Montana Weather in May
May in Montana brings moderate temperatures around 12°C (54°F) during the day, dropping to 1°C (34°F) at night, with quite a bit of rainfall expected, averaging around 156 mm (6.1 in) for the month.
Rainfall in Montana in May
You can expect rain on roughly 19 days based on historical data, averaging 156 mm (6.1 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Montana in May
If you're visiting Montana in May, expect highs of 12°C (54°F) and overnight lows around 1°C (34°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Montana in May
Expect sunny days throughout the month, with an estimated 230 hours of sunshine. Despite the cool temperatures, the sunny skies make it a pleasant time to visit Montana.
Wind Speed in Montana in May
Wind speeds average 2 m/s (4 knots) during May. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Montana.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Montana's climate page.
Montana Temperature in May
Min Temperature
1°C (34°F)
Max Temperature
12°C (54°F)
Chance of Rain
64%
Precipitation
156 mm (6.1 in)
Rainy days
19 days
Humidity
62% *
Windspeed
2 m/s (4 knots) *
Sunshine
230 hours *
Percentage Sunshine
56% *
Best Places in Switzerland in May
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →
perfect weather
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unpleasant
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What to Wear in Montana in May
The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Montana 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 Switzerland, check out our Montana's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Montana climate overview or explore weather in Switzerland.
