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Riverton (WY) Weather and Climate: A Comprehensive Guide

Riverton experiences great temperature shifts. The city's weather can transition from very warm days to very cold weather. The city has a dry climate with very low precipitation levels. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The climate in Riverton is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 32°C in July to a very cold -1°C in January.

Nighttime temperatures can drop, with average lows reaching -15°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Riverton is known for its low rain/snowfall, with yearly precipitation amounts around 224 mm. The seasons in Riverton, bring significant changes in precipitation. The wettest month, May, receives moderate rainfall, with an average of 60 mm of precipitation. This rainfall is distributed across 10 rainy days.

In contrast, the driest month, January, experiences much less snowfall, totaling 6 mm over 3 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Riverton Precipitation page.

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

Forecast for Riverton (WY)

Sun   Dec 22
7°C | -8°C
W 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Mon   Dec 23
5°C | -4°C
SW 2 m/s
broken clouds and no rain

broken clouds and no rain

Tue   Dec 24
3°C | -7°C
N 2 m/s
broken clouds and no rain

broken clouds and no rain

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

Other facts from our historical weather data:
  • When is summer in Riverton?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Riverton?
    July has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Riverton?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in Riverton?
    May tops the wettest month list with 60 mm of rainfall.
  • Which is the driest month in Riverton?
    January is the driest month with 6 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.