United StatesAverage weather for Glacier National Park in May
It's cool to moderate in May in Glacier National Park with an average temperature of 17°C. Temperatures this month range from a low of 12°C to a high of 21°C. At night, you can expect temperatures between 3°C and 10°C.
Start of May
The month of May starts in Glacier National Park with cool temps, averaging around 17°C during the day and nights around 5°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid May
By mid-May, daytime temps stay steady at around 17°C, with nights around 5°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Glacier National Park is around 20°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.
In May, there is an average of 50 mm of precipitation, spread over 9 days. Of the total precipitation, about 11 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the South.
Glacier National Park in May |
New York | ||
|---|---|---|---|
 Average temperature |
17°C | 22°C | |
 Max. temperature |
21°C | 28°C | |
| Min. temperature |
12°C | -5°C | |
 Total precipitation |
50 mm | 105 mm | |
| Rainy days |
9 days | 14 days | |
 Total snowfall |
11 cm | 0 cm | |
| Snowy days |
6 days | 0 days | |
April
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit Glacier National Park?
Looking for sun and warm weather? May isn’t a good month to be in Glacier National Park. The temperatures are too low for a warm stay this month.
Check out the climate of Glacier National Park for all months and discover the best travel time
Daily Temperature in May in Glacier National Park
This chart shows the average daily high and low temperatures in May for Glacier National Park, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Glacier National Park
The chart below shows the average daily precipitation in May for Glacier National Park, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 9 days of precipitation in Glacier National Park.
Daily Snowfall in May in Glacier National Park
This chart shows the average daily snowfall in May in Glacier National Park, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in May.
Daily UV index in May in Glacier National Park
This chart shows the average daily UV index in May in Glacier National Park, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Glacier National Park over the years
This chart shows the average temperature in May in Glacier National Park, measured in degrees Celsius, over the past few years.
Total precipitation in May in Glacier National Park over the years
This chart shows the average precipitation in May in Glacier National Park, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in May in Glacier National Park per year
This chart shows the average snowfall in May in Glacier National Park, measured in centimeters, over the past few years.
Daily weather in May for Glacier National Park
Click on any day in May to get detailed info about the usual weather on that day in Glacier National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Glacier National Park
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Average weather in Glacier National Park by month
Click on a month below to see detailed weather info for Glacier National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Glacier National Park for all months at once
