January weather forecast
Bonney Lake, WA

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Weather in January

January in Bonney Lake, Washington, is a frosty winter month, with an average temperature varying between 43.3°F (6.3°C) and 33.1°F (0.6°C).

Temperature

January's presence marks an average high-temperature of a frosty 43.3°F (6.3°C), subtly varied from December's 41.4°F (5.2°C). Bonney Lake's temperature in January lowers to a consistent average of 33.1°F (0.6°C) during the nights.

Humidity

With an average relative humidity of 87%, January is the most humid month.

Rainfall

In Bonney Lake, in January, it is raining for 18.6 days, with typically 5.2" (132mm) of accumulated precipitation. In Bonney Lake, during the entire year, the rain falls for 185 days and collects up to 35.71" (907mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Bonney Lake, in January, during 2.8 snowfall days, 2.17" (55mm) of snow is typically accumulated. Throughout the year, there are 15.8 snowfall days, and 9.09" (231mm) of snow is accumulated.

Daylight

In Bonney Lake, the average length of the day in January is 9h and 1min.
On the first day of January, sunrise is at 7:55 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:08 pm PST.

Sunshine

The average sunshine in January is 4.3h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Bonney Lake, Washington. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in January?

In Bonney Lake, 43.3°F (6.3°C) is the average high-temperature and 33.1°F (0.6°C) is the average low-temperature during January.

What is the most humid month?

January is the most humid month, with an average relative humidity of 87%.

What is the average humidity in January?

The average relative humidity in January is 87%.

How much does it rain in January?

In Bonney Lake, in January, during 18.6 rainfall days, 5.2" (132mm) of precipitation is typically accumulated.

How much does it snow in January?

In Bonney Lake, during January, snow falls for 2.8 days and regularly aggregates up to 2.17" (55mm) of snow.

How many hours of daylight does Bonney Lake have in January?

In January, the average day length is 9h and 1min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:55 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:08 pm PST.

How many hours of sunshine does Bonney Lake have in January?

In January, the average sunshine duration is 4.3h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.

What is the UV index reading in January?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Bonney Lake, WA

Average temperature in January - Bonney Lake, WA
  • Average high temperature in January: 43.3°F

The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (41.4°F).

  • Average low temperature in January: 33.1°F

The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (32°F).

Average pressure in January
Bonney Lake, WA

Average pressure in January - Bonney Lake, 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
Bonney Lake, WA

Average wind speed in January - Bonney Lake, WA
  • Average wind speed in January: 4.9mph

The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in January
Bonney Lake, WA

Average humidity in January - Bonney Lake, WA
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (70%).

Average rainfall in January
Bonney Lake, WA

Average rainfall in January - Bonney Lake, WA
  • Average rainfall in January: 5.2"

The wettest month (with the highest rainfall) is December (5.35").
The driest month (with the least rainfall) is July (0.51").

Average rainfall days in January
Bonney Lake, WA

Average rainfall days in January - Bonney Lake, WA
  • Average rainfall days in January: 18.6 days

The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is August (6.8 days).

Average snowfall in January
Bonney Lake, WA

Average snowfall in January - Bonney Lake, WA
  • Average snowfall in January: 2.17"

The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Bonney Lake, WA

Average snowfall days in January - Bonney Lake, WA
  • Average snowfall days in January: 2.8 days

The month with the highest number of snowfall days is February (5.3 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
Bonney Lake, WA

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

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 36min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in January
Bonney Lake, WA

Average sunshine days in January - Bonney Lake, WA
  • Average sunshine days in January: 10.3 days

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is February (8.2 days).

Average UV index in January
Bonney Lake, WA

Average UV index in January - Bonney Lake, 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, October, November and December (UV index 2).

Average cloud cover in January
Bonney Lake, WA

Average cloud cover in January - Bonney Lake, WA
  • Average cloud cover in January: 56

The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in January
Bonney Lake, WA

Average visibility in January - Bonney Lake, WA
  • Average visibility in January: 4mi

The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).

Bonney Lake, Washington, USA

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