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, marked by an average high-temperature of 30.2°F (-1°C) and a low-temperature of 20.3°F (-6.5°C), is the coldest month.Humidity
In Lester, the average relative humidity in December is 92%.Rainfall
In Lester, Washington, in December, during 8.1 rainfall days, 4.02" (102mm) of precipitation is typically accumulated. In Lester, Washington, during the entire year, the rain falls for 127.9 days and collects up to 28.58" (726mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Lester, Washington, in December, during 22.3 snowfall days, 27.24" (692mm) of snow is typically accumulated. Throughout the year, in Lester, there are 135.3 snowfall days, and 134.33" (3412mm) of snow is accumulated.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of December in Lester, sunrise is at 7:32 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 4:26 pm PST.
Sunshine
In December, the average sunshine in Lester is 3.1h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lester. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What time of the year is the coldest in Lester?
How cold is December in Lester?
What is the average humidity in December in Lester?
How many days does it rain in December in Lester?
How much does it snow in Lester in December?
What is the month with the shortest days in Lester?
What is the average length of the day in December in Lester?
When is the sunrise / sunset in December in Lester?
How long on average sun shines in December in Lester?
What is the month with the lowest UV index in Lester?
What is the UV index reading in December in Lester?
Average temperature in December
Lester, WA
- Average high temperature in December: 30.2°F
The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is August (45°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in December
Lester, WA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in December
Lester, WA
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in December
Lester, WA
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Lester, WA
- Average rainfall in December: 4.02"
The wettest month (with the highest rainfall) is January (4.21").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in December
Lester, WA
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Lester, WA
- Average snowfall in December: 27.24"
The month with the highest snowfall is January (27.72").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Lester, WA
- Average snowfall days in December: 22.3 days
The month with the highest number of snowfall days is December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Lester, WA
- Average daylight in December: 8h and 4min
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 36min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).
Average sunshine days in December
Lester, WA
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is February (6 days).
Average UV index in December
Lester, WA
- Average UV index in December: 1
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 1).
Average cloud cover in December
Lester, WA
- Average cloud cover in December: 70
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Lester, WA
- Average visibility in December: 3mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March and December (3mi).
Lester, Washington, USA
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