Excursion Inlet weather by month
What a typical year looks like in Excursion Inlet, Alaska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Gustavus, 21 km from Excursion Inlet; records cover 1923–2026.
The year at a glance
- Precipitation a year
- 62.3 in1582 mm
- Snow a year
- 72 in184 cm
- Last spring freeze
- May 27
- First fall freeze
- Sep 10
- Heating degree days
- 9,071
- Cooling degree days
- 0
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −3°−19° (heating, 99%) and 75°24° (cooling, 1%).
Month by month
Excursion Inlet in January
Highs average 32°0° and lows 21°−6°, with 5.9 in151 mm of precipitation and 18 in46 cm of snow in a typical January.
- Record high
- 54°12° (1958)
- Record low
- −25°−32° (1925)
- Heating degree days
- 1198
- Cooling degree days
- 0
Excursion Inlet in February
Highs average 36°2° and lows 21°−6°, with 3.8 in96 mm of precipitation and 11 in29 cm of snow in a typical February.
- Record high
- 57°14° (1992)
- Record low
- −16°−27° (1956)
- Heating degree days
- 1023
- Cooling degree days
- 0
Excursion Inlet in March
Highs average 40°4° and lows 23°−5°, with 3.2 in81 mm of precipitation and 12 in30 cm of snow in a typical March.
- Record high
- 60°16° (1998)
- Record low
- −13°−25° (1956)
- Heating degree days
- 1043
- Cooling degree days
- 0
Excursion Inlet in April
Highs average 49°9° and lows 29°−2°, with 3 in76 mm of precipitation and 1.8 in4.6 cm of snow in a typical April.
- Record high
- 70°21° (1958)
- Record low
- 4°−16° (1948)
- Heating degree days
- 786
- Cooling degree days
- 0
Excursion Inlet in May
Highs average 57°14° and lows 35°2°, with 3 in76 mm of precipitation in a typical May.
- Record high
- 81°27° (1947)
- Record low
- 17°−8° (1995)
- Heating degree days
- 590
- Cooling degree days
- 0
Excursion Inlet in June
Highs average 61°16° and lows 42°6°, with 2.9 in74 mm of precipitation in a typical June.
- Record high
- 88°31° (2004)
- Record low
- 25°−4° (1986)
- Heating degree days
- 393
- Cooling degree days
- 0
Excursion Inlet in July
Highs average 63°17° and lows 47°8°, with 4.4 in112 mm of precipitation in a typical July.
- Record high
- 87°31° (2009)
- Record low
- 29°−2° (1995)
- Heating degree days
- 318
- Cooling degree days
- 0
Excursion Inlet in August
Highs average 63°17° and lows 46°8°, with 5.4 in138 mm of precipitation in a typical August.
- Record high
- 87°31° (1957)
- Record low
- 25°−4° (1925)
- Heating degree days
- 332
- Cooling degree days
- 0
Excursion Inlet in September
Highs average 57°14° and lows 40°5°, with 8.2 in209 mm of precipitation in a typical September.
- Record high
- 75°24° (1986)
- Record low
- 22°−6° (1983)
- Heating degree days
- 498
- Cooling degree days
- 0
Excursion Inlet in OctoberThis month
Highs average 47°8° and lows 33°1°, with 8.4 in214 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 65°18° (1944)
- Record low
- 2°−17° (1984)
- Heating degree days
- 773
- Cooling degree days
- 0
Excursion Inlet in November
Highs average 38°3° and lows 26°−3°, with 6.8 in172 mm of precipitation and 11 in27 cm of snow in a typical November.
- Record high
- 58°14° (1976)
- Record low
- −15°−26° (1985)
- Heating degree days
- 993
- Cooling degree days
- 0
Excursion Inlet in December
Highs average 34°1° and lows 24°−5°, with 7.3 in184 mm of precipitation and 18 in46 cm of snow in a typical December.
- Record high
- 56°13° (1944)
- Record low
- −21°−29° (1995)
- Heating degree days
- 1124
- Cooling degree days
- 0