When is the best time to go to Glacier National Park
The chart above shows the best time of year to visit Glacier National Park, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Glacier National Park
Glacier National Park weather by month
Please note our recommendations for when to visit Glacier National Park are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -2°C | 62mm | 3.3hrs | 10hrs |
The climate in Glacier National Park during January can be summarized as cold and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Glacier National Park for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in Glacier National Park and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing -3°C (27°F), whilst at night -12°C (10°F) is normal.
On average January is the driest month of the year in Glacier National Park with around 62mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.3 hours of sunshine per day.
Glacier National Park weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -0°C | 51mm | 4.8hrs | 11.3hrs |
February in Glacier National Park is generally reasonably dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Glacier National Park for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the winter in Glacier National Park and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -0°C (32°F), whilst at night -10°C (14°F) is normal.
On average February is the 2nd driest month of the year in Glacier National Park with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.8 hours of sunshine per day.
Glacier National Park weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 2°C | 56mm | 6hrs | 12.9hrs |
The weather in March in Glacier National Park is characteristically cold and reasonably dry.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Glacier National Park.
March is in the spring in Glacier National Park and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (37°F), whilst at night -7°C (19°F) is normal.
On average March is the 3rd driest month of the year in Glacier National Park with around 56mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
Glacier National Park weather in March »
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 60mm | 7.2hrs | 14.8hrs |
Glacier National Park's weather in April is typically cool and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Glacier National Park.
April is in the spring in Glacier National Park and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -3°C (27°F) is normal.
On average April is the 4th driest month of the year in Glacier National Park with around 60mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
Glacier National Park weather in April »
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 79mm | 8.4hrs | 16.4hrs |
May is a reasonably dry month in Glacier National Park and the temperature is generally cool.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Glacier National Park.
May is in the spring in Glacier National Park and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 1°C (35°F) is normal.
On average May is the 5th driest month of the year in Glacier National Park with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
Glacier National Park weather in May »
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 82mm | 9.6hrs | 10hrs |
June is a a little damp month in Glacier National Park and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Glacier National Park.
June is in the summer in Glacier National Park and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 5°C (41°F) is normal.
On average June is the 6th driest month of the year in Glacier National Park with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
Glacier National Park weather in June »
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 50mm | 12hrs | 11.3hrs |
July in Glacier National Park is generally reasonably dry with the temperature being mild.
It is perhaps the perfect month to visit Glacier National Park, with some extremely good weather at this time of year.
July is in the summer in Glacier National Park and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 7°C (45°F) is normal.
On average July is the 6th wettest month of the year in Glacier National Park with around 50mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 12 hours of sunshine per day.
Glacier National Park weather in July »
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 19°C | 54mm | 10.4hrs | 12.9hrs |
The weather in August in Glacier National Park is characteristically mild and reasonably dry.
It is perhaps the perfect month to visit Glacier National Park, with some very good weather at this time of year.
August is in the summer in Glacier National Park and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 7°C (44°F) is normal.
On average August is the 5th wettest month of the year in Glacier National Park with around 54mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.4 hours of sunshine per day.
Glacier National Park weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 54mm | 7.6hrs | 14.8hrs |
Glacier National Park's weather in September is typically cool and reasonably dry in nature.
It is perhaps a good month to visit Glacier National Park, with some surprisingly good weather at this time of year.
September is in the fall / autumn in Glacier National Park and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 3°C (38°F) is normal.
On average September is the 4th wettest month of the year in Glacier National Park with around 54mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
Glacier National Park weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 43mm | 6.1hrs | 16.4hrs |
October is a reasonably dry month in Glacier National Park and the temperature is generally cool.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Glacier National Park.
October is in the fall / autumn in Glacier National Park and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cold 10°C (51°F), whilst at night -1°C (31°F) is normal.
On average October is the 3rd wettest month of the year in Glacier National Park with around 43mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
Glacier National Park weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 2°C | 55mm | 3.7hrs | 10hrs |
Glacier National Park's weather in November is typically cold and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Glacier National Park.
November is in the fall / autumn in Glacier National Park and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a freezing 2°C (35°F), whilst at night -7°C (19°F) is normal.
On average November is the 2nd wettest month of the year in Glacier National Park with around 55mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.7 hours of sunshine per day.
Glacier National Park weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -2°C | 58mm | 2.9hrs | 11.3hrs |
December in Glacier National Park is generally reasonably dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Glacier National Park for your holidays. The weather is often not a good and not conducive to spending time outdoors.
December is in the winter in Glacier National Park and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing -2°C (28°F), whilst at night -12°C (11°F) is normal.
On average December is the wettest month of the year in Glacier National Park with around 58mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.9 hours of sunshine per day.
Other monthly averages
Glacier National Park weather stats
| Hottest month: | July | 21.5°C 70.7°F |
|---|---|---|
| Driest month: | October | 43mm 1.7ins |
| Sunniest month: | July | 12hrs |
| Coldest month: | January | -2.9°C 26.8°F |
| Wettest month: | June | 82mm 3.2ins |
| Warmest sea: | August | 13.4°C 56.1°F |
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