The highest day temperature in January 2026 was 103°F. The lowest night temperature was 70°F. The average values for day and night temperatures during January were 97.4°F и 75.3°F respectivly.

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

Precipitation total in January for Petrolina is 0.9 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 9.7 mph. It makes January the most windless month of the year for Petrolina.

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 Petrolina in January is 7.0 hours.