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
Upon the onset of January, Selah witnesses an average high-temperature of a still cold 36.1°F (2.3°C), showing a close resemblance to the prior month. In Selah, the nighttime temperature averages to a subzero cold 25.5°F (-3.6°C) during January.Humidity
With an average relative humidity of 83%, January is the most humid month in Selah, Washington.Rainfall
In Selah, during January, the rain falls for 10.5 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Selah, there are 87.6 rainfall days, and 5.94" (151mm) of precipitation is accumulated.Snowfall
January through April, September, November and December are months with snowfall. In Selah, during January, snow falls for 4.4 days and regularly aggregates up to 1.89" (48mm) of snow. Throughout the year, there are 19.9 snowfall days, and 8.62" (219mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 4min.On the first day of January, sunrise is at 7:46 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:03 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 5.5h 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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 2 in January translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Selah?
What is the most humid month in Selah?
What is the average humidity in January in Selah?
How much does it rain in Selah in January?
How much does it snow in Selah in January?
What is the average length of the day in January in Selah?
What time are sunrise and sunset in January in Selah?
What is the month with the least sunshine in Selah?
How many hours of sunshine does Selah have in January?
What is the month with the lowest UV index in Selah?
How high is the UV index in January in Selah?
Average temperature in January
Selah, WA
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in January: 25.5°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in January
Selah, 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
Selah, WA
- Average wind speed in January: 4.3mph
The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in January
Selah, WA
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in January
Selah, WA
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in January
Selah, WA
- Average rainfall days in January: 10.5 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall in January
Selah, WA
- Average snowfall in January: 1.89"
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in January
Selah, WA
- Average snowfall days in January: 4.4 days
The month with the highest number of snowfall days is December (5.7 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
Selah, WA
- Average daylight in January: 9h and 1min
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 3min
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 30min).
Average sunshine days in January
Selah, WA
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in January
Selah, 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
Selah, WA
- Average cloud cover in January: 40
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in January
Selah, WA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Selah, Washington, USA
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