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, with an average high of 52.7°F (11.5°C) and a low of 42.1°F (5.6°C), signifies the coldest month of the year.Humidity
In December, the average relative humidity in Myrtletown is 79%.Rainfall
December is the month with the most rainfall in Myrtletown. Rain falls for 15.2 days and accumulates 5.31" (135mm) of precipitation.Snowfall
In Myrtletown, snow does not fall in January, March through December.Daylight
December has the shortest days of the year in Myrtletown, with an average of 9h and 18min of daylight.On the first day of December in Myrtletown, sunrise is at 7:22 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:59 pm PST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the UV index of 3 transforms into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Myrtletown?
What is the usual temperature for Myrtletown in December?
What is the average humidity in December in Myrtletown?
What is the rainiest month in Myrtletown?
How much does it rain in Myrtletown in December?
When it does not snow in Myrtletown?
What is the month with the shortest days in Myrtletown?
What is the average length of the day in December in Myrtletown?
When is the sunrise / sunset in December in Myrtletown?
What is the month with the least sunshine in Myrtletown?
How many hours of sunshine does Myrtletown have in December?
What are the months with the lowest UV index in Myrtletown?
How high is the UV index in December in Myrtletown?
Average temperature in December
Myrtletown, CA
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is August (69.6°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is February (41.9°F).
Average pressure in December
Myrtletown, CA
- 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 (29.96"Hg).
Average wind speed in December
Myrtletown, CA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Myrtletown, CA
- Average humidity in December: 79%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Myrtletown, CA
- Average rainfall in December: 5.31"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Myrtletown, CA
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in December
Myrtletown, CA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Myrtletown, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Myrtletown, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Myrtletown, CA
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in December
Myrtletown, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
Myrtletown, CA
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Myrtletown, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Myrtletown, California, USA
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