January weather forecast
Aberdeen, WA

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Weather in January

January, like December, is another chilly winter month in Aberdeen, Washington, with an average temperature ranging between max 46°F (7.8°C) and min 37.2°F (2.9°C).

Temperature

The advent of January brings an average high-temperature of a still chilly 46°F (7.8°C), almost identical to the preceding month. A consistent nighttime average temperature of 37.2°F (2.9°C) is maintained in Aberdeen during January.

Humidity

The average relative humidity in January is 87%.

Rainfall

January is the month with the most rainfall. Rain falls for 12.3 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

January through March are months with snowfall. The months with the most snowfall are January and February, with an average 0.28" (7mm) of accumulated snow.

Ocean temperature

In Aberdeen, in January, the average water temperature is 48°F (8.9°C).
Note: Swimming in 48°F (8.9°C) poses a severe threat. Even short exposure to 55.4°F (13°C) is chilling, and going below 50°F (10°C) can cause breathing irregularities and intense cold shock, based on one's stamina.

Daylight

In Aberdeen, the average length of the day in January is 9h and 2min.
On the first day of the month, sunrise is at 8:00 am and sunset at 4:36 pm. On the last day of January, sunrise is at 7:41 am and sunset at 5:16 pm PST.

Sunshine

January has the least sunshine of the year, with an average of 3.4h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Aberdeen in January?

The high-temperature, in January, in Aberdeen, is 46°F (7.8°C), while the low-temperature averages to 37.2°F (2.9°C).

What is the average humidity in January?

The average relative humidity in January is 87%.

What is the wettest month?

January is the month with the most rainfall. Rain falls for 12.3 days and accumulates 1.93" (49mm) of precipitation.

How many days does it rain in January?

In Aberdeen, during January, the rain falls for 12.3 days and regularly aggregates up to 1.93" (49mm) of precipitation.

What is the snowiest month?

The months with the most snowfall are January and February, with an average 0.28" (7mm) of accumulated snow.

When does it start to snow?

January is the first month it typically snows. Throughout January, in the average 0.9 snowfall days, it receives 0.28" (7mm) of snow.

How cold is the water in January?

In January, the average ocean temperature is 48°F (8.9°C). Swimming in 48°F (8.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in January?

In January, the average day length is 9h and 2min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 8:00 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:16 pm PST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.4h of sunshine.

How long on average sun shines in January?

In Aberdeen, the average sunshine duration in January is 3.4h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in January?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Aberdeen, WA

Average temperature in January - Aberdeen, WA
  • Average high temperature in January: 46°F

The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in January: 37.2°F

The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (36.5°F).

Average pressure in January
Aberdeen, WA

Average pressure in January - Aberdeen, WA
  • Average pressure in January: 30.06"Hg

The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

Average wind speed in January
Aberdeen, WA

Average wind speed in January - Aberdeen, WA
  • Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).

Average humidity in January
Aberdeen, WA

Average humidity in January - Aberdeen, WA
  • Average humidity in January: 87%

The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is July (78%).

Average rainfall in January
Aberdeen, WA

Average rainfall in January - Aberdeen, WA
  • Average rainfall in January: 1.93"

The wettest month (with the highest rainfall) is January (1.93").
The driest months (with the least rainfall) are July and August (0.12").

Average rainfall days in January
Aberdeen, WA

Average rainfall days in January - Aberdeen, WA
  • Average rainfall days in January: 12.3 days

The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (3.2 days).

Average snowfall in January
Aberdeen, WA

Average snowfall in January - Aberdeen, WA
  • Average snowfall in January: 0.28"

The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in January
Aberdeen, WA

Average snowfall days in January - Aberdeen, WA
  • Average snowfall days in January: 0.9 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in January
Aberdeen, WA

Average sea temperature in January - Aberdeen, WA
  • Average sea temperature in January: 47.9°F

The best month for swimming (with the highest average sea temperature) is July (56.3°F).
The coldest month (with the lowest average sea temperature) is February (47.4°F).

Average daylight in January /
Average sunshine in January
Aberdeen, WA

Average daylight in January / Average sunshine in January - Aberdeen, WA
  • Average daylight in January: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in January
Aberdeen, WA

Average sunshine days in January - Aberdeen, WA
  • Average sunshine days in January: 15.9 days

The month with the most sunshine days is August (25.4 days).
The months with the least sunshine days are February and March (14.1 days).

Average UV index in January
Aberdeen, WA

Average UV index in January - Aberdeen, WA
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Aberdeen, WA

Average cloud cover in January - Aberdeen, WA
  • Average cloud cover in January: 64

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in January
Aberdeen, WA

Average visibility in January - Aberdeen, WA
  • Average visibility in January: 4mi

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

Aberdeen, Washington, USA

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