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
In Salkum, December is the coldest month, with temperatures averaging a high of 41.9°F (5.5°C) and a low of 31.8°F (-0.1°C).Humidity
In Salkum, the average relative humidity in December is 87%.Rainfall
In Salkum, in December, it is raining for 15 days, with typically 2.52" (64mm) of accumulated precipitation. In Salkum, Washington, during the entire year, the rain falls for 149 days and collects up to 19.37" (492mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Salkum. In December, it is snowing for 1.2 days. Throughout December, 0.43" (11mm) of snow is accumulated. In Salkum, during the entire year, snow falls for 10.2 days and aggregates up to 5.91" (150mm) of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year in Salkum.On the first day of the month, sunrise is at 7:34 am and sunset at 4:24 pm. On the last day of December, in Salkum, Washington, sunrise is at 7:54 am and sunset at 4:33 pm PST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 3.7h of sunshine.UV index
In Salkum, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Boost your sun resistance with garments that are densely woven yet spacious. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Salkum?
Is December cold in Salkum?
What is the average humidity in December in Salkum?
How much does it rain in Salkum in December?
How much does it snow in Salkum in December?
What is the month with the shortest days in Salkum?
What is the average length of the day in December in Salkum?
When are sunrise and sunset in December in Salkum?
What are the months with the least sunshine in Salkum?
How many hours of sunshine does Salkum have in December?
How high is the UV index in December in Salkum?
Average temperature in December
Salkum, WA
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure in December
Salkum, WA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Salkum, WA
- Average wind speed in December: 4.9mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Salkum, WA
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in December
Salkum, WA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Salkum, WA
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.9 days).
Average snowfall in December
Salkum, WA
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Salkum, WA
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Salkum, WA
- Average daylight in December: 8h and 4min
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 December: 3h and 4min
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 42min).
Average sunshine days in December
Salkum, WA
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in December
Salkum, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Salkum, WA
- Average cloud cover in December: 61
The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Salkum, WA
- Average visibility in December: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
Salkum, Washington, USA
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