Yellowstone National Park weather in May (United States of America)
Curious about the May weather in Yellowstone National Park? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In May, Yellowstone National Park generally has low temperatures and moderate snow/rainfall. Anticipate daytime temperatures around 12°C, while night temperatures can drop to -3°C.
Yellowstone National Park in May usually receives moderate snow/rainfall, averaging around 66 mm for the month. When we look at the climate data from the last 30 years, we can expect around 15 days of snow/rain.
If your ideal day consists of dry skies and moderate temperatures July and August generally stand out with the best circumstances. While January, February, March, April, October, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Yellowstone National Park climate page with graphs.
Yellowstone National Park, monthly averages in May
Min Temperature
-3°C
Max Temperature
12°C
Chance of Rain
50%
Precipitation
66 mm
Rainy days
15 days
Where to go in the United States of America in May
Find out more about the weather in the United States of America in May and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Yellowstone National Park in May?
Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in May.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Yellowstone National Park.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
