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
On the advent of January, Federal Way's average high-temperature exhibits a minor adjustment to a chilly 44.4°F (6.9°C) from December's 42.6°F (5.9°C). During the month of January, the temperature falls to an average of 35.1°F (1.7°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 86%.Rainfall
In Federal Way, in January, during 17.8 rainfall days, 4.53" (115mm) of precipitation is typically accumulated. Throughout the year, there are 177.2 rainfall days, and 30.79" (782mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Federal Way, in January, snow falls for 2.5 days, with typically accumulated 1.61" (41mm) of snow. In Federal Way, during the entire year, snow falls for 13.3 days and aggregates up to 7.01" (178mm) of snow.Daylight
In January, the average length of the day is 8h and 59min.On the first day of January, sunrise is at 7:56 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:09 pm PST.
Sunshine
In Federal Way, the average sunshine in January is 4.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, a daily UV index of 2 turns into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January in Federal Way?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Federal Way, WA
- Average high temperature in January: 44.4°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in January: 35.1°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in January
Federal Way, 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
Federal Way, WA
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in January
Federal Way, WA
- Average humidity in January: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is July (68%).
Average rainfall in January
Federal Way, WA
- Average rainfall in January: 4.53"
The wettest month (with the highest rainfall) is December (4.72").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Federal Way, WA
- Average rainfall days in January: 17.8 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in January
Federal Way, WA
- Average snowfall in January: 1.61"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Federal Way, WA
- Average snowfall days in January: 2.5 days
The month with the highest number of snowfall days is February (4.4 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
Federal Way, 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 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
Federal Way, WA
- Average sunshine days in January: 11 days
The month with the most sunshine days is August (22.8 days).
The months with the least sunshine days are February and November (8.5 days).
Average UV index in January
Federal Way, 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).
Average cloud cover in January
Federal Way, WA
- Average cloud cover in January: 56
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Federal Way, WA
- Average visibility in January: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).
Federal Way, Washington, USA
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