Measurements:
°C
°F
Juneau
42°F
N 2 mph
Feels like: 42°F
Precip: 100%
World Resorts USA Juneau Weather

7 Day Weather Forecast

05.14
thu
DAY
42°F
NW 4 mph
precip
100%
NIGHT
38°F
W 4 mph
precip
0%
05.15
fri
DAY
46°F
E 2 mph
precip
77%
NIGHT
36°F
W 2 mph
precip
87%
05.16
sat
DAY
44°F
NW 1 mph
precip
100%
NIGHT
30°F
SW 4 mph
precip
0%
05.17
sun
DAY
48°F
W 3 mph
precip
85%
NIGHT
40°F
W 4 mph
precip
100%
05.18
mon
DAY
50°F
NW 3 mph
precip
36%
NIGHT
36°F
W 6 mph
precip
74%
05.19
tue
DAY
42°F
NW 5 mph
precip
100%
NIGHT
40°F
W 2 mph
precip
100%
05.20
wed
DAY
44°F
W 6 mph
precip
100%
NIGHT
40°F
W 6 mph
precip
100%

Juneau Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Juneau was 7.3°F. The maximum and minimum values were 5.6°F and 8.8°F respectively.

Juneau on the Weather Map

Best Time to Visit Juneau
The most sunny months:
May 6 days
February 5 days
March 5 days
The most warm months:
July 58.1 °F
August 58.0 °F
June 54.9 °F
Warmest sea temperature:
July 57.0 °F
August 56.8 °F
September 52.0 °F
The most cold months:
December 23.9 °F
January 26.3 °F
February 28.1 °F
The most rainy months:
October 12 days
September 10 days
January 9 days
The most windy months:
November 7 mph
December 7 mph
January 7 mph