Great Falls weather in May (Montana, United States of America)
Looking to travel to Great Falls in May? This guide provides all the details you need.
In May, Great Falls generally has moderate temperatures and moderate rainfall. Daytime temperatures hover around 18°C, while nights can cool down to about 4°C.
Great Falls in May usually receives moderate rainfall, averaging around 67 mm for the month. It is the wettest month of the year, so an umbrella might come in handy. When we look at the climate data from the last 30 years, we can expect around 12 days of rain.
With around 289 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.
If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Great Falls climate page with graphs.
Great Falls, monthly averages in May
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.
So, what should you wear in this month?
For visitors traveling to Great Falls, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in May.
Interested in more climate information?
This site provides you with all the information you need about the climate in Great Falls.
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.