The highest day temperature in January 2026 was 95°F. The lowest night temperature was 59°F. The average values for day and night temperatures during January were 86.8°F и 72.5°F respectivly.

Most of the days in January are sunny but you can also expect cloudy and gloomy days.

Precipitation total in January for Mendoza is 0.9 in. It makes january the most rainy month of the year.

The average wind speed in January is 7.6 mph. It makes January one of the most windy months of the year for Mendoza.

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 Mendoza in January is 9.4 hours.