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Twin Falls (ID) Weather and Climate: A Comprehensive Guide

The temperature in Twin Falls can vary greatly throughout the year. The temperatures shift from very warm to cold. Twin Falls has a dry climate with relatively low precipitation levels. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to chilly in Twin Falls. Average maximum daytime temperatures range from a very warm 33°C in July, the warmest time of the year, to a chilly 3°C during cooler months like January.

At night, temperatures typically drop to an average of around -6°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Twin Falls has a relatively dry climate with low precipitation, averaging 252 mm of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives moderate snow/rainfall, averaging 35 mm of precipitation, recorded across 14 snowy/rainy days. In contrast, the drier season, July brings less rainfall, with 4.9 mm over 4 rainy days. For more details, please visit our Twin Falls Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Twin Falls (ID)

Mon   Dec 23
9°C | 1°C
W 5 m/s
2.6 mm
broken clouds and rain

broken clouds and rain

Tue   Dec 24
7°C | -1°C
NE 5 m/s
4.2 mm
overcast and  chance of slight rain

overcast and chance of slight rain

Wed   Dec 25
5°C | -4°C
W 9 m/s
2.6 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

The best time of year to visit Twin Falls in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Twin Falls?
    The hottest season / summer takes place in June, July, August and September.
  • Does Twin Falls have a dry season?
    Yes, the months of February, June, July, August and September are very dry.
  • Which is the warmest month in Twin Falls?
    July has an average maximum temperature of 33°C and is the warmest month of the year.
  • Which is the coldest month in Twin Falls?
    The coldest month is January with an average maximum temperature of 3°C.
  • Which is the wettest month in Twin Falls?
    December tops the wettest month list with 35 mm of rainfall.
  • Which is the driest month in Twin Falls?
    July is the driest month with 5 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.