World Resorts USA Juneau

Juneau Monthly Weather Averages

Please click on any column to get detailed information about Juneau weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
9
18
27
36
45
54
63
72
30.1
33.5
44.0
51.9
57.5
57.9
55.3
48.5
40.3
34.5
30.7
29.2
28.9
32.1
41.4
48.3
52.4
52.6
49.8
43.4
35.4
29.6
27.1
27.7
Day temperature   
Night temperature

The warmest month in Juneau is july. The average daily temp is 57.9°F. The average nightly temp is 52.6°F.

Sea water temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
9
18
27
36
45
54
63
72
40.5
42.3
46.7
51.5
56.1
56.7
52.1
46.4
40.5
38.6
38.7
39.1

The warmest sea temperature usually observed in July. Average daily sea water temperature during this month is 56.7°F.

Precipitation total, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.9
1.9
2.8
3.7
4.6
5.6
6.5
4.7
4
5.4
4.5
4
2.4
1.9
2.5
2.3
2.3
3.4
4.5

June is the month with least precipitations during the year. The average precipitation totals for this month is 1.9 in. The month with most precipitation total is October.

Number of rainy days

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
2
4
6
8
10
12
14
10
10
12
9
8
5
4
6
6
5
9
12

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
6.9
7.4
6.6
5.3
4.2
3.6
3.9
4.4
5.2
6.1
6.8
7.1
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
23
23
24
24
23
21
21
19
20
21
22
23
4
3
3
4
4
4
4
5
4
5
2
4
3
4
3
2
5
6
4
7
6
6
5
4
Cloudy days   
Partly cloudy days   
Sunny days
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
1.8
2
2.3
2.4
5.2
5.4
6.4
5.4
5.2
3.6
2.8
1.7

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.

* Charts above show average data for the last 3 years.

Best time for vacation in Juneau

Sunniest months:
May 7 days
March 6 days
April 6 days
Warmest months:
July 57.9 °F
August 57.5 °F
June 55.3 °F
Warmest sea temp:
July 56.7 °F
August 56.1 °F
June 52.1 °F
Coldest months:
January 29.2 °F
December 30.1 °F
February 30.7 °F
Rainiest months:
October 12 days
January 10 days
September 9 days
Windiest months:
November 7.4 mph
January 7.1 mph
December 6.9 mph

Juneau on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
Boston
+50°F
Washington
+63°F
Hawaii
+73°F
Honolulu
+73°F
Las Vegas
+59°F
Los Angeles
+55°F
Miami
+73°F
New York
+57°F
Orlando
+70°F
San Diego
+55°F
San Francisco
+50°F
Sarasota
+66°F
Tampa
+70°F
Houston
+75°F
Chicago
+45°F
all places
24 Hours Forecast
Juneau
Local time: 02:45
April 22, tuesday
0300
39°F
NW
6 mph
0600
37°F
N
5 mph
0900
39°F
NW
4 mph
1200
39°F
NW
3 mph
1500
39°F
NW
4 mph
1800
41°F
NW
4 mph
2100
39°F
W
6 mph
April 23, wednesday
0000
39°F
W
6 mph
Units of measurement: °C / °F