Thermopolis Weather in May
May in Thermopolis averages 21°C (70°F) during the day and 5°C (41°F) at night. It is the wettest month of the year, with 77 mm (3 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Thermopolis in May
As the rainiest month, carrying an umbrella is advisable to manage the frequent rain. Analyzing past climate data, one can expect approximately 12 days of rain, averaging 77 mm (3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Thermopolis in May
May is one of the better months to visit Thermopolis. Expect 21°C (70°F) during the day and 5°C (41°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Thermopolis.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Thermopolis's climate page.
Thermopolis Temperature in May
Min Temperature
5°C (41°F)
Max Temperature
21°C (70°F)
Chance of Rain
40%
Precipitation
77 mm (3 in)
Rainy days
12 days
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Thermopolis in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Thermopolis in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Thermopolis's climate page.
See the full Thermopolis climate overview or explore weather in the United States of America.
