January weather forecastMcKenna, WA
January
Weather in January
January, the same as December, in McKenna, Washington, is a frosty winter month, with temperature in the range of an average low of 34.2°F (1.2°C) and an average high of 45.1°F (7.3°C).Temperature
McKenna starts January with an average high-temperature of a still chilly 45.1°F (7.3°C), a minor shift from December's 43°F (6.1°C). McKenna's average low-temperature is measured at a wintry 34.2°F (1.2°C) during January.Humidity
The months with the highest humidity are January, February, November and December, with an average relative humidity of 87%.Rainfall
In McKenna, in January, during 17.8 rainfall days, 4.92" (125mm) of precipitation is typically accumulated. Throughout the year, there are 178.1 rainfall days, and 33.82" (859mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in McKenna. In McKenna, in January, during 1.9 snowfall days, 1.97" (50mm) of snow is typically accumulated. In McKenna, during the entire year, snow falls for 9 days and aggregates up to 6.38" (162mm) of snow.Daylight
In McKenna, the average length of the day in January is 9h and 2min.On the first day of the month, sunrise is at 7:55 am and sunset at 4:31 pm. On the last day of January, in McKenna, sunrise is at 7:36 am and sunset at 5:11 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 4h of sunshine.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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
McKenna, WA
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in January: 34.2°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in January
McKenna, 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
McKenna, WA
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
McKenna, WA
- Average humidity in January: 87%
The months with the highest relative humidity are January, February, November and December (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
McKenna, WA
- Average rainfall in January: 4.92"
The wettest month (with the highest rainfall) is December (5.28").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in January
McKenna, WA
- Average rainfall days in January: 17.8 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in January
McKenna, WA
- Average snowfall in January: 1.97"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
McKenna, WA
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (3.2 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
McKenna, WA
- Average daylight in January: 9h and 0min
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: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in January
McKenna, WA
- Average sunshine days in January: 11.1 days
The month with the most sunshine days is August (23.4 days).
The months with the least sunshine days are February and March (8.8 days).
Average UV index in January
McKenna, WA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
McKenna, WA
- Average cloud cover in January: 59
The months with the most cloud cover are January, February, March and December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
McKenna, WA
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
