December weather forecast
Lagunitas, CA

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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.
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Frequently asked questions

What month is the coldest in Lagunitas?

In Lagunitas, December is the month with the lowest recorded average temperatures, measuring a high of 55.2°F (12.9°C) and a low of 46°F (7.8°C).

What are the temperatures in Lagunitas in December?

The high-temperature, in December, in Lagunitas, records 55.2°F (12.9°C), while the low-temperature is 46°F (7.8°C).

What is the average humidity in December in Lagunitas?

In December, the average relative humidity in Lagunitas, California, is 73%.

How many days does it rain in December in Lagunitas?

In December, the rain falls for 10.9 days. Throughout December, 2.83" (72mm) of precipitation is accumulated.

What is the snowiest month in Lagunitas?

The month with the most snowfall days in Lagunitas is December, when snow falls for 0.1 days.

When does it start snowing in Lagunitas?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days in Lagunitas?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Lagunitas.

How many hours of daylight does Lagunitas have in December?

In December, the average day length in Lagunitas, California, is 9h and 35min.

What time are sunrise and sunset in December in Lagunitas?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:51 pm. On the last day of the month, in Lagunitas, California, sunrise is at 7:26 am and sunset at 5:01 pm PST.

What is the month with the least sunshine in Lagunitas?

December has the least sunshine of the year in Lagunitas, California, with an average of 5.6h of sunshine.

How many hours of sunshine does Lagunitas have in December?

The average sunshine duration in December is 5.6h.

When is the lowest UV index in Lagunitas?

The months with the lowest UV index in Lagunitas are February, November and December, with an average maximum UV index of 3.

What is the UV index reading in December in Lagunitas?

In December, the average daily maximum UV index in Lagunitas is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lagunitas, CA

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).

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Average pressure in December
Lagunitas, CA

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).

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Average wind speed in December
Lagunitas, CA

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).

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Average humidity in December
Lagunitas, CA

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%).

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Average rainfall in December
Lagunitas, CA

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").

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Average rainfall days in December
Lagunitas, CA

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).

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Average snowfall days in December
Lagunitas, CA

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).

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Average daylight in December /
Average sunshine in December
Lagunitas, CA

Average daylight in December / Average sunshine in December - Lagunitas, CA
  • Average daylight in December: 9h and 4min

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 4min

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).

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Average sunshine days in December
Lagunitas, CA

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).

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Average UV index in December
Lagunitas, CA

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).

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Average cloud cover in December
Lagunitas, CA

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).

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Average visibility in December
Lagunitas, CA

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).

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Lagunitas, California, USA

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