Weather in Antofagasta in October 2025
Average weather
Average temperature in Antofagasta in October
The temperature in October is +21°C on average, with a range between a maximum of +23°C during the day and a minimum of +14°C at night.
The average maximum temperature goes up 11% by the end of the month, compared with the beginning of the month, from +21°C to +22°C.
Is Antofagasta warm or cold in October?
Antofagasta is typically mild in October.
Maximum temperatures go up compared to the previous month from +20°C to +21°C. The minimum temperature also goes up from +14°C to +15°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Antofagasta:
Water temperature in Antofagasta in October
Water in Antofagasta in October is Cold. It varies from +15°C to +17°C, with an average of +16°C. The air temperature averaging +21°C is higher than the water temperature.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Antofagasta in October?
Climate in Antofagasta in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +20°C | +21°C | +22°C | ||||
| Min. temperature | ||||||
| +9°C | +12°C | +13°C | ||||
| Max. temperature | ||||||
| +26°C | +24°C | +25°C | ||||
| Rainfall | ||||||
| 5 mm | 4 mm | 3 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +15°C | +16°C | +17°C | ||||
| Humidity | ||||||
| 91% | 91% | 91% | ||||
| Air pressure | ||||||
| 1015 HPa | 1014 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 12 | 10 | 10 | ||||
| Cloudy days | ||||||
| 10 | 12 | 13 | ||||
| Rainy days | ||||||
| 8 | 9 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as good as in September. It’s getting warmer as October arrives. The average maximum temperature goes up from +20°C to +21°C during the day. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 5 mm to 4 mm. Humidity levels don’t change as the month goes on, averaging around 91%. The average wind speed doesn’t change much during October, staying around 2 m/s. The days becoming less sunny, going from 12 sunny days in September to 10 in October.
November brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Antofagasta is gradually increasing during October, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last October in Antofagasta?
Climate Change over Years
The climate in Antofagasta in October has not changed much over the last 43 years.
The average temperature was the lowest in 2022 (+21°C) and the highest in 1997 (+23°C). The driest year was 1980 with only 25 mm of rainfall, and the wettest year was 1991 with 128 mm.
FAQ
Is October a good time to visit Antofagasta?
Can you sunbathe in Antofagasta in October?
Can you swim in Antofagasta in October?
Is Antofagasta rainy in October?
Is it sunny in Antofagasta in October?
Other cities in Chile
Monthly weather in Antofagasta
Source of the data
For this page, we’ve looked at the typical weather in Antofagasta, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.