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
With average high and low temperatures of 43.5°F (6.4°C) and 34.3°F (1.3°C) respectively, December is Normandy Park's coldest month.Humidity
January and December, with an average relative humidity of 85%, are the most humid months.Rainfall
The month with the most rainfall in Normandy Park is December, when the rain falls for 13.5 days and typically aggregates up to 2.2" (56mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Normandy Park, during December, snow falls for 1.6 days and regularly aggregates up to 0.47" (12mm) of snow. In Normandy Park, during the entire year, snow falls for 9.8 days and aggregates up to 4.72" (120mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Normandy Park.On the first day of December, sunrise is at 7:36 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 4:28 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 4.1h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Normandy Park, Washington. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What part of the year is the coldest in Normandy Park?
How cold does it get in Normandy Park in December?
What are the most humid months in Normandy Park?
What is the average humidity in December in Normandy Park?
What is the wettest month in Normandy Park?
How many days does it rain in December in Normandy Park?
How much does it snow in Normandy Park in December?
What is the month with the shortest days in Normandy Park?
What is the average length of the day in December in Normandy Park?
When is the sunrise / sunset in December in Normandy Park?
What is the month with the least sunshine in Normandy Park?
How many hours of sunshine does Normandy Park have in December?
What is the month with the lowest UV index in Normandy Park?
How high is the UV index in December in Normandy Park?
Average temperature in December
Normandy Park, WA
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in December
Normandy Park, WA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in December
Normandy Park, WA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.6mph).
Average humidity in December
Normandy Park, WA
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in December
Normandy Park, WA
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is December (2.2").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Normandy Park, WA
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in December
Normandy Park, WA
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Normandy Park, WA
- Average snowfall days in December: 1.6 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
Normandy Park, WA
- Average daylight in December: 8h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in December
Normandy Park, WA
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in December
Normandy Park, WA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Normandy Park, WA
- Average cloud cover in December: 58
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Normandy Park, WA
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
Normandy Park, Washington, USA
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