January weather forecast
Lake Forest Park, WA

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Weather in January

January is a frosty winter month in Lake Forest Park, Washington, with an average temperature fluctuating between 44.2°F (6.8°C) and 35.8°F (2.1°C).

Temperature

At the start of January, Lake Forest Park's average high-temperature reaches a frosty 44.2°F (6.8°C), subtly different from the preceding month. In January, Lake Forest Park temperatures settle at a low of 35.8°F (2.1°C) during the nights, reflecting a minor change from daytime highs.

Humidity

The most humid month is January, with an average relative humidity of 85%.

Rainfall

January is the month with the most rainfall. Rain falls for 16.9 days and accumulates 2.87" (73mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In January, it is snowing for 1.3 days. Throughout January, 0.35" (9mm) of snow is accumulated. In Lake Forest Park, during the entire year, snow falls for 6.6 days and aggregates up to 2.6" (66mm) of snow.

Daylight

The average length of the day in January in Lake Forest Park, Washington, is 8h and 56min.
On the first day of the month, sunrise is at 7:57 am and sunset at 4:27 pm. On the last day of January, sunrise is at 7:37 am and sunset at 5:07 pm PST.

Sunshine

The months with the least sunshine are January and December, with an average of 4.4h 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 reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 2 during January leads to these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is January cold?

In Lake Forest Park, in January, the average high-temperature is 44.2°F (6.8°C), and the average low-temperature is 35.8°F (2.1°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 85%.

What is the average humidity in January?

In Lake Forest Park, the average relative humidity in January is 85%.

What is the rainiest month in Lake Forest Park?

The month with the most rainfall is January, when the rain falls for 16.9 days and typically aggregates up to 2.87" (73mm) of precipitation.

How many days does it rain in January?

In Lake Forest Park, in January, it is raining for 16.9 days, with typically 2.87" (73mm) of accumulated precipitation.

How many days does it snow in January?

In January, it is snowing for 1.3 days. Throughout January, 0.35" (9mm) of snow is accumulated.

What is the average length of the day in January?

In Lake Forest Park, the average day length in January is 8h and 56min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:57 am and sunset at 4:27 pm. On the last day of the month, in Lake Forest Park, sunrise is at 7:37 am and sunset at 5:07 pm PST.

What are the months with the least sunshine?

The months with the least sunshine are January and December, with an average of 4.4h of sunshine.

How long on average sun shines in January?

The average sunshine duration in January is 4.4h.

When is 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 reading in January?

In Lake Forest Park, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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
Lake Forest Park, WA

Average temperature in January - Lake Forest Park, WA
  • Average high temperature in January: 44.2°F

The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in January: 35.8°F

The month with the highest average low temperature is August (53.1°F).
The coldest months (with the lowest average low temperature) are February and December (35.1°F).

Average pressure in January
Lake Forest Park, WA

Average pressure in January - Lake Forest Park, WA
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in January
Lake Forest Park, WA

Average wind speed in January - Lake Forest Park, WA
  • Average wind speed in January: 5.3mph

The windiest months (with the highest average wind speed) are January and March (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

Average humidity in January
Lake Forest Park, WA

Average humidity in January - Lake Forest Park, WA
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (71%).

Average rainfall in January
Lake Forest Park, WA

Average rainfall in January - Lake Forest Park, WA
  • Average rainfall in January: 2.87"

The wettest month (with the highest rainfall) is January (2.87").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in January
Lake Forest Park, WA

Average rainfall days in January - Lake Forest Park, WA
  • Average rainfall days in January: 16.9 days

The month with the highest number of rainy days is November (17.9 days).
The month with the least rainy days is August (6.9 days).

Average snowfall in January
Lake Forest Park, WA

Average snowfall in January - Lake Forest Park, WA
  • Average snowfall in January: 0.35"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Lake Forest Park, WA

Average snowfall days in January - Lake Forest Park, WA
  • Average snowfall days in January: 1.3 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Lake Forest Park, WA

Average daylight in January / Average sunshine in January - Lake Forest Park, WA
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).

Average sunshine days in January
Lake Forest Park, WA

Average sunshine days in January - Lake Forest Park, WA
  • Average sunshine days in January: 12.3 days

The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is April (10.5 days).

Average UV index in January
Lake Forest Park, WA

Average UV index in January - Lake Forest Park, WA
  • Average UV index in January: 2

The months with the highest UV index are June and 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
Lake Forest Park, WA

Average cloud cover in January - Lake Forest Park, WA
  • Average cloud cover in January: 55

The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in January
Lake Forest Park, WA

Average visibility in January - Lake Forest Park, WA
  • Average visibility in January: 5mi

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

Lake Forest Park, Washington, USA

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