January weather forecast
Whittier, AK

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Weather in January

January in Whittier, Alaska brings on harsh and freezing conditions, reinforced by considerable cloud coverage and low sunshine hours that further encourage the chill. When compared to December, the initial month of the new year sees less snowfall but increased rainfall, encompassing more days with precipitation. The number of hours in the short day diminishes to 6.7 hours, limiting the window of available direct sunlight. Heavier snowfall is notable, amounting up to a maximum of 30.55" (776mm) on some days. Amid these winter conditions, residents and visitors also contend with poor visibility.

Temperature

The coldest time of the year is January, with temperatures averaging a high of 20.1°F (-6.6°C) and a low of 10.8°F (-11.8°C).

Humidity

The average relative humidity in January is 91%.

Rainfall

In Whittier, in January, during 12.1 rainfall days, 8.07" (205mm) of precipitation is typically accumulated. In Whittier, during the entire year, the rain falls for 199.9 days and collects up to 94.88" (2410mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Whittier, during January, snow falls for 17.8 days and regularly aggregates up to 30.55" (776mm) of snow. Throughout the year, in Whittier, there are 111.4 snowfall days, and 193.66" (4919mm) of snow is accumulated.

Daylight

In Whittier, the average length of the day in January is 6h and 42min.
On the first day of January in Whittier, sunrise is at 10:04 am and sunset at 3:52 pm. On the last day of the month, sunrise is at 9:14 am and sunset at 5:01 pm AKST.

Sunshine

In Whittier, the average sunshine in January is 2.5h.

UV index

The months with the lowest UV index in Whittier are January, February, April, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 1 during January translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What is the coldest month in Whittier?

In Whittier, Alaska, the average lowest temperatures are observed in January, with a high of 20.1°F (-6.6°C) and a low of 10.8°F (-11.8°C).

How cold is it in Whittier in January?

In January, in Whittier, the average high-temperature is 20.1°F (-6.6°C), and the average low-temperature is 10.8°F (-11.8°C).

What is the average humidity in January in Whittier?

In January, the average relative humidity in Whittier, Alaska, is 91%.

How much does it rain in Whittier in January?

In Whittier, during January, the rain falls for 12.1 days and regularly aggregates up to 8.07" (205mm) of precipitation.

How much does it snow in Whittier in January?

In January, in Whittier, it is snowing for 17.8 days. Throughout January, 30.55" (776mm) of snow is accumulated.

What is the average length of the day in January in Whittier?

In Whittier, Alaska, the average day length in January is 6h and 42min.

What time are sunrise and sunset in January in Whittier?

In January, on the first day of the month, sunrise is at 10:04 am and sunset at 3:52 pm. On the last day of the month, sunrise is at 9:14 am and sunset at 5:01 pm AKST.

How long on average sun shines in January in Whittier?

In January, the average sunshine duration in Whittier is 2.5h.

What is the month with the lowest UV index in Whittier?

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

What is the UV index reading in January in Whittier?

In January, the average daily maximum UV index in Whittier is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Whittier, AK

Average temperature in January - Whittier, AK
  • Average high temperature in January: 20.1°F

The warmest month (with the highest average high temperature) is July (55°F).
The month with the lowest average high temperature is January (20.1°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (44.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in January
Whittier, AK

Average pressure in January - Whittier, AK
  • Average pressure in January: 29.68"Hg

The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is November (29.65"Hg).

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Average wind speed in January
Whittier, AK

Average wind speed in January - Whittier, AK
  • Average wind speed in January: 5.9mph

The windiest month (with the highest average wind speed) is November (6.1mph).
The calmest month (with the lowest average wind speed) is July (4.1mph).

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Average humidity in January
Whittier, AK

Average humidity in January - Whittier, AK
  • Average humidity in January: 91%

The months with the highest relative humidity are March and April (92%).
The month with the lowest relative humidity is June (82%).

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Average rainfall in January
Whittier, AK

Average rainfall in January - Whittier, AK
  • Average rainfall in January: 8.07"

The wettest month (with the highest rainfall) is October (12.13").
The driest month (with the least rainfall) is June (3.9").

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Average rainfall days in January
Whittier, AK

Average rainfall days in January - Whittier, AK
  • Average rainfall days in January: 12.1 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is February (7.7 days).

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Average snowfall in January
Whittier, AK

Average snowfall in January - Whittier, AK
  • Average snowfall in January: 30.55"

The month with the highest snowfall is December (46.38").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in January
Whittier, AK

Average snowfall days in January - Whittier, AK
  • Average snowfall days in January: 17.8 days

The month with the highest number of snowfall days is December (21.9 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Whittier, AK
  • Average daylight in January: 6h and 4min

The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).

  • Average sunshine in January: 2h and 3min

The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

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Average sunshine days in January
Whittier, AK

Average sunshine days in January - Whittier, AK
  • Average sunshine days in January: 9.3 days

The month with the most sunshine days is January (9.3 days).
The month with the least sunshine days is April (5.6 days).

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Average UV index in January
Whittier, AK

Average UV index in January - Whittier, AK
  • Average UV index in January: 1

The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, April, October, November and December (UV index 1).

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Average cloud cover in January
Whittier, AK

Average cloud cover in January - Whittier, AK
  • Average cloud cover in January: 64

The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are March and June (Cloud cover 60).

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Average visibility in January
Whittier, AK

Average visibility in January - Whittier, AK
  • Average visibility in January: 4mi

The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).

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Whittier, Alaska, USA

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