May weather forecast
East Glacier Park, MT

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Colorful red cliffs and rocks, scenic pine forests, and far hills near the glorious white waterfall in the East Glacier Park, Montana
Colorful red cliffs and rocks, scenic pine forests, and far hills near the glorious white waterfall in the East Glacier Park, Montana

Weather in May

May brings substantial warmth to East Glacier Park, initiating the countdown to summer. The easing frost gives way to temperatures between 32.4°F (0.2°C) to 53.4°F (11.9°C). Greenery adorns the landscape as flora flourishes under the nurturing May sunshine. It's the perfect time to indulge in outdoor pursuits, with scenic trails and parks awaiting exploration. Despite the higher daytime temperatures, the chill of the evening underscores the lingering vestiges of the past cold season.

Temperature

May brings a rise in East Glacier Park's average high-temperature, moving from a wintry 41.4°F (5.2°C) in April to a fresh 53.4°F (11.9°C). East Glacier Park sees an average low-temperature of 32.4°F (0.2°C) during May.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In East Glacier Park, Montana, in May, it is raining for 16.3 days, with typically 2.01" (51mm) of accumulated precipitation. In East Glacier Park, during the entire year, the rain falls for 118.6 days and collects up to 20.75" (527mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in East Glacier Park. In East Glacier Park, during May, snow falls for 4 days and regularly aggregates up to 2.32" (59mm) of snow. In East Glacier Park, during the entire year, snow falls for 128.7 days and aggregates up to 92.13" (2340mm) of snow.

Daylight

In May, the average length of the day in East Glacier Park is 15h and 16min.
On the first day of May, sunrise is at 6:11 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 9:25 pm MDT.

Sunshine

The average sunshine in May is 9.5h.

UV index

In East Glacier Park, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 3 in May converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the average May temperature in East Glacier Park?

East Glacier Park in May has an average high-temperature of 53.4°F (11.9°C) and an average low-temperature of 32.4°F (0.2°C).

What is the average humidity in May in East Glacier Park?

The average relative humidity in May in East Glacier Park, Montana, is 74%.

How much does it rain in East Glacier Park in May?

In East Glacier Park, Montana, in May, it is raining for 16.3 days, with typically 2.01" (51mm) of accumulated precipitation.

How many days does it snow in May in East Glacier Park?

In East Glacier Park, Montana, during May, snow falls for 4 days and regularly aggregates up to 2.32" (59mm) of snow.

What is the average length of the day in May in East Glacier Park?

In May, the average day length is 15h and 16min.

When are sunrise and sunset in May in East Glacier Park?

On the first day of May in East Glacier Park, sunrise is at 6:11 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 9:25 pm MDT.

How long on average sun shines in May in East Glacier Park?

In East Glacier Park, Montana, the average sunshine duration in May is 9.5h.

What is the UV index reading in May in East Glacier Park?

In East Glacier Park, Montana, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
East Glacier Park, MT

Average temperature in May - East Glacier Park, MT
  • Average high temperature in May: 53.4°F

The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is December (23.2°F).

  • Average low temperature in May: 32.4°F

The months with the highest average low temperature are July and August (44.2°F).
The coldest month (with the lowest average low temperature) is February (10.9°F).

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Average pressure in May
East Glacier Park, MT

Average pressure in May - East Glacier Park, MT
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
East Glacier Park, MT

Average wind speed in May - East Glacier Park, MT
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is November (7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in May
East Glacier Park, MT

Average humidity in May - East Glacier Park, MT
  • Average humidity in May: 74%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (56%).

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Average rainfall in May
East Glacier Park, MT

Average rainfall in May - East Glacier Park, MT
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is January (2.56").
The driest month (with the least rainfall) is August (0.71").

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Average rainfall days in May
East Glacier Park, MT

Average rainfall days in May - East Glacier Park, MT
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in May
East Glacier Park, MT

Average snowfall in May - East Glacier Park, MT
  • Average snowfall in May: 2.32"

The month with the highest snowfall is January (20.16").
The months with the least snowfall are July and August (0").

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Average snowfall days in May
East Glacier Park, MT

Average snowfall days in May - East Glacier Park, MT
  • Average snowfall days in May: 4 days

The month with the highest number of snowfall days is December (22.8 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in May /
Average sunshine in May
East Glacier Park, MT

Average daylight in May / Average sunshine in May - East Glacier Park, MT
  • Average daylight in May: 15h and 2min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in May: 9h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in May
East Glacier Park, MT

Average sunshine days in May - East Glacier Park, MT
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is February (7.2 days).

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Average UV index in May
East Glacier Park, MT

Average UV index in May - East Glacier Park, MT
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in May
East Glacier Park, MT

Average cloud cover in May - East Glacier Park, MT
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 17).

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Average visibility in May
East Glacier Park, MT

Average visibility in May - East Glacier Park, MT
  • Average visibility in May: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

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East Glacier Park, Montana, USA

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