Climate and monthly weather forecastGlacier, WA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Glacier, Washington, with an average temperature fluctuating between 28.2°F (-2.1°C) and 37.9°F (3.3°C). Entering January, the average high-temperature is recorded at a still icy 37.9°F (3.3°C), exhibiting a minimal shift from December's 35.6°F (2°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Glacier, Washington, with an average temperature varying between 27°F (-2.8°C) and 37.9°F (3.3°C). As Glacier transitions into February, the average high-temperature stands at a still icy 37.9°F (3.3°C), offering no variation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Glacier, is also an icy month, with an average temperature ranging between max 42.1°F (5.6°C) and min 29.7°F (-1.3°C). With the transition into March, Glacier notes an average high-temperature of a still wintry 42.1°F (5.6°C), closely resembling February. Weather in March »Weather in April
April is a frosty spring month in Glacier, Washington, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 33.6°F (0.9°C). Glacier, Washington, experiences a minor temperature shift with the start of April, with average high-temperatures moving from a wintry 42.1°F (5.6°C) in March to a chilly 48.7°F (9.3°C). Weather in April »Weather in May
The last month of the spring, May, is a moderate month in Glacier, Washington, with an average temperature varying between 58.6°F (14.8°C) and 39°F (3.9°C). The beginning of May marks a shift in the average high-temperature, moving from April's chilly 48.7°F (9.3°C) to a mild 58.6°F (14.8°C). Weather in May »Weather in June
The first month of the summer, June, is an enjoyable month in Glacier, Washington, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 62.6°F (17°C). June's weather records an average high-temperature of a comfortable 62.6°F (17°C), showing little deviation from May. Weather in June »Weather in July
July in Glacier, Washington, is a pleasant summer month, with an average temperature varying between 70.5°F (21.4°C) and 45.3°F (7.4°C). July introduces a marginal temperature uplift, with average high-temperatures adjusting from June's refreshing 62.6°F (17°C) to an agreeable 70.5°F (21.4°C). Weather in July »Weather in August
The last month of the summer, August, is another pleasant month in Glacier, Washington, with an average temperature fluctuating between 46.9°F (8.3°C) and 71.2°F (21.8°C). August, with its high-temperature average of 71.2°F (21.8°C) and a low-temperature average of 46.9°F (8.3°C), is the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Glacier, Washington, with an average temperature ranging between min 43.5°F (6.4°C) and max 64°F (17.8°C). During the shift to September, a minor reduction in average high-temperature is observed, shifting from a pleasant 71.2°F (21.8°C) in August to a refreshing 64°F (17.8°C). Weather in September »Weather in October
October, the same as September, is a cool autumn month in Glacier, Washington, with an average temperature fluctuating between 38.3°F (3.5°C) and 52.7°F (11.5°C). As October arrives, Glacier's weather displays a decrease in high-temperatures, transitioning from September's comfortable 64°F (17.8°C) to a cool 52.7°F (11.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Glacier, Washington, with an average temperature varying between 41.7°F (5.4°C) and 32.7°F (0.4°C). With November's onset, the weather shows a temperature decrease, transitioning from a cool 52.7°F (11.5°C) in October to an icy 41.7°F (5.4°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Glacier, Washington, with an average temperature varying between 26.1°F (-3.3°C) and 35.6°F (2°C). With average high and low temperatures of 35.6°F (2°C) and 26.1°F (-3.3°C) respectively, December is Glacier's coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Glacier, WA
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).
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
Glacier, WA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30"Hg - Average pressure in June:
30"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.09"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
Glacier, WA
- Average wind speed in January:
4.6mph - Average wind speed in February:
4.3mph - Average wind speed in March:
4.3mph - Average wind speed in April:
3.9mph - Average wind speed in May:
3.5mph - Average wind speed in June:
3.4mph
- Average wind speed in July:
3.5mph - Average wind speed in August:
3.3mph - Average wind speed in September:
3.4mph - Average wind speed in October:
3.9mph - Average wind speed in November:
4.3mph - Average wind speed in December:
4.3mph
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
Glacier, WA
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is July (74%).
Average rainfall
Glacier, WA
- Average rainfall in January:
10.39" - Average rainfall in February:
6.18" - Average rainfall in March:
7.48" - Average rainfall in April:
5.67" - Average rainfall in May:
3.86" - Average rainfall in June:
3.11"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.54" - Average rainfall in September:
3.82" - Average rainfall in October:
6.73" - Average rainfall in November:
9.88" - Average rainfall in December:
9.13"
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
Glacier, WA
- Average rainfall days in January:
16.6 days - Average rainfall days in February:
14.1 days - Average rainfall days in March:
18.8 days - Average rainfall days in April:
21.3 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
10.3 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
17.5 days - Average rainfall days in November:
20.3 days - Average rainfall days in December:
15.4 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
Glacier, WA
- Average snowfall in January:
19.21" - Average snowfall in February:
22.36" - Average snowfall in March:
17.8" - Average snowfall in April:
4.21" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
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
Glacier, WA
- Average snowfall days in January:
8.8 days - Average snowfall days in February:
10.6 days - Average snowfall days in March:
10.5 days - Average snowfall days in April:
4.6 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
11.4 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 / Average sunshine
Glacier, WA
- Average daylight in January:
8h and 48min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 6min
- Average daylight in July:
15h and 42min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 18min
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 January:
3h and 24min - Average sunshine in February:
3h and 24min - Average sunshine in March:
4h and 24min - Average sunshine in April:
6h and 0min - Average sunshine in May:
7h and 48min - Average sunshine in June:
7h and 54min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 36min - Average sunshine in November:
3h and 30min - Average sunshine in December:
3h and 18min
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
Glacier, WA
- Average sunshine days in January:
10.1 days - Average sunshine days in February:
8 days - Average sunshine days in March:
6.9 days - Average sunshine days in April:
6.8 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
9.8 days
- Average sunshine days in July:
17.5 days - Average sunshine days in August:
18.1 days - Average sunshine days in September:
13.1 days - Average sunshine days in October:
12.1 days - Average sunshine days in November:
7.7 days - Average sunshine days in December:
8.6 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
Glacier, WA
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
Glacier, WA
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
Glacier, WA
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).





