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 temperatures fluctuating between a high of 41.7°F (5.4°C) and a low of 34°F (1.1°C), December stands out as the coldest month.Humidity
January, February, November and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In December, the rain falls for 19.4 days. Throughout December, 4.53" (115mm) of precipitation is accumulated. In Lake Goodwin, during the entire year, the rain falls for 188.6 days and collects up to 34.92" (887mm) of precipitation.Snowfall
Months with snowfall in Lake Goodwin are January through April, November and December. In Lake Goodwin, in December, during 2 snowfall days, 0.67" (17mm) of snow is typically accumulated. In Lake Goodwin, during the entire year, snow falls for 11.6 days and aggregates up to 9.61" (244mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:59 am and sunset at 4:25 pm PST.
Sunshine
With an average of 4.1h of sunshine, December has the least sunshine of the year.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Lake Goodwin?
How cold is it in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index in Lake Goodwin?
How high is the UV index in December?
Average temperature in December
Lake Goodwin, WA
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure in December
Lake Goodwin, WA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Lake Goodwin, WA
- Average wind speed in December: 5.3mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in December
Lake Goodwin, WA
- Average humidity in December: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Lake Goodwin, WA
- Average rainfall in December: 4.53"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in December
Lake Goodwin, WA
- Average rainfall days in December: 19.4 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in December
Lake Goodwin, WA
- Average snowfall in December: 0.67"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lake Goodwin, WA
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (4.3 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
Lake Goodwin, WA
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- 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
Lake Goodwin, WA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index in December
Lake Goodwin, 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, October, November and December (UV index 2).
Average cloud cover in December
Lake Goodwin, WA
- Average cloud cover in December: 57
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in December
Lake Goodwin, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Lake Goodwin, Washington, USA
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