Climateby Month

Anchorage vs Juneau weather

Anchorage, AK and Juneau, AK · 573 mi apart

July highs: 66°F in Anchorage, 64°F in Juneau (Anchorage is 2°F warmer). January highs: 23°F and 33°F (Juneau is 10°F warmer). Anchorage has about 115 wet days a year, Juneau about 230. Snow: 77.9 in a year in Anchorage, 87.6 in in Juneau.

Anchorage, AK

0°20°40°60°80° January: normal high 23°F (-5°C), low 11°F (-12°C) 23° 11° February: normal high 27°F (-3°C), low 15°F (-9°C) March: normal high 33°F (1°C), low 19°F (-7°C) April: normal high 45°F (7°C), low 30°F (-1°C) May: normal high 56°F (13°C), low 40°F (4°C) June: normal high 63°F (17°C), low 48°F (9°C) July: normal high 66°F (19°C), low 53°F (12°C) 66° 53° August: normal high 64°F (18°C), low 51°F (11°C) September: normal high 56°F (13°C), low 43°F (6°C) October: normal high 42°F (6°C), low 31°F (-1°C) November: normal high 29°F (-2°C), low 18°F (-8°C) December: normal high 25°F (-4°C), low 14°F (-10°C) JFMAMJJASOND

Best months: July

Juneau, AK

0°20°40°60°80° January: normal high 33°F (1°C), low 24°F (-4°C) 33° 24° February: normal high 36°F (2°C), low 25°F (-4°C) March: normal high 39°F (4°C), low 27°F (-3°C) April: normal high 49°F (9°C), low 33°F (1°C) May: normal high 58°F (14°C), low 40°F (4°C) June: normal high 62°F (17°C), low 47°F (8°C) July: normal high 64°F (18°C), low 50°F (10°C) 64° 50° August: normal high 63°F (17°C), low 49°F (9°C) September: normal high 56°F (13°C), low 44°F (7°C) October: normal high 47°F (8°C), low 37°F (3°C) November: normal high 38°F (3°C), low 29°F (-2°C) December: normal high 35°F (2°C), low 26°F (-3°C) JFMAMJJASOND

Best months: June, July, August

Which city for what

  • Milder winters: Juneau (January high 33°F vs January high 23°F)
  • Fewer wet days: Anchorage (115 a year vs 230 a year)
  • Less snow: Anchorage (77.9 in vs 87.6 in)
  • More comfortable days: Anchorage (51 a year vs 41 a year)

Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.

Season by season

SeasonAvg high AnchorageAvg high JuneauWet days AnchorageWet days Juneau
Winter (Dec-Feb)25°F35°F2758
Spring (Mar-May)45°F49°F1751
Summer (Jun-Aug)65°F63°F3555
Fall (Sep-Nov)42°F47°F3666

Side by side over a year

AnchorageJuneau
Hot days (90°F+)00
Freezing nights187128
Muggy days00
Comfortable days5141
Precipitation16.4 in67.0 in
Snowfall77.9 in87.6 in
Frost dateslast May 5, first Oct 1last May 4, first Oct 3
Daylight in June / December19.2 h / 5.6 h18.1 h / 6.5 h
Best monthsJulyJune, July, August

Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.

Month by month

MonthHigh AnchorageHigh JuneauWet days AnchorageWet days Juneau
January23°F33°F820
February27°F36°F817
March33°F39°F618
April45°F49°F517
May56°F58°F716
June63°F62°F917
July66°F64°F1219
August64°F63°F1419
September56°F56°F1522
October42°F47°F1223
November29°F38°F1021
December25°F35°F1121

Both charts use the same temperature scale.

Where the numbers come from

  • Anchorage, AK: temperature from Anchorage Intl Airport (USW00026451), 5.4 mi SW of the city center; precipitation from Anchorage Intl Airport (USW00026451). NOAA 1991-2020 normals and daily records.
  • Juneau, AK: temperature from Juneau Intl Airport (USW00025309), 6.5 mi NW of the city center; precipitation from Juneau Intl Airport (USW00025309). NOAA 1991-2020 normals and daily records.

Every station for each city, including humidity and frost, is listed on the city page. Methodology.