Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The advent of January signifies a minor shift to an average high-temperature of a still chilly 44.6°F (7°C), aligning closely with December. The average low-temperature, in January, is a cold 35.2°F (1.8°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 85%.Rainfall
In January, in Burien, the rain falls for 12.3 days. Throughout January, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 138.2 rainfall days, and 14.09" (358mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Burien, in January, during 1.9 snowfall days, 0.83" (21mm) of snow is typically accumulated. Throughout the year, there are 9.8 snowfall days, and 4.72" (120mm) of snow is accumulated.Daylight
In Burien, 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 4:28 pm. On the last day of January, sunrise is at 7:36 am and sunset at 5:08 pm PST.
Sunshine
In Burien, the average sunshine in January is 4.2h.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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 2 in January transforms into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Burien?
What is the most humid month in Burien?
What is the average humidity in January in Burien?
How many days does it rain in January in Burien?
How much does it snow in Burien in January?
What is the average length of the day in January in Burien?
When is the sunrise / sunset in January in Burien?
How long on average sun shines in January in Burien?
What are the months with the lowest UV index in Burien?
What is the UV index intensity in January in Burien?
Average temperature in January
Burien, WA
- Average high temperature in January: 44.6°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in January
Burien, WA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in January
Burien, WA
- Average wind speed in January: 5.2mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.6mph).
Average humidity in January
Burien, WA
- Average humidity in January: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in January
Burien, WA
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is December (2.2").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Burien, WA
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in January
Burien, WA
- Average snowfall in January: 0.83"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Burien, WA
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (3.4 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
Burien, 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 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in January
Burien, WA
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in January
Burien, WA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Burien, WA
- Average cloud cover in January: 57
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
Burien, 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).
Burien, Washington, USA
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