Helena weather in May (Montana, United States of America)
Curious about the May weather in Helena? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In May, Helena typically experiences moderate temperatures and moderate rainfall. Anticipate daytime temperatures around 17°C, while night temperatures can drop to 4°C.
Helena in May usually receives moderate rainfall, averaging around 59 mm for the month. Since this is the rainiest month of the year, it's a good idea to carry an umbrella just in case. Rain is expected on roughly 15 days.
The days are predominantly sunny, with an estimated total of around 282 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.
Should you favor a climate that's both dry and comfortably warm June, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Helena climate page with graphs.
Helena, monthly averages in May
Min Temperature
4°C
Max Temperature
17°C
Chance of Rain
49%
Precipitation
59 mm
Rainy days
15 days
Humidity
53%
Sunshine
282 hours
Percentage Sunshine
61%
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 Helena in May?
For visitors traveling to Helena, 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 Helena.
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.
