 h | 10 h | 10 h |
| Rain days | 0 | 0 | 0 |
More details for January
- Daylight
- 13 h 26 min07:07 – 20:33
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 39 %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 January
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
Antofagasta in January: quick answers
Is Antofagasta hot in January?
Warm rather than hot: in January, daytime highs in Antofagasta average 23 °C and nights cool to about 16 °C.
Can you swim in Antofagasta in January?
Only if you don't mind cold water: in January the sea averages just 19.8 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Antofagasta in January?
It hardly ever rains.
Antofagasta month by month
The whole year in AntofagastaAll destinations: ChileWhere to go in JanuarySea temperature in January
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