January weather forecastEast Renton Highlands, WA
January
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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Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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 6min
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).
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).
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).
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).
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).
