Juneau, AK weather in January
January in Juneau: cold and snowy. Highs 33°F, lows 24°F, about 20 wet days and about 24.5 in of snow. This is the depth of winter in Juneau. Expect snow on the ground at times.
- Normal high
- 33°F
- Normal low
- 24°F
- Wet days
- 20
- 6.0 in total
- Snowfall
- 24.5 in
- snow on the ground 18 days
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 33°F | 34°F |
| Normal low | 24°F | 24°F |
| Chance of a wet day | 66% | 64% |
| Sunrise / sunset | 8:45 am / 3:17 pm | 8:04 am / 4:17 pm |
| Daylight | 6.5 h | 8.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Alaska Time).
A typical January day
- 6 am28°Fdew point 24°F
- 9 am29°Fdew point 25°F
- Noon31°Fdew point 26°F
- 3 pm31°Fdew point 26°F
- 6 pm30°Fdew point 26°F
- 9 pm29°Fdew point 25°F
NOAA hourly normals (local standard time) from Juneau Intl Airport (7 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow20 of 31
- Notable rainat least 0.10 in13 of 31
- Freezing nightslow 32°F or below23 of 31
- Snow on the groundsnow depth 1 in or more18 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain and snow in January
Normal precipitation is 6.0 in; a dry January brings about 4.8 in and a wet one about 7.6 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 24.5 in, with about 6 days of an inch or more.
How January varies from year to year
- Warmest January, 1991-20202001: average high 41°F
- Coolest January1996: average high 23°F
- Wettest January2015: 12.0 in
- Driest January1995: 1.9 in
- Highest reading53°F (January 15, 2018)
- Lowest reading-9°F (January 7, 2009)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 35°F | 33°F | 36°F |
| Normal low | 26°F | 24°F | 25°F |
| Wet days | 21 | 20 | 17 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 6.5 h | 7.3 h | 9.4 h |
Highs change by -2°F from December and +3°F into February.
Nearby alternatives in January
- Warmer: Sitka, AK93 mi · high 41°F · 21 wet days
- Drier: Skagway, AK86 mi · high 31°F · 13 wet days
How Juneau ranks in January
- Normal high312th warmest of 378 cities; 3rd of 8 in Alaska
- Wet days375th driest of 378
- Comfortable days269th most of 339
What to pack for Juneau in January
- A warm jacket – lows near 24°F, highs near 33°F
- A rain jacket or umbrella – rain or snow on about 20 days
- Waterproof boots – snow on the ground on about 18 days
- A hat and gloves – about 23 freezing nights
Heating and cooling
January has 1133 heating degree days and 0 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.
Questions
How cold is Juneau in January?
The normal high is 33°F and the normal low is 24°F. From 1991 to 2020 the coldest January reading was -9°F (January 7, 2009).
Does it rain a lot in Juneau in January?
About 20 days in January have at least 0.01 in of precipitation, and the normal total is 6.0 in. The wettest January in 1991-2020 was in 2015 (12.0 in); the driest was in 1995 (1.9 in).
Does it snow in Juneau in January?
Yes. Normal snowfall in January is 24.5 in, and snow covers the ground on about 18 days.
Is January a good time to visit Juneau?
January ranks 12th of 12 months on our comfort score for Juneau (17 out of 100). It has almost no comfortable days. The best months are June, July and August.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Juneau Intl Airport (USW00025309), 6.5 mi NW of the city center, 16 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Juneau International (703810-25309), 6.1 mi NW of the city center, 19 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).