Weather in Juneau
What's the weather like in Juneau?
Juneau has a moderate climate and heavy rainfall, especially in the wet season. Average daytime highs range from 0°C (32°F) in January to 18°C (64°F) in July, with overnight lows around -3°C (26°F) and 12°C (54°F) respectively.
No month in Juneau sits in the typical comfort range of 18–26°C. The most temperate months are usually July and August.
Quick facts
- Country
- 🇺🇸 United States
- Region
- North America
- Time zone
- America/Juneau
- Coordinates
- 58.302, -134.420
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 0°C / 32°F | -3°C / 26°F | 301 mm | 23 | — |
| February | -1°C / 31°F | -5°C / 23°F | 213 mm | 18 | — |
| March | 2°C / 36°F | -2°C / 28°F | 184 mm | 20 | — |
| April | 6°C / 43°F | 1°C / 34°F | 193 mm | 22 | — |
| May | 13°C / 55°F | 6°C / 42°F | 166 mm | 19 | — |
| June | 16°C / 60°F | 10°C / 49°F | 179 mm | 23 | — |
| July | 18°C / 64°F | 12°C / 54°F | 227 mm | 23 | — |
| August | 17°C / 63°F | 12°C / 53°F | 362 mm | 24 | — |
| September | 14°C / 56°F | 8°C / 47°F | 387 mm | 23 | — |
| October | 8°C / 46°F | 3°C / 38°F | 361 mm | 24 | — |
| November | 2°C / 36°F | -1°C / 29°F | 308 mm | 24 | — |
| December | 0°C / 32°F | -4°C / 25°F | 308 mm | 22 | — |
Juneau by month
Detailed weather for any specific month:
Seasonal patterns to know
Atlantic hurricane season runs June–November (peak August–October). Tropical storms and hurricanes are possible — peak risk is August–October.
Cities with a similar climate to Juneau
Frequently asked questions
When is the best time to visit Juneau?
The most comfortable months in Juneau are usually June, July, August, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Juneau?
July is typically the hottest month in Juneau, averaging a high of 18°C (64°F).
What is the coldest month in Juneau?
February is usually the coldest, with average lows around -5°C (23°F).
Does it snow in Juneau?
Snow is rare in Juneau; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.