The highest day temperature in January 2026 was 55°F. The lowest night temperature was 14°F. The average values for day and night temperatures during January were 40.0°F и 26.4°F respectivly.

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

Precipitation total in January for Twin Falls is 0.5 in.

The average wind speed in January is 7.7 mph. This value is relatively stable throughout the year.

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 Twin Falls in January is 4.9 hours.