January weather forecast
East Renton Highlands, WA

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Weather in January

January is a chilly winter month in East Renton Highlands, Washington, with an average temperature ranging between min 34.3°F (1.3°C) and max 44.2°F (6.8°C).

Temperature

East Renton Highlands, Washington, commences January with an average high-temperature of a chilly 44.2°F (6.8°C), maintaining a close resemblance to the previous month. The average low-temperature, in January, is a wintry 34.3°F (1.3°C).

Humidity

The months with the highest humidity in East Renton Highlands are January, February and December, with an average relative humidity of 85%.

Rainfall

In East Renton Highlands, in January, during 17.4 rainfall days, 4.96" (126mm) of precipitation is typically accumulated. Throughout the year, in East Renton Highlands, Washington, there are 175.4 rainfall days, and 33.9" (861mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in East Renton Highlands. In East Renton Highlands, during January, snow falls for 2.3 days and regularly aggregates up to 1.54" (39mm) of snow. Throughout the year, in East Renton Highlands, Washington, there are 13.6 snowfall days, and 7.6" (193mm) of snow is accumulated.

Daylight

In January, the average length of the day in East Renton Highlands is 8h and 58min.
On the first day of January in East Renton Highlands, sunrise is at 7:56 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:07 pm PST.

Sunshine

In East Renton Highlands, the average sunshine in January is 4.1h.

UV index

The months with the lowest UV index in East Renton Highlands, Washington, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 in January translates into this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

Is January cold in East Renton Highlands?

January temperatures in East Renton Highlands vary between a high-temperature of 44.2°F (6.8°C) and a low-temperature of 34.3°F (1.3°C).

What are the most humid months in East Renton Highlands?

January, February and December, with an average relative humidity of 85%, are most humid months in East Renton Highlands.

What is the average humidity in January in East Renton Highlands?

The average relative humidity in January in East Renton Highlands, Washington, is 85%.

How much does it rain in East Renton Highlands in January?

In January, in East Renton Highlands, Washington, the rain falls for 17.4 days. Throughout January, 4.96" (126mm) of precipitation is accumulated.

How much does it snow in East Renton Highlands in January?

In East Renton Highlands, during January, snow falls for 2.3 days and regularly aggregates up to 1.54" (39mm) of snow.

What is the average length of the day in January in East Renton Highlands?

In East Renton Highlands, Washington, the average day length in January is 8h and 58min.

When is the sunrise / sunset in January in East Renton Highlands?

In January, on the first day of the month, sunrise is at 7:56 am and sunset at 4:27 pm. On the last day of the month, in East Renton Highlands, Washington, sunrise is at 7:35 am and sunset at 5:07 pm PST.

How many hours of sunshine does East Renton Highlands have in January?

In January, the average sunshine duration in East Renton Highlands, Washington, is 4.1h.

When is the lowest UV index in East Renton Highlands?

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 East Renton Highlands?

The average daily maximum UV index in January in East Renton Highlands is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
East Renton Highlands, WA

Average temperature in January - East Renton Highlands, WA
  • Average high temperature in January: 44.2°F

The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in January: 34.3°F

The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).

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Average pressure in January
East Renton Highlands, WA

Average pressure in January - East Renton Highlands, 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
East Renton Highlands, WA

Average wind speed in January - East Renton Highlands, WA
  • Average wind speed in January: 5mph

The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in January
East Renton Highlands, WA

Average humidity in January - East Renton Highlands, WA
  • Average humidity in January: 85%

The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in January
East Renton Highlands, WA

Average rainfall in January - East Renton Highlands, WA
  • Average rainfall in January: 4.96"

The wettest month (with the highest rainfall) is December (5.12").
The driest month (with the least rainfall) is July (0.51").

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Average rainfall days in January
East Renton Highlands, WA

Average rainfall days in January - East Renton Highlands, WA
  • Average rainfall days in January: 17.4 days

The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (6.2 days).

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Average snowfall in January
East Renton Highlands, WA

Average snowfall in January - East Renton Highlands, WA
  • Average snowfall in January: 1.54"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
East Renton Highlands, WA

Average snowfall days in January - East Renton Highlands, WA
  • Average snowfall days in January: 2.3 days

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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Average daylight in January /
Average sunshine in January
East Renton Highlands, WA

Average daylight in January / Average sunshine in January - East Renton Highlands, 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 30min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).

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Average sunshine days in January
East Renton Highlands, WA

Average sunshine days in January - East Renton Highlands, WA
  • Average sunshine days in January: 11.1 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in January
East Renton Highlands, WA

Average UV index in January - East Renton Highlands, 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).

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Average cloud cover in January
East Renton Highlands, WA

Average cloud cover in January - East Renton Highlands, WA
  • Average cloud cover in January: 58

The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
East Renton Highlands, WA

Average visibility in January - East Renton Highlands, WA
  • Average visibility in January: 5mi

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

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East Renton Highlands, Washington, USA

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