December weather forecastLagunitas, CA
December
Weather in December
December, the first month of the winter in Lagunitas, is also a fresh month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 55.2°F (12.9°C).Temperature
The coldest month is December, with an average high-temperature of 55.2°F (12.9°C) and an average low-temperature of 46°F (7.8°C).Humidity
In Lagunitas, the average relative humidity in December is 73%.Rainfall
In Lagunitas, during December, the rain falls for 10.9 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 80.3 rainfall days, and 15.98" (406mm) of precipitation is accumulated.Snowfall
December is the only month when snow falls in Lagunitas. December has the most snowfall days of the year. Snow falls for 0.1 days.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Lagunitas.On the first day of the month, sunrise is at 7:08 am and sunset at 4:51 pm. On the last day of December, in Lagunitas, sunrise is at 7:26 am and sunset at 5:01 pm PST.
Sunshine
December has the least sunshine of the year in Lagunitas, with an average of 5.6h of sunshine.UV index
February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Lagunitas. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Exercise prevention - Warding off sunburn is urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lagunitas, CA
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is September (70.9°F).
The month with the lowest average high temperature is December (55.2°F).
- Average low temperature in December: 46°F
The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46°F).
Average pressure in December
Lagunitas, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in December
Lagunitas, CA
- Average wind speed in December: 6.7mph
The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is November (5.9mph).
Average humidity in December
Lagunitas, CA
- Average humidity in December: 73%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Lagunitas, CA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in December
Lagunitas, CA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall days in December
Lagunitas, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Lagunitas, CA
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Lagunitas, CA
- Average sunshine days in December: 18.7 days
The months with the most sunshine days are June and July (24.8 days).
The month with the least sunshine days is March (16.6 days).
Average UV index in December
Lagunitas, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in December
Lagunitas, CA
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in December
Lagunitas, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
