January weather forecastColton, WA
January
Weather in January
January, like December, in Colton, Washington, is a wintry winter month, with temperature in the range of an average high of 37.8°F (3.2°C) and an average low of 27°F (-2.8°C).Temperature
Colton experiences a transition to a still wintry 37.8°F (3.2°C) in average high-temperatures with the arrival of January, not greatly differing from December's 36.5°F (2.5°C). Throughout January, an average low-temperature of 27°F (-2.8°C) is expected.Humidity
With an average relative humidity of 84%, January is the most humid month.Rainfall
In Colton, Washington, in January, it is raining for 11.3 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 116.2 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall. In Colton, in January, snow falls for 2.9 days, with typically accumulated 0.87" (22mm) of snow. In Colton, during the entire year, snow falls for 14.8 days and aggregates up to 4.29" (109mm) of snow.Daylight
In Colton, the average length of the day in January is 9h and 4min.On the first day of January in Colton, sunrise is at 7:32 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:50 pm PST.
Sunshine
January has the least sunshine of the year in Colton, with an average of 5h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Colton, WA
- Average high temperature in January: 37.8°F
The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).
Average pressure in January
Colton, WA
- Average pressure in January: 30.2"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in January
Colton, WA
- Average wind speed in January: 5.2mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in January
Colton, 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 (38%).
Average rainfall in January
Colton, WA
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is March (0.98").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in January
Colton, WA
- Average rainfall days in January: 11.3 days
The months with the highest number of rainy days are March and April (13.8 days).
The month with the least rainy days is August (4.5 days).
Average snowfall in January
Colton, WA
- Average snowfall in January: 0.87"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Colton, WA
- Average snowfall days in January: 2.9 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Colton, WA
- Average daylight in January: 9h and 6min
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: 5h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in January
Colton, WA
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in January
Colton, 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
Colton, WA
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Colton, WA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
