The highest day temperature in January 2026 was 101°F. The lowest night temperature was 49°F. The average values for day and night temperatures during January were 92.7°F и 55.3°F respectivly.

Almost all days in January are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in January for Chillan is 0.1 in. It makes january one of the least rainy months of the year.

The average wind speed in January is 7.5 mph. It makes January one of the most windy months of the year for Chillan.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Chillan in January is 13.3 hours.