Typical Weather in Riverton, WY in May
68° F Avg High
39° F Avg Low
5 Rainy Days
☀️ Temperature Summary
May is one of the warmer months of the year for Riverton, with highs averaging around 68°F. Lows overnight are typically around 39°F. Temperatures will generally increase as the month goes on, with daily high temperatures ranging between 64°F and 75°F.
May is a great time to visit Riverton, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 15% chance of rain for any given day in May. It's one of the rainier months of the year for Riverton, with total rainfall for the month around 2 inches.
Rainfall Throughout the Year
Planning a trip to Riverton? Try our free trip weather planner