Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The start of May signals an increase in the average high-temperature, moving from a chilly 48.7°F (9.3°C) in April to a refreshing 58.6°F (14.8°C). May nights are marked by an average temperature drop to an icy 39°F (3.9°C).Humidity
In May, the average relative humidity in Glacier, Washington, is 80%.Rainfall
In Glacier, in May, it is raining for 17.4 days, with typically 3.86" (98mm) of accumulated precipitation. Throughout the year, in Glacier, there are 194.4 rainfall days, and 69.29" (1760mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Glacier, Washington. During 0.3 snowfall days, in May, Glacier aggregates 0.2" (5mm) of snow. In Glacier, Washington, during the entire year, snow falls for 51.2 days and aggregates up to 83.11" (2111mm) of snow.Daylight
In May, the average length of the day is 15h and 19min.On the first day of May, sunrise is at 5:45 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 9:02 pm PDT.
Sunshine
In May, the average sunshine is 7.8h.UV index
In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 in May translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average May temperature in Glacier?
What is the average humidity in May in Glacier?
How much does it rain in Glacier in May?
What is the last month it snows in Glacier?
What is the average length of the day in May in Glacier?
What time are sunrise and sunset in May in Glacier?
How long on average sun shines in May in Glacier?
What is the UV index intensity in May in Glacier?
Average temperature in May
Glacier, WA
- Average high temperature in May: 58.6°F
The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (35.6°F).
- Average low temperature in May: 39°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in May
Glacier, WA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are May, June, August and September (30"Hg).
Average wind speed in May
Glacier, WA
- Average wind speed in May: 3.5mph
The windiest month (with the highest average wind speed) is January (4.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in May
Glacier, WA
- Average humidity in May: 80%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (74%).
Average rainfall in May
Glacier, WA
- Average rainfall in May: 3.86"
The wettest month (with the highest rainfall) is January (10.39").
The driest month (with the least rainfall) is July (1.5").
Average rainfall days in May
Glacier, WA
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is April (21.3 days).
The month with the least rainy days is August (10.3 days).
Average snowfall in May
Glacier, WA
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (22.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Glacier, WA
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glacier, WA
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in May: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in May
Glacier, WA
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is April (6.8 days).
Average UV index in May
Glacier, WA
- 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 and November (UV index 1).
Average cloud cover in May
Glacier, WA
- Average cloud cover in May: 53
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Glacier, WA
- Average visibility in May: 4mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).
Glacier, Washington, USA
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