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

The rise of average high-temperatures is seen in May, with an increase from a cold 41.4°F (5.2°C) in April to a fresh 53.4°F (11.9°C). An average nighttime temperature of 32.4°F (0.2°C) is observed during May.

Humidity

The average relative humidity in May is 74%.

Rainfall

In East Glacier Park, during May, the rain falls for 16.3 days and regularly aggregates up to 2.01" (51mm) of 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, Montana, 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 East Glacier Park, the average length of the day in May 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

In East Glacier Park, 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 medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, a daily UV index of 3 turns into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What is the temperature in May?

The average high-temperature, in May, in East Glacier Park, is 53.4°F (11.9°C), while the average low-temperature is 32.4°F (0.2°C).

What is the average humidity in May?

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

How many days does it rain in May?

In East Glacier Park, during May, the rain falls for 16.3 days and regularly aggregates up to 2.01" (51mm) of precipitation.

How much does it snow in May?

In East Glacier Park, in May, during 4 snowfall days, 2.32" (59mm) of snow is typically accumulated.

What is the average length of the day in May?

The average day length in May is 15h and 16min.

When are sunrise and sunset in May?

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.

How long on average sun shines in May?

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

What is the UV index reading in May?

In May, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

East Glacier Park, Montana, USA

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