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The best time to visit Juneau
May, June, July, August and September — daytime highs around 16°C. Every number on this page is measured, not guessed.
Juneau month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 0°C | -4°C | 21 | |
| February | 0°C | -5°C | 18 | |
| March | 3°C | -2°C | 17 | |
| April | 7°C | 1°C | 18 | Shoulder |
| May | 12°C | 5°C | 18 | Best |
| June | 17°C | 10°C | 19 | Best |
| July | 19°C | 12°C | 18 | Best |
| August | 18°C | 12°C | 19 | Best |
| September | 14°C | 9°C | 21 | Best |
| October | 8°C | 4°C | 22 | Shoulder |
| November | 3°C | -1°C | 21 | |
| December | 0°C | -4°C | 22 |
The short version
Warmest: July, around 19°C by day. Coolest: January, around 0°C by day and -4°C at night. Wettest: October with about 22 wet days. Driest: March with about 17.
If you want fewer people: April, October sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit Juneau?
The best months are May, June, July, August and September, when daytime highs sit around 16°C.
What is the hottest month in Juneau?
July, with daytime highs around 19°C.
What is the wettest month in Juneau?
October, with about 22 wet days. The driest is March with about 17.
When is the cheapest time to visit Juneau?
Prices follow the weather. The months either side of the best ones — April, October — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Juneau, Alaska. Source: Open-Meteo.