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
With the transition into January, White Swan notes an average high-temperature of a still cold 36.1°F (2.3°C), closely resembling December. White Swan throughout January, records an average low-temperature of 24.8°F (-4°C).Humidity
January is the most humid month, with an average relative humidity of 84%.Rainfall
January is the month with the most rainfall in White Swan. Rain falls for 11.9 days and accumulates 1.61" (41mm) of precipitation.Snowfall
January through April, September, November and December are months with snowfall. In White Swan, in January, during 4.8 snowfall days, 3.27" (83mm) of snow is typically accumulated. Throughout the year, there are 19.9 snowfall days, and 12.36" (314mm) of snow is accumulated.Daylight
In White Swan, the average length of the day in January is 9h and 6min.On the first day of the month, sunrise is at 7:46 am and sunset at 4:26 pm. On the last day of January, sunrise is at 7:27 am and sunset at 5:05 pm PST.
Sunshine
January has the least sunshine of the year in White Swan, with an average of 5.4h of sunshine.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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in January translates into this advice:
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. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January in White Swan?
What is the rainiest month?
How much does it rain in January?
How much does it snow in White Swan in January?
How many hours of daylight does White Swan have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
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
White Swan, WA
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in January: 24.8°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in January
White Swan, WA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in January
White Swan, WA
- Average wind speed in January: 4.6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in January
White Swan, WA
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (43%).
Average rainfall in January
White Swan, WA
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is January (1.61").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in January
White Swan, WA
- Average rainfall days in January: 11.9 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in January
White Swan, WA
- Average snowfall in January: 3.27"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in January
White Swan, WA
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is December (5.5 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
White Swan, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in January
White Swan, WA
- Average sunshine days in January: 14.3 days
The month with the most sunshine days is July (25.9 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in January
White Swan, 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
White Swan, WA
- Average cloud cover in January: 44
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in January
White Swan, WA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
White Swan, Washington, USA
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