Climate of Juneau

Juneau has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Juneau is 4° degrees and there is about 1793 mm of rain in a year. It is dry for 93 days a year with an average humidity of 90% and an UV-index of 2.

Climate averages for the whole year

Day: the average daily temperature during the day is between -4°C and 13°C
Night:the average nighttime temperature is between -8°C and 7°C
Sea temperature: the sea temperature is between 5°C and 14°C
Rain: it rains 172 days and there is a total of approximately 1792 mm rainfall
Snow: it snows an average of 125 days per year
Sun hours: throughout the year there are 1624 sun hours

Maximum temperature:	between -4°C and 13°C
Warmest month:	13°C in July
Coldest month:	-4°C in December
Night temperature:	between -8°C and 7°C
Sea temperature:	between 5°C and 14°C
Dry days:	68 days
Days with rain:	172 days
Days with snow:	125 days
Total rain sum:	1792 mm
Hours of sunshine:	1624 hours

Climate of Juneau
Temperature graph
Precipitation graph
Climate chart of Juneau
The best travel time for Juneau
Climate of Juneau by month
Experiences with the weather of Juneau

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Juneau.

Precipitation graph

This graph shows the average amount of rainfall per month for Juneau.

Climate table of Juneau

In this climate table you can see at a glance what the average weather per month is for Juneau. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Juneau might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	-3	-3	-1	2	8	11	13	12	9	4	-2	-4
Night temp. (°C)	-7	-8	-7	-3	2	5	7	7	4	1	-5	-7
Water temp. (°C)	6	6	5	7	9	11	13	14	12	10	9	8
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	223	118	131	107	92	83	96	156	185	218	198	185
Days with rain	10	5	6	13	18	21	20	21	22	20	10	6
Days with snow	22	17	20	16	4	-	-	-	-	5	20	21
Dry days	-	6	5	1	9	9	11	10	8	6	-	4
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	3	4	5	5	6	7	6	5	5	3	3	3
Wind force (Bft)	2	2	2	2	2	2	2	2	2	2	2	2
UV-index	1	2	2	1	3	2	3	2	2	1	1	1

Best time to visit Juneau

The best time to visit Juneau in the state of Alaska is from February and April through July. In this period you have a very cold temperature and sometimes precipitation. The highest average temperature in Juneau is 13°C in July and the lowest is -4°C in December. The average water temperature is between 5°C and 14°C.

Climate of Juneau by month

What is the average climate in a given month for Juneau? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January