Weather in Juneau in Summer
| June | July | August | ||||
| Average day temperature: | 55.3°F | 57.9°F | 57.5°F | |||
| Average night temperature: | 49.8°F | 52.6°F | 52.4°F | |||
| Sea water temperature: | 52.1°F | 56.7°F | 56.1°F | |||
| Number of sunny days: | 4 days | 6 days | 5 days | |||
| Day length: | 17.8 - 18.3 h. | 16.5 - 18.1 h. | 14.1 - 16.5 h. | |||
| Number of rainy days: | 4 days | 5 days | 8 days | |||
| Precipitation totals: | 1.9 in. | 2.4 in. | 4.0 in. | |||
Day & Night air temperature, °F
June
July
August
0
9
18
27
36
45
54
63
72
57.5
57.9
55.3
52.4
52.6
49.8
| Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
9
18
27
36
45
54
63
72
56.1
56.7
52.1
Precipitation total, in.
June
July
August
0.0
0.7
1.4
2.0
2.7
3.4
4.1
4.8
4
2.4
1.9
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
23
21
21
4
4
4
5
6
4
| Cloudy days | Partly cloudy days | Sunny days |
Wind speed, mph
June
July
August
0.0
0.7
1.4
2.2
2.9
3.6
4.3
5.1
5.8
4.2
3.6
3.9
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
5.2
5.4
6.4
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Juneau
Juneau on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Juneau
Local time: 11:47
April 21, monday
1200
41°F
NW
5 mph
5 mph
1500
41°F
NW
6 mph
6 mph
1800
39°F
NW
5 mph
5 mph
2100
39°F
NW
7 mph
7 mph
April 22, tuesday
0000
39°F
NW
7 mph
7 mph
0300
37°F
N
6 mph
6 mph
0600
37°F
NW
5 mph
5 mph
0900
37°F
NW
5 mph
5 mph
