Mud Bay weather by month
What a typical year looks like in Mud Bay, Alaska: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Haines Airport, 14 km from Mud Bay; records cover 1911–2026.
The year at a glance
- Precipitation a year
- 47.4 in1204 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 22
- First fall freeze
- Oct 2
- Heating degree days
- 8,407
- Cooling degree days
- 12
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 0°−18° (heating, 99%) and 78°26° (cooling, 1%).
Month by month
Mud Bay in January
Highs average 30°−1° and lows 19°−7°, with 4.9 in123 mm of precipitation in a typical January.
- Record high
- 57°14° (1934)
- Record low
- −18°−28° (1998)
- Heating degree days
- 1260
- Cooling degree days
- 0
Mud Bay in February
Highs average 34°1° and lows 22°−6°, with 3.4 in85 mm of precipitation in a typical February.
- Record high
- 53°12° (1943)
- Record low
- −16°−27° (1947)
- Heating degree days
- 1035
- Cooling degree days
- 0
Mud Bay in March
Highs average 39°4° and lows 26°−3°, with 3 in77 mm of precipitation in a typical March.
- Record high
- 63°17° (1934)
- Record low
- −7°−22° (1955)
- Heating degree days
- 1008
- Cooling degree days
- 0
Mud Bay in April
Highs average 50°10° and lows 34°1°, with 2.4 in60 mm of precipitation in a typical April.
- Record high
- 75°24° (1989)
- Record low
- 6°−14° (1927)
- Heating degree days
- 687
- Cooling degree days
- 0
Mud Bay in May
Highs average 60°15° and lows 42°6°, with 1.9 in48 mm of precipitation in a typical May.
- Record high
- 84°29° (1915)
- Record low
- 26°−3° (1935)
- Heating degree days
- 439
- Cooling degree days
- 0
Mud Bay in June
Highs average 64°18° and lows 49°9°, with 1.6 in39 mm of precipitation in a typical June.
- Record high
- 92°33° (1992)
- Record low
- 30°−1° (1939)
- Heating degree days
- 258
- Cooling degree days
- 5
Mud Bay in July
Highs average 65°19° and lows 52°11°, with 1.7 in44 mm of precipitation in a typical July.
- Record high
- 98°37° (1976)
- Record low
- 31°−1° (1916)
- Heating degree days
- 197
- Cooling degree days
- 4
Mud Bay in August
Highs average 64°18° and lows 51°11°, with 3.2 in82 mm of precipitation in a typical August.
- Record high
- 95°35° (1978)
- Record low
- 32°0° (1935)
- Heating degree days
- 234
- Cooling degree days
- 3
Mud Bay in September
Highs average 57°14° and lows 46°8°, with 5.9 in150 mm of precipitation in a typical September.
- Record high
- 86°30° (1956)
- Record low
- 24°−4° (1926)
- Heating degree days
- 402
- Cooling degree days
- 0
Mud Bay in OctoberThis month
Highs average 48°9° and lows 38°3°, with 6.8 in172 mm of precipitation in a typical October.
- Record high
- 65°18° (1936)
- Record low
- 6°−14° (1984)
- Heating degree days
- 693
- Cooling degree days
- 0
Mud Bay in November
Highs average 36°2° and lows 26°−3°, with 5.7 in144 mm of precipitation in a typical November.
- Record high
- 65°18° (1911)
- Record low
- −11°−24° (1945)
- Heating degree days
- 1011
- Cooling degree days
- 0
Mud Bay in December
Highs average 32°0° and lows 22°−6°, with 7.1 in179 mm of precipitation in a typical December.
- Record high
- 61°16° (1911)
- Record low
- −14°−26° (1933)
- Heating degree days
- 1183
- Cooling degree days
- 0