Weather on June 21 at Katmai
Katmai National Park and Preserve
AKAlaska200 ft elevation
Avg High66°F
Avg Low50°F
Warmest200769°F
Coldest197251°F
Based on 31 years of data from Anchorage, AK
Planning Your Visit
June 21st in Katmai National Park (via Anchorage, AK) typically brings mild summer weather, with average highs around 66°F and lows near 50°F. Over 31 years of records, the warmest June 21st was in 2007 (69°F average), while the coldest was 1972 (51°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 23% of June 21st dates historically, with the wettest June 21st recording 1.5" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Katmai? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 68°F | 51°F | 0" | -- |
| 2024 | 71°F | 49°F | 0" | -- |
| 2023 | 64°F | 55°F | 0.13" | -- |
| 2022 | 75°F | 53°F | 0" | -- |
| 2021 | 69°F | 53°F | 0" | -- |
| 2020 | 69°F | 45°F | 0" | -- |
| 2019 | 70°F | 51°F | 0" | -- |
| 2018 | 65°F | 56°F | 0" | -- |
| 2017 | 61°F | 48°F | 0" | -- |
| 2016 | 72°F | 50°F | 0" | -- |
| 2015 | 63°F | 56°F | 0" | -- |
| 2014 | 59°F | 50°F | 1.5" | -- |
| 2013 | 58°F | 51°F | 0" | -- |
| 2012 | 72°F | 52°F | 0" | -- |
| 2011 | 62°F | 50°F | 0.08" | -- |
| 2010 | 72°F | 47°F | 0" | -- |
| 2009 | 58°F | 50°F | 0" | -- |
| 2008 | 63°F | 50°F | 0.1" | -- |
| 2007 | 78°F | 61°F | 0" | -- |
| 2006 | 64°F | 45°F | 0.61" | -- |
| 2005 | 71°F | 48°F | 0" | -- |
| 2004 | 73°F | 54°F | 0" | 0" |
| 2003 | 59°F | 51°F | 0.58" | 0" |
| 2002 | 62°F | 46°F | 0" | 0" |
| 2001 | 70°F | 56°F | 0" | 0" |
| 2000 | 64°F | 48°F | 0" | -- |
| 1999 | 63°F | 48°F | 0" | 0" |
| 1998 | 57°F | 47°F | 0.43" | 0" |
| 1973 | 70°F | 45°F | 0" | 0" |
| 1972 | 58°F | 45°F | 0" | 0" |
| 1971 | 61°F | 43°F | 0" | 0" |
June 21 at Nearby Parks
Holiday Weather at Katmai
Official NPS WebsiteVisit nps.gov/katm for park information, alerts, and reservations
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