January weather - Winter 2025

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average snowfall in January
Average snowfall days in January
Average sea temperature in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

The busy Small Boat Harbor in Seward City, Alaska

Weather in January

The chill of winter is in full swing in Seward, Alaska as January unfolds. Compared to the slightly milder December, January experiences a peak in snowfall with a considerable 9.76" (248mm). A common sight would be the pristine white snow adding splendour to Seward's landscape. Continuous snowfall also contributes to lowering visibility, making it imperative for residents and visitors to take precautionary measures while out and about. The wintry vibe is complete as cloudy skies contribute to less sunshine, making days seem shorter.

Temperature

Seward reaches its lowest average temperatures in January, measuring 24.6°F (-4.1°C) at the peak and 17.1°F (-8.3°C) at the lowest.

Humidity

In January, the average relative humidity is 86%.

Rainfall

In Seward, in January, it is raining for 10.9 days, with typically 4.49" (114mm) of accumulated precipitation. Throughout the year, there are 166.9 rainfall days, and 56.06" (1424mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Seward, Alaska, in January, during 11.1 snowfall days, 9.76" (248mm) of snow is typically accumulated. In Seward, during the entire year, snow falls for 72 days and aggregates up to 73.19" (1859mm) of snow.

Ocean temperature

In Seward, the average seawater temperature in January is 40.5°F (4.7°C).
Note: In swimming undertakings, this is deemed life-threatening and highly risky. The cold water induces intense discomfort and leads to swift hyperventilation. A specialized swimsuit is indispensable to decrease thermal injuries.

Daylight

The average length of the day in January is 6h and 52min.
On the first day of the month, sunrise is at 10:00 am and sunset at 4:01 pm. On the last day of January, sunrise is at 9:14 am and sunset at 5:08 pm AKST.

Sunshine

January and December, with an average of 3.1h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Updated: Jun 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

In Seward, Alaska, the average lowest temperatures are observed in January, with a high of 24.6°F (-4.1°C) and a low of 17.1°F (-8.3°C).

How cold is it in January?

The high-temperature, in January, in Seward, records 24.6°F (-4.1°C), while the low-temperature is 17.1°F (-8.3°C).

What is the average humidity in January?

In January, the average relative humidity is 86%.

How many days does it rain in January in Seward?

In Seward, in January, during 10.9 rainfall days, 4.49" (114mm) of precipitation is typically accumulated.

How much does it snow in January?

In Seward, during January, snow falls for 11.1 days and regularly aggregates up to 9.76" (248mm) of snow.

What is the ocean temperature in January?

In January, the average ocean temperature is 40.5°F (4.7°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the average length of the day in January?

In January, the average day length is 6h and 52min.

When are sunrise and sunset in January in Seward?

In January, on the first day of the month, sunrise is at 10:00 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 9:14 am and sunset at 5:08 pm AKST.

What is the month with the least sunshine?

The months with the least sunshine are January and December, with an average of 3.1h of sunshine.

How long on average sun shines in January in Seward?

In January, the average sunshine duration is 3.1h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, October through December, with an average maximum UV index of 1.

How high is the UV index in January?

In Seward, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

27°F -2.8°C

24.6°F -4.1°C

28°F -2.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.1mph 14.6km/h

9mph 14.5km/h

8.6mph 13.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

12.9

11.1

13.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

13.8

11.3

Average UV index

Average cloud cover

55%

54%

Average visibility

5mi 8km

Average temperature in January
Seward, AK

Average high temperature in January: 24.6°F

The warmest month (with the highest average high temperature) is July (56.8°F).
The month with the lowest average high temperature is January (24.6°F).

Average low temperature in January: 17.1°F

The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in January
Seward, AK

Average pressure in January: 29.65"Hg

The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.61"Hg).

Average wind speed in January
Seward, AK

Average wind speed in January: 8.5mph

The windiest month (with the highest average wind speed) is November (8.9mph).
The calmest month (with the lowest average wind speed) is June (4.8mph).

Average humidity in January
Seward, AK

Average humidity in January: 86%

The months with the highest relative humidity are March, April and December (87%).
The month with the lowest relative humidity is June (80%).

Average rainfall in January
Seward, AK

Average rainfall in January: 4.49"

The wettest month (with the highest rainfall) is December (7.64").
The driest month (with the least rainfall) is June (2.09").

Average rainfall days in January
Seward, AK

Average rainfall days in January: 10.9 days

The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is February (7.6 days).

Average snowfall in January
Seward, AK

Average snowfall in January: 9.76"

The month with the highest snowfall is February (18.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Seward, AK

Average snowfall days in January: 11.1 days

The month with the highest number of snowfall days is March (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in January
Seward, AK

Average sea temperature in January: 40.5°F

The best month for swimming (with the highest average sea temperature) is August (56°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

Average daylight in January /
Average sunshine in January
Seward, AK

Average daylight in January: 6h and 5min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

Average sunshine in January: 3h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).

Average sunshine days in January
Seward, AK

Average sunshine days in January: 13.8 days

The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is September (10.6 days).

Average UV index in January
Seward, AK

Average UV index in January: 1

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, October, November and December (UV index 1).

Average cloud cover in January
Seward, AK

Average cloud cover in January: 54

The month with the most cloud cover is December (Cloud cover 55).
The months with the least cloud cover are March and November (Cloud cover 50).

Average visibility in January
Seward, AK

Average visibility in January: 5mi

The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).

January weather forecast
Seward, AK

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