Weather on August 31 at Katmai
Katmai National Park and Preserve
Based on 29 years of data from Anchorage, AK
Planning Your Visit
August 31st in Katmai National Park (via Anchorage, AK) typically brings mild summer weather, with average highs around 62°F and lows near 48°F. Over 29 years of records, the warmest August 31st was in 2009 (60°F average), while the coldest was 2000 (50°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 55% of August 31st dates historically, with the wettest August 31st recording 1.65" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 31st in Katmai? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 57°F | 50°F | 0.08" | -- |
| 2023 | 69°F | 51°F | 1.65" | -- |
| 2022 | 61°F | 50°F | 1.17" | -- |
| 2021 | 69°F | 45°F | 0" | -- |
| 2020 | 59°F | 51°F | 0.97" | -- |
| 2019 | 63°F | 53°F | 0.03" | -- |
| 2018 | 63°F | 50°F | 0" | -- |
| 2017 | 54°F | 48°F | 0.2" | -- |
| 2016 | 71°F | 43°F | 0" | -- |
| 2015 | 62°F | 42°F | 0" | -- |
| 2014 | 62°F | 43°F | 0" | -- |
| 2013 | 59°F | 50°F | 0.25" | -- |
| 2012 | 55°F | 50°F | 0.28" | -- |
| 2011 | 55°F | 50°F | 1.5" | -- |
| 2010 | 63°F | 50°F | 0" | -- |
| 2009 | 68°F | 52°F | 0" | -- |
| 2008 | 58°F | 43°F | 0" | -- |
| 2007 | 65°F | 48°F | 0" | -- |
| 2006 | 59°F | 49°F | 0.05" | -- |
| 2005 | 61°F | 51°F | 0.48" | -- |
| 2004 | 65°F | 46°F | 0" | -- |
| 2003 | 61°F | 50°F | 0" | 0" |
| 2002 | 64°F | 52°F | 0.05" | 0" |
| 2001 | 62°F | 46°F | 0" | 0" |
| 2000 | 62°F | 38°F | 0.03" | -- |
| 1999 | 67°F | 51°F | 0.03" | 0" |
| 1998 | 61°F | 46°F | 0.05" | 0" |
| 1972 | 58°F | 47°F | 0" | 0" |
| 1971 | 60°F | 50°F | 0.64" | 0" |