December weather forecastEnumclaw, WA
December
Weather in December
December, the first month of the winter in Enumclaw, is still a cold month, with temperature in the range of an average low of 30.2°F (-1°C) and an average high of 39.9°F (4.4°C).Temperature
Enumclaw's coldest month, December, registers temperatures that range from a high of 39.9°F (4.4°C) to a low of 30.2°F (-1°C).Humidity
In Enumclaw, Washington, the average relative humidity in December is 86%.Rainfall
In Enumclaw, during December, the rain falls for 17.6 days and regularly aggregates up to 5.59" (142mm) of precipitation. In Enumclaw, during the entire year, the rain falls for 181.2 days and collects up to 38.82" (986mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Enumclaw. In Enumclaw, Washington, in December, snow falls for 4.1 days, with typically accumulated 2.36" (60mm) of snow. In Enumclaw, during the entire year, snow falls for 20.8 days and aggregates up to 14.29" (363mm) of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:34 am and sunset at 4:19 pm. On the last day of December, in Enumclaw, Washington, sunrise is at 7:54 am and sunset at 4:28 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 3.9h of sunshine.UV index
The average daily maximum UV index in December in Enumclaw is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Enumclaw, WA
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (39.9°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is August (48.9°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).
Average pressure in December
Enumclaw, WA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in December
Enumclaw, 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 (3.6mph).
Average humidity in December
Enumclaw, WA
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Enumclaw, WA
- Average rainfall in December: 5.59"
The wettest month (with the highest rainfall) is January (5.71").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in December
Enumclaw, WA
- Average rainfall days in December: 17.6 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in December
Enumclaw, WA
- Average snowfall in December: 2.36"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Enumclaw, WA
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Enumclaw, WA
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in December
Enumclaw, WA
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Enumclaw, 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
Enumclaw, WA
- Average cloud cover in December: 58
The month with the most cloud cover is March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Enumclaw, WA
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).





