Weather on July 21 at Katmai
Katmai National Park and Preserve
Based on 29 years of data from Anchorage, AK
Planning Your Visit
July 21st in Katmai National Park (via Anchorage, AK) typically brings mild summer weather, with average highs around 68°F and lows near 54°F. Over 29 years of records, the warmest July 21st was in 2013 (68°F average), while the coldest was 1971 (49°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 45% of July 21st dates historically, with the wettest July 21st recording 1.17" of rain. The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for July 21st in Katmai? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 67°F | 55°F | 0.1" | -- |
| 2024 | 71°F | 57°F | 0" | -- |
| 2023 | 75°F | 55°F | 0" | -- |
| 2022 | 60°F | 53°F | 0.36" | -- |
| 2021 | 62°F | 56°F | 1.17" | -- |
| 2020 | 75°F | 57°F | 0.3" | -- |
| 2019 | 78°F | 58°F | 0" | -- |
| 2018 | 75°F | 52°F | 0" | -- |
| 2017 | 71°F | 50°F | 0" | -- |
| 2016 | 73°F | 62°F | 0.15" | -- |
| 2015 | 70°F | 54°F | 0" | -- |
| 2014 | 71°F | 49°F | 0" | -- |
| 2013 | 80°F | 55°F | 0" | -- |
| 2012 | 63°F | 57°F | 1.12" | -- |
| 2011 | 69°F | 55°F | 0" | -- |
| 2010 | 65°F | 51°F | 0.08" | -- |
| 2009 | 64°F | 55°F | 0" | -- |
| 2008 | 60°F | 51°F | 0.13" | -- |
| 2007 | 75°F | 52°F | 0" | -- |
| 2006 | 67°F | 55°F | 0" | -- |
| 2005 | 73°F | 55°F | 0" | -- |
| 2004 | 71°F | 56°F | 0" | -- |
| 2003 | 66°F | 58°F | 0.2" | 0" |
| 2002 | 71°F | 53°F | 0" | 0" |
| 2001 | 63°F | 56°F | 0.48" | -- |
| 2000 | 56°F | 51°F | 0.23" | 0" |
| 1999 | 69°F | 50°F | 0.18" | 0" |
| 1998 | 65°F | 56°F | 0.03" | 0" |
| 1971 | 59°F | 40°F | 0" | 0" |