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
As January takes its course, Kennewick's average high-temperature registers at a still wintry 39°F (3.9°C), closely aligning with the preceding month. The average temperature drops to a subzero cold 28.8°F (-1.8°C) during the night in the month of January.Humidity
January is the most humid month, with an average relative humidity of 80%.Rainfall
In Kennewick, in January, it is raining for 10.8 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, in Kennewick, there are 102.8 rainfall days, and 7.32" (186mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Kennewick, during January, snow falls for 2.3 days and regularly aggregates up to 1.02" (26mm) of snow. Throughout the year, there are 9.7 snowfall days, and 5.2" (132mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 7min.On the first day of the month, sunrise is at 7:39 am and sunset at 4:20 pm. On the last day of January, sunrise is at 7:20 am and sunset at 4:59 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 5.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Kennewick. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is January in Kennewick?
What is the most humid month in Kennewick?
What is the average humidity in January in Kennewick?
How much does it rain in Kennewick in January?
How many days does it snow in January in Kennewick?
What is the average length of the day in January in Kennewick?
What time are sunrise and sunset in January in Kennewick?
What is the month with the least sunshine in Kennewick?
How long on average sun shines in January in Kennewick?
When is the lowest UV index in Kennewick?
What is the UV index reading in January in Kennewick?
Average temperature in January
Kennewick, WA
- Average high temperature in January: 39°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (38.3°F).
- Average low temperature in January: 28.8°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).
Average pressure in January
Kennewick, WA
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in January
Kennewick, WA
- Average wind speed in January: 6.3mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in January
Kennewick, WA
- Average humidity in January: 80%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).
Average rainfall in January
Kennewick, WA
- Average rainfall in January: 0.91"
The wettest months (with the highest rainfall) are March and December (0.94").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in January
Kennewick, WA
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (3.5 days).
Average snowfall in January
Kennewick, WA
- Average snowfall in January: 1.02"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Kennewick, WA
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is December (3.1 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
Kennewick, 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: 5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in January
Kennewick, WA
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (15.4 days).
Average UV index in January
Kennewick, 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
Kennewick, WA
- Average cloud cover in January: 44
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in January
Kennewick, WA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Kennewick, Washington, USA
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