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
Royal City, Washington, experiences a minor change to a still icy 35.4°F (1.9°C) in average high-temperature during January, closely reflecting December. Royal City, during the month of January, experiences an average low-temperature of 25.9°F (-3.4°C).Humidity
January is the most humid month in Royal City, with an average relative humidity of 83%.Rainfall
The wettest months in Royal City are January and December, with an average 0.87" (22mm) of rainfall.Snowfall
January through April, September, November and December are months with snowfall in Royal City, Washington. In Royal City, during January, snow falls for 6.3 days and regularly aggregates up to 2.99" (76mm) of snow. Throughout the year, there are 22.3 snowfall days, and 10" (254mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 2min.On the first day of the month, sunrise is at 7:43 am and sunset at 4:20 pm. On the last day of January, sunrise is at 7:24 am and sunset at 4:59 pm PST.
Sunshine
With an average of 4.9h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Royal City. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in January transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is it in Royal City in January?
What is the most humid month in Royal City?
What is the average humidity in January in Royal City?
What is the rainiest month in Royal City?
How much does it rain in Royal City in January?
How much does it snow in Royal City in January?
How many hours of daylight does Royal City have in January?
When is the sunrise / sunset in January in Royal City?
What is the month with the least sunshine in Royal City?
How many hours of sunshine does Royal City have in January?
What is the month with the lowest UV index in Royal City?
How high is the UV index in January in Royal City?
Average temperature in January
Royal City, WA
- Average high temperature in January: 35.4°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in January: 25.9°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in January
Royal City, WA
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in January
Royal City, WA
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in January
Royal City, WA
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in January
Royal City, WA
- Average rainfall in January: 0.87"
The wettest months (with the highest rainfall) are January and December (0.87").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in January
Royal City, WA
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in January
Royal City, WA
- Average snowfall in January: 2.99"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in January
Royal City, WA
- Average snowfall days in January: 6.3 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Royal City, WA
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
Royal City, WA
- Average sunshine days in January: 18 days
The months with the most sunshine days are July and August (25.8 days).
The month with the least sunshine days is February (16 days).
Average UV index in January
Royal City, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Royal City, WA
- Average cloud cover in January: 47
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in January
Royal City, 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).
Royal City, Washington, USA
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