Anchorage, AK All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Anchorage, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 86°F (30°C) | June 14, 1969 and July 12, 1993 |
| Record Low | -38.9°F (-39°C) | January 4, 1975 |
| Lowest High | -20.9°F (-29°C) | December 28, 1961 |
| Highest Low | 66°F (19°C) | June 27, 1953 |
| Highest Mean | 73.5°F (23°C) | June 26, 1953 and June 27, 1953 |
| Lowest Mean | -28.4°F (-34°C) | January 4, 1975 |
| Precipitation | ||
| Max in One Calendar Day | 2.54" (64.5 mm) | August 25, 1989 |
| Max in One Month | 8.62" (218.9 mm) | August 1989 |
| Least in One Month | 0.00" (0.0 mm) | March 1983 |
| Max in One Year | 23.92" (607.6 mm) | 1989 |
| Least in One Year | 8.39" (213.1 mm) | 1969 |
| Snowfall | ||
| Max in One Calendar Day | 18.4" (46.7 cm) | October 12, 1996 |
| Max in One Month | 55.8" (141.8 cm) | February 1996 |
| Max in One Season | 142.2" (361.2 cm) | 1994-95 |
| Max in One Year | 140.8" (357.7 cm) | 1955 |
| Earliest Snow | 0.9" (2.3 cm) | September 21, 1956 |
| Earliest Measurable Snow | 0.9" (2.3 cm) | September 21, 1956 |
| Latest Snow | 2.8" (7.1 cm) | May 9, 1963 |
| Latest Measurable Snow | 2.8" (7.1 cm) | May 9, 1963 |
| Period of Record | ||
| Temperature | January 14, 1947 – September 30, 1997 | |
| Precipitation | January 14, 1947 – September 30, 1997 | |
| Snowfall | January 14, 1947 – September 30, 1997 | |
Note: Records compiled from NOAA GHCN-Daily observations at ELMENDORF AFB (4 mi from Anchorage, AK). Quality-flagged readings are excluded. Monthly and annual totals require substantially complete reporting for “least” records.
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Frequently Asked Questions
What is the hottest temperature ever recorded in Anchorage, AK?
The all-time record high in Anchorage, AK is 86°F (30°C), set on June 14, 1969 and July 12, 1993.
What is the coldest temperature ever recorded in Anchorage, AK?
The all-time record low in Anchorage, AK is -38.9°F (-39°C), set on January 4, 1975.
What is the most rain Anchorage, AK has ever had in one day?
The most precipitation recorded in one calendar day near Anchorage, AK is 2.54 inches, on August 25, 1989.
What is the biggest snowfall ever recorded in Anchorage, AK?
The most snow recorded in one calendar day near Anchorage, AK is 18.4 inches, on October 12, 1996.
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