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, noted for its average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 32.4°F (0.2°C), is considered the coldest month.Humidity
January, February, November and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In December, in Marys Corner, the rain falls for 18.3 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. Throughout the year, in Marys Corner, there are 170.1 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
Months with snowfall in Marys Corner are January through March, November and December. In Marys Corner, in December, snow falls for 1.5 days, with typically accumulated 0.39" (10mm) of snow. In Marys Corner, during the entire year, snow falls for 10 days and aggregates up to 5.31" (135mm) of snow.Daylight
The month with the shortest days in Marys Corner, Washington, is December, with an average of 8h and 36min of daylight.On the first day of December in Marys Corner, Washington, sunrise is at 7:35 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:34 pm PST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index in Marys Corner are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What part of the year is the coldest in Marys Corner?
How cold is December in Marys Corner?
What is the most humid month in Marys Corner?
What is the average humidity in December in Marys Corner?
How much does it rain in Marys Corner in December?
How much does it snow in Marys Corner in December?
What is the month with the shortest days in Marys Corner?
How many hours of daylight does Marys Corner have in December?
When are sunrise and sunset in December in Marys Corner?
What are the months with the least sunshine in Marys Corner?
How long on average sun shines in December in Marys Corner?
What is the month with the lowest UV index in Marys Corner?
What is the UV index reading in December in Marys Corner?
Average temperature in December
Marys Corner, WA
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (32.4°F).
Average pressure in December
Marys Corner, 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
Marys Corner, WA
- Average wind speed in December: 4.6mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest months (with the lowest average wind speed) are August and September (3.5mph).
Average humidity in December
Marys Corner, WA
- Average humidity in December: 88%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Marys Corner, WA
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is January (3.54").
The driest months (with the least rainfall) are July and August (0.39").
Average rainfall days in December
Marys Corner, WA
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in December
Marys Corner, WA
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Marys Corner, WA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.4 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
Marys Corner, 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 18min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 42min).
Average sunshine days in December
Marys Corner, WA
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is February (9 days).
Average UV index in December
Marys Corner, 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
Marys Corner, WA
- Average cloud cover in December: 63
The months with the most cloud cover are February and March (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Marys Corner, 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).
Marys Corner, Washington, USA
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