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
Temperature readings reach their annual highs in December, averaging 41.9°F (5.5°C) and a minimum average of 32.5°F (0.3°C).Humidity
January, February and December, with an average relative humidity of 86%, are the most humid months.Rainfall
In Lea Hill, in December, it is raining for 16 days, with typically 2.56" (65mm) of accumulated precipitation. In Lea Hill, during the entire year, the rain falls for 162.5 days and collects up to 17.87" (454mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Lea Hill, in December, during 1.3 snowfall days, 0.28" (7mm) of snow is typically accumulated. Throughout the year, there are 8.4 snowfall days, and 2.24" (57mm) of snow is accumulated.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:35 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:55 am and sunset at 4:28 pm PST.
Sunshine
January and December, with an average of 4.3h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Lea Hill are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Lea Hill?
Is December cold?
What is the most humid month?
What is the average humidity in December in Lea Hill?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Lea Hill have 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?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Lea Hill, WA
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (32.5°F).
Average pressure in December
Lea Hill, WA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Lea Hill, WA
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in December
Lea Hill, WA
- Average humidity in December: 86%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Lea Hill, WA
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is January (2.6").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in December
Lea Hill, WA
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in December
Lea Hill, WA
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lea Hill, WA
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.7 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
Lea Hill, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in December
Lea Hill, WA
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Lea Hill, 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
Lea Hill, WA
- Average cloud cover in December: 56
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Lea Hill, WA
- Average visibility in December: 4mi
The months with the highest visibility are July and August (6mi).
The month with the lowest visibility is December (4mi).
Lea Hill, Washington, USA
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