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
Waterville signifies an average high-temperature of a still subzero cold 30.9°F (-0.6°C) in January, closely mirroring the 30.2°F (-1°C) of December. January is noted for a mean low-temperature of 19°F (-7.2°C).Humidity
The most humid month in Waterville is January, with an average relative humidity of 90%.Rainfall
In Waterville, in January, during 8.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Waterville, during the entire year, the rain falls for 99.9 days and collects up to 10.47" (266mm) of precipitation.Snowfall
Months with snowfall in Waterville, Washington, are January through April, September through December. In Waterville, in January, during 12 snowfall days, 7.87" (200mm) of snow is typically accumulated. Throughout the year, in Waterville, there are 48.7 snowfall days, and 28.62" (727mm) of snow is accumulated.Daylight
In January, the average length of the day is 8h and 57min.On the first day of January, sunrise is at 7:48 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:59 pm PST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is it in Waterville in January?
What is the most humid month in Waterville?
What is the average humidity in January in Waterville?
How much does it rain in Waterville in January?
How many days does it snow in January in Waterville?
What is the average length of the day in January in Waterville?
When are sunrise and sunset in January in Waterville?
What is the month with the least sunshine in Waterville?
How long on average sun shines in January in Waterville?
When is the lowest UV index in Waterville?
How high is the UV index in January in Waterville?
Average temperature in January
Waterville, WA
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is August (55.8°F).
The coldest months (with the lowest average low temperature) are January and December (19°F).
Average pressure in January
Waterville, 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 (29.93"Hg).
Average wind speed in January
Waterville, WA
- Average wind speed in January: 3.5mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in January
Waterville, WA
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in January
Waterville, WA
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Waterville, WA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in January
Waterville, WA
- Average snowfall in January: 7.87"
The month with the highest snowfall is December (9.06").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in January
Waterville, WA
- Average snowfall days in January: 12 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Waterville, 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 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 6min).
Average sunshine days in January
Waterville, WA
- Average sunshine days in January: 14.4 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in January
Waterville, 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, March, October, November and December (UV index 2).
Average cloud cover in January
Waterville, WA
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Waterville, WA
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Waterville, Washington, USA
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