Weather on August 12 at Glacier
Glacier National Park
Based on 55 years of data from Kalispell, MT
Elevation Note: Glacier sits at 4,500 ft. Expect temperatures 16°F cooler than the data shown below, which comes from Kalispell, MT at a lower elevation.
Planning Your Visit
August 12th in Glacier National Park (via Kalispell, MT) typically brings warm summer weather, with average highs around 83°F and lows near 50°F — a 33°F daily swing. Over 55 years of records, the warmest August 12th was in 1988 (77°F average), while the coldest was 2005 (52°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 12th dates historically, with the wettest August 12th recording 0.81" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for August 12th in Glacier? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 91°F | 54°F | 0" | 0" |
| 2024 | 81°F | 54°F | 0.23" | 0" |
| 2023 | 81°F | 45°F | 0" | 0" |
| 2022 | 89°F | 51°F | 0.2" | 0" |
| 2021 | 89°F | 62°F | 0" | 0" |
| 2020 | 70°F | 51°F | 0" | 0" |
| 2019 | 70°F | 46°F | 0" | 0" |
| 2018 | 81°F | 51°F | 0" | 0" |
| 2017 | 90°F | 50°F | 0" | 0" |
| 2016 | 83°F | 49°F | 0" | 0" |
| 2015 | 95°F | 53°F | 0" | 0" |
| 2014 | 89°F | 58°F | 0" | 0" |
| 2013 | 90°F | 59°F | 0" | 0" |
| 2012 | 89°F | 50°F | 0" | 0" |
| 2011 | 81°F | 44°F | 0" | 0" |
| 2010 | 75°F | 48°F | 0.69" | 0" |
| 2009 | 68°F | 55°F | 0.41" | 0" |
| 2008 | 83°F | 38°F | 0" | 0" |
| 2007 | 85°F | 42°F | 0" | 0" |
| 2006 | 71°F | 45°F | 0.1" | 0" |
| 2005 | 64°F | 40°F | 0.36" | 0" |
| 2004 | 89°F | 46°F | 0" | -- |
| 2003 | 86°F | 44°F | 0" | -- |
| 2002 | 82°F | 51°F | 0" | -- |
| 2001 | 93°F | 48°F | 0" | -- |
| 2000 | 86°F | 35°F | 0" | -- |
| 1999 | 77°F | 52°F | 0.03" | -- |
| 1998 | 90°F | 47°F | 0" | 0" |
| 1997 | 84°F | 46°F | 0" | 0" |
| 1996 | 87°F | 44°F | 0" | 0" |
| 1995 | 66°F | 41°F | 0.23" | 0" |
| 1994 | 88°F | 47°F | 0" | 0" |
| 1993 | 78°F | 50°F | 0" | 0" |
| 1992 | 91°F | 49°F | 0" | 0" |
| 1991 | 82°F | 50°F | 0" | 0" |
| 1990 | 89°F | 53°F | 0" | 0" |
| 1989 | 95°F | 54°F | 0.81" | 0" |
| 1988 | 91°F | 63°F | 0" | 0" |
| 1987 | 68°F | 42°F | 0.2" | 0" |
| 1986 | 77°F | 51°F | 0" | 0" |
| 1985 | 61°F | 45°F | 0.08" | 0" |
| 1984 | 82°F | 53°F | 0.38" | 0" |
| 1983 | 73°F | 51°F | 0" | 0" |
| 1982 | 68°F | 50°F | 0" | 0" |
| 1981 | 96°F | 54°F | 0" | 0" |
| 1980 | 81°F | 54°F | 0.38" | 0" |
| 1979 | 92°F | -- | 0" | 0" |
| 1978 | 72°F | 45°F | 0.36" | 0" |
| 1977 | 91°F | 48°F | 0" | 0" |
| 1976 | 82°F | 51°F | 0" | 0" |
| 1975 | 82°F | 55°F | 0" | 0" |
| 1974 | 77°F | 48°F | 0" | -- |
| 1973 | 88°F | 54°F | 0" | -- |
| 1972 | 86°F | 55°F | 0.23" | -- |
| 1971 | 97°F | 55°F | 0" | -- |