Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Kettle Falls records the coldest temperatures in December, averaging a high of 28.9°F (-1.7°C) and a low of 16.9°F (-8.4°C).Humidity
In Kettle Falls, the average relative humidity in December is 91%.Rainfall
In Kettle Falls, during December, the rain falls for 11.7 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 156.3 rainfall days, and 16.18" (411mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall. In Kettle Falls, in December, snow falls for 13.7 days, with typically accumulated 6.5" (165mm) of snow. In Kettle Falls, Washington, during the entire year, snow falls for 53.2 days and aggregates up to 25.16" (639mm) of snow.Daylight
The month with the shortest days in Kettle Falls is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 3:58 pm. On the last day of December, sunrise is at 7:44 am and sunset at 4:06 pm PST.
Sunshine
The average sunshine in December in Kettle Falls is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Kettle Falls. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What month is the coldest in Kettle Falls?
How cold is December in Kettle Falls?
What is the average humidity in December in Kettle Falls?
How many days does it rain in December in Kettle Falls?
How much does it snow in Kettle Falls in December?
What is the month with the shortest days in Kettle Falls?
How many hours of daylight does Kettle Falls have in December?
When are sunrise and sunset in December in Kettle Falls?
How long on average sun shines in December in Kettle Falls?
When is the lowest UV index in Kettle Falls?
How high is the UV index in December in Kettle Falls?
Average temperature in December
Kettle Falls, WA
- Average high temperature in December: 28.9°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in December: 16.9°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (16°F).
Average pressure in December
Kettle Falls, WA
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Kettle Falls, WA
- Average wind speed in December: 3mph
The windiest month (with the highest average wind speed) is April (3.9mph).
The calmest months (with the lowest average wind speed) are January, February and December (3mph).
Average humidity in December
Kettle Falls, WA
- Average humidity in December: 91%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Kettle Falls, WA
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in December
Kettle Falls, WA
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in December
Kettle Falls, WA
- Average snowfall in December: 6.5"
The month with the highest snowfall is January (6.61").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Kettle Falls, WA
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Kettle Falls, WA
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Kettle Falls, WA
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (9 days).
Average UV index in December
Kettle Falls, WA
- Average UV index in December: 1
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 1).
Average cloud cover in December
Kettle Falls, WA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Kettle Falls, WA
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Kettle Falls, Washington, USA
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