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
The dawn of January sees an average high-temperature of a chilly 44.2°F (6.8°C), subtly contrasting with December's 42.3°F (5.7°C). During January, Kelso sees a mean low-temperature of 33.4°F (0.8°C).Humidity
The months with the highest humidity in Kelso, Washington, are January, February, November and December, with an average relative humidity of 88%.Rainfall
The month with the most rainfall is January, when the rain falls for 18.7 days and typically aggregates up to 3.9" (99mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Kelso. The month with the most snowfall is January, when snow falls for 1.7 days and typically aggregates up to 1.26" (32mm) of snow.Daylight
In January, the average length of the day is 9h and 7min.On the first day of January, sunrise is at 7:54 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:14 pm PST.
Sunshine
January, February and December, with an average of 3.5h of sunshine, are months with the least sunshine in Kelso.UV index
In January, the average daily maximum UV index in Kelso, Washington, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during January leads to these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
Is January cold in Kelso?
What are the most humid months in Kelso?
What is the average humidity in January in Kelso?
What is the wettest month in Kelso?
How many days does it rain in January in Kelso?
When does it snow the most in Kelso?
How much does it snow in Kelso in January?
How many hours of daylight does Kelso have in January?
When is the sunrise / sunset in January in Kelso?
What is the month with the least sunshine in Kelso?
How long on average sun shines in January in Kelso?
What is the UV index intensity in January in Kelso?
Average temperature in January
Kelso, WA
- Average high temperature in January: 44.2°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in January: 33.4°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in January
Kelso, WA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in January
Kelso, WA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in January
Kelso, WA
- Average humidity in January: 88%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Kelso, WA
- Average rainfall in January: 3.9"
The wettest month (with the highest rainfall) is January (3.9").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in January
Kelso, WA
- Average rainfall days in January: 18.7 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is July (6.1 days).
Average snowfall in January
Kelso, WA
- Average snowfall in January: 1.26"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Kelso, WA
- Average snowfall days in January: 1.7 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Kelso, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 30min).
Average sunshine days in January
Kelso, WA
- Average sunshine days in January: 10.6 days
The month with the most sunshine days is July (22 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in January
Kelso, WA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in January
Kelso, WA
- Average cloud cover in January: 64
The months with the most cloud cover are February and March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in January
Kelso, WA
- Average visibility in January: 4mi
The month with the highest visibility is August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (4mi).
Kelso, Washington, USA
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