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
December, with its average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 32.7°F (0.4°C), holds the record as the coldest month.Humidity
In Winlock, the average relative humidity in December is 88%.Rainfall
In Winlock, during December, the rain falls for 19.8 days and regularly aggregates up to 4.8" (122mm) of precipitation. Throughout the year, there are 188.7 rainfall days, and 33.54" (852mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Winlock, in December, snow falls for 0.9 days, with typically accumulated 0.31" (8mm) of snow. In Winlock, during the entire year, snow falls for 7.5 days and aggregates up to 4.45" (113mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:55 am and sunset at 4:34 pm PST.
Sunshine
The months with the least sunshine are February and December, with an average of 3.6h 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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Winlock?
Is it cold in Winlock during December?
What is the average humidity in December in Winlock?
How many days does it rain in December in Winlock?
How much does it snow in Winlock in December?
What is the month with the shortest days in Winlock?
What is the average length of the day in December in Winlock?
What time are sunrise and sunset in December in Winlock?
What are the months with the least sunshine in Winlock?
How long on average sun shines in December in Winlock?
What is the month with the lowest UV index in Winlock?
How high is the UV index in December in Winlock?
Average temperature in December
Winlock, WA
- Average high temperature in December: 42.3°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 (42.3°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in December
Winlock, WA
- Average pressure in December: 30.09"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 December
Winlock, WA
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Winlock, WA
- Average humidity in December: 88%
The months with the highest relative humidity are February and November (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Winlock, WA
- Average rainfall in December: 4.8"
The wettest month (with the highest rainfall) is January (5.12").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in December
Winlock, WA
- Average rainfall days in December: 19.8 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is July (7.4 days).
Average snowfall in December
Winlock, WA
- Average snowfall in December: 0.31"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Winlock, WA
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Winlock, 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 42min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are February and December (Average sunshine: 3h and 36min).
Average sunshine days in December
Winlock, WA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Winlock, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Winlock, WA
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Winlock, WA
- Average visibility in December: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Winlock, Washington, USA
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