January weather forecastSouth Colby, WA
January
Weather in January
January, like December, is another chilly winter month in South Colby, Washington, with an average temperature fluctuating between 36.1°F (2.3°C) and 45°F (7.2°C).Temperature
As South Colby welcomes January, the average high-temperature is noted at a still chilly 45°F (7.2°C), closely aligning with the preceding month. Recording a slight decline in temperature during the nights, South Colby's January temperatures average at a cold 36.1°F (2.3°C).Humidity
The average relative humidity in January is 86%.Rainfall
The months with the most rainfall are January and December, with an average 2.05" (52mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In South Colby, in January, during 1.7 snowfall days, 0.63" (16mm) of snow is typically accumulated. In South Colby, during the entire year, snow falls for 7 days and aggregates up to 2.36" (60mm) of snow.Daylight
In South Colby, the average length of the day in January is 8h and 58min.On the first day of the month, sunrise is at 7:57 am and sunset at 4:29 pm. On the last day of January, sunrise is at 7:37 am and sunset at 5:09 pm PST.
Sunshine
In South Colby, the average sunshine in January is 4.2h.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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in January translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
South Colby, WA
- Average high temperature in January: 45°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).
- Average low temperature in January: 36.1°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 (34.9°F).
Average pressure in January
South Colby, WA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in January
South Colby, WA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in January
South Colby, WA
- Average humidity in January: 86%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
South Colby, WA
- Average rainfall in January: 2.05"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in January
South Colby, WA
- Average rainfall days in January: 13.4 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in January
South Colby, WA
- Average snowfall in January: 0.63"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
South Colby, WA
- Average snowfall days in January: 1.7 days
The month with the highest number of snowfall days is February (2.8 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
South Colby, 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 12min
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
South Colby, WA
- Average sunshine days in January: 14.9 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in January
South Colby, 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
South Colby, 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 25).
Average visibility in January
South Colby, 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).
