Juneau, United States — Weather in January 2027

Climate Overview

Juneau, United States in January has cold conditions, with highs averaging around -0.7°C (31°F). Rain falls on about 21 days this month, totalling around 286 mm.

This month falls at the middle of Winter. Cold conditions dominate the month.

Temperatures remain fairly steady throughout January, with daily highs around 0°C (32°F).

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 1.6h of sunshine at the start of January, increasing to 2.4h by the end.

The warmest days tend to fall around the 25th, averaging 1.8°C (35°F).

Monthly January Averages

Temperature

-1°C / -4°C

Feels Like

-4°C / -8°C

Rain

21 days · 286 mm

Sunshine

1.9h / day

Humidity

80% — Very Humid

Wind

12 km/h

Wind Direction

E (85°)

Gusts

46 km/h

Daylight

7.3 h

Cloud Cover

79%

Clear Sky Days

2.8

UV Index

0.4 — Low

Dew Point

-5°C — Dry

Moon Phase

First Quarter · 46%

Snow Days

23 days · 146.8 cm

Frost Days

19 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 08:33

Daylight 7.2h

Sunset 15:42

What to Expect

Cold daytime highs of -1°C (31°F) mean shorter outdoor excursions with warming breaks. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

3 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	-1°C / -4°C	-4°C / -8°C	21days (286 mm) Wet	1.9h Poor	80% Humid	0.4 Low	Wet	View Details
February	-1°C / -5°C	-5°C / -9°C	17days (204 mm) Wet	4.2h Fair	77% Humid	1.2 Low	Wet	View Details
March	2°C / -2°C	-1°C / -6°C	17days (168 mm) Wet	6.1h Fair	77% Humid	2.4 Moderate	Poor	View Details
April	6°C / 1°C	4°C / -2°C	18days (162 mm) Wet	7.7h Good	80% Humid	3.2 Moderate	Wet	View Details
May	11°C / 5°C	9°C / 2°C	19days (187 mm) Wet	8.9h Good	82% Humid	3.1 Moderate	Wet	View Details
June best	16°C / 10°C	16°C / 9°C	20days (158 mm) Wet	9.5h Good	81% Humid	4.1 Moderate	Wet	View Details
July best	19°C / 13°C	19°C / 13°C	19days (178 mm) Wet	8.9h Good	84% Humid	3.8 Moderate	Wet	View Details
August best	18°C / 12°C	19°C / 12°C	19days (251 mm) Wet	8h Good	85% Humid	3.8 Moderate	Wet	View Details
September best	15°C / 9°C	14°C / 7°C	20days (313 mm) Wet	5.8h Fair	85% Humid	1.9 Low	Wet	View Details
October	8°C / 3°C	6°C / 0°C	22days (342 mm) Wet	3.7h Poor	85% Humid	1.2 Low	Wet	View Details
November	2°C / -2°C	-2°C / -6°C	21days (258 mm) Wet	2.2h Poor	81% Humid	0.5 Low	Wet	View Details
December	-1°C / -5°C	-5°C / -9°C	20days (290 mm) Wet	1.3h Poor	80% Humid	0.3 Low	Wet	View Details

What to Wear

Full winter gear is a must — insulated coat, thermal base layers, warm hat, gloves, and waterproof boots.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm coatThermal base layersScarf & glovesUmbrellaWaterproof jacketWaterproof shoes

Frequently Asked Questions

Expand all

Is January a good time to visit Juneau?

January is typically wet for visiting Juneau, with average highs of -1°C (31°F) and around 21 rainy days. Juneau, United States in January has cold conditions, with highs averaging around -0.7°C (31°F). Rain falls on about 21

Does it rain a lot in Juneau in January?

Juneau typically sees around 21 rainy days in January with 286 mm (11.3 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Juneau in January?

Yes, nights in Juneau during January are cold, averaging -4°C (25°F). Pack warm layers and a coat for evenings.

What should I pack for Juneau in January?

With highs of -1°C (31°F) and lows of -4°C (25°F) in January, we recommend: Warm coat, Thermal base layers, Scarf & gloves, Umbrella, Waterproof jacket. Comfortable walking shoes are essential.

Is January among the best months weather-wise in Juneau?

January is not the most favourable month weather-wise in Juneau. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Juneau in January?

The average UV index in Juneau during January is 0 (low). No special sun protection is needed.

How many hours of daylight are there in Juneau in January?

Juneau gets approximately 7 hours of daylight per day in January, with around 2 hours of sunshine.

Does it snow in Juneau in January?

Yes, Juneau typically sees around 23 snow days in January with roughly 147 cm (58 in) of snowfall.

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