January weather forecast
Bellevue, WA

The scenic lakeside city of Bellevue, Washington
The scenic lakeside city of Bellevue, Washington

Weather in January

January, the same as December, in Bellevue, Washington, is another chilly winter month, with an average temperature fluctuating between 35.2°F (1.8°C) and 44.4°F (6.9°C).

Temperature

In Bellevue, the average high-temperature in January is almost the same as in December - a still frosty 44.4°F (6.9°C). In January, the average low-temperature is 35.2°F (1.8°C).

Humidity

With an average relative humidity of 85%, January is the most humid month in Bellevue.

Rainfall

In Bellevue, during January, the rain falls for 11.8 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Bellevue, there are 119.1 rainfall days, and 11.97" (304mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Bellevue, Washington, during January, snow falls for 1.3 days and regularly aggregates up to 0.67" (17mm) of snow. In Bellevue, during the entire year, snow falls for 7 days and aggregates up to 3.27" (83mm) of snow.

Daylight

The average length of the day in January is 8h and 58min.
On the first day of the month, sunrise is at 7:56 am and sunset at 4:27 pm. On the last day of January, sunrise is at 7:36 am and sunset at 5:08 pm PST.

Sunshine

In Bellevue, the average sunshine in January is 4.4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in January in Bellevue?

The average high-temperature, in January, is 44.4°F (6.9°C), while the average low-temperature is 35.2°F (1.8°C).

What is the most humid month in Bellevue?

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

What is the average humidity in January in Bellevue?

In Bellevue, Washington, the average relative humidity in January is 85%.

How many days does it rain in January in Bellevue?

In Bellevue, Washington, in January, during 11.8 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

How many days does it snow in January in Bellevue?

In Bellevue, Washington, in January, snow falls for 1.3 days, with typically accumulated 0.67" (17mm) of snow.

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

In January, the average day length is 8h and 58min.

What time are sunrise and sunset in January in Bellevue?

On the first day of January in Bellevue, Washington, sunrise is at 7:56 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:08 pm PST.

How many hours of sunshine does Bellevue have in January?

In Bellevue, the average sunshine duration in January is 4.4h.

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

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

How high is the UV index in January in Bellevue?

In Bellevue, Washington, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Bellevue, WA

Average temperature in January - Bellevue, WA
  • Average high temperature in January: 44.4°F

The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (42.8°F).

  • Average low temperature in January: 35.2°F

The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is February (34.5°F).

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Average pressure in January
Bellevue, WA

Average pressure in January - Bellevue, 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).

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Average wind speed in January
Bellevue, WA

Average wind speed in January - Bellevue, WA
  • Average wind speed in January: 5mph

The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

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Average humidity in January
Bellevue, WA

Average humidity in January - Bellevue, 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 (69%).

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Average rainfall in January
Bellevue, WA

Average rainfall in January - Bellevue, WA
  • Average rainfall in January: 1.54"

The wettest month (with the highest rainfall) is December (2.01").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in January
Bellevue, WA

Average rainfall days in January - Bellevue, WA
  • Average rainfall days in January: 11.8 days

The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is August (4.1 days).

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Average snowfall in January
Bellevue, WA

Average snowfall in January - Bellevue, WA
  • Average snowfall in January: 0.67"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Bellevue, WA

Average snowfall days in January - Bellevue, WA
  • Average snowfall days in January: 1.3 days

The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Bellevue, WA
  • Average daylight in January: 8h and 58min

The month with the longest days is June (Average daylight: 15h and 55min).
The month with the shortest days is December (Average daylight: 8h and 31min).

  • Average sunshine in January: 4h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

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Average sunshine days in January
Bellevue, WA

Average sunshine days in January - Bellevue, WA
  • Average sunshine days in January: 17.1 days

The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is February (13.8 days).

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Average UV index in January
Bellevue, WA

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Bellevue, WA

Average cloud cover in January - Bellevue, WA
  • Average cloud cover in January: 55

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

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Average visibility in January
Bellevue, WA

Average visibility in January - Bellevue, WA
  • Average visibility in January: 5mi

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

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