December weather forecast
Weed, CA

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Weather in December

December, the first month of the winter in Weed, is still a cold month, with an average temperature varying between 40.1°F (4.5°C) and 25.5°F (-3.6°C).

Temperature

December, marked by an average high-temperature of 40.1°F (4.5°C) and a low-temperature of 25.5°F (-3.6°C), is the coldest month.

Humidity

In December, the average relative humidity is 79%.

Rainfall

In December, in Weed, the rain falls for 12.6 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. Throughout the year, there are 120 rainfall days, and 22.01" (559mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In December, it is snowing for 8.5 days. Throughout December, 6.18" (157mm) of snow is accumulated. Throughout the year, there are 42.5 snowfall days, and 35.35" (898mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Weed.
On the first day of December, sunrise is at 7:17 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:50 pm PST.

Sunshine

January and December, with an average of 5.6h of sunshine, are months with the least sunshine in Weed.

UV index

The months with the lowest UV index in Weed are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What are the coldest months in Weed?

The lowest temperatures in Weed are recorded in December, with averages reaching a high of 40.1°F (4.5°C) and a low of 25.5°F (-3.6°C).

Is December cold in Weed?

In December, in Weed, the average high-temperature is 40.1°F (4.5°C), and the average low-temperature is 25.5°F (-3.6°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 84.2°F (29°C).

What is the average humidity in December in Weed?

In Weed, California, the average relative humidity in December is 79%.

How much does it rain in Weed in December?

In Weed, California, in December, it is raining for 12.6 days, with typically 3.27" (83mm) of accumulated precipitation.

How much does it snow in Weed in December?

In Weed, California, in December, snow falls for 8.5 days, with typically accumulated 6.18" (157mm) of snow.

What is the month with the shortest days in Weed?

The month with the shortest days in Weed, California, is December, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Weed?

The average day length in December is 9h and 14min.

What time are sunrise and sunset in December in Weed?

On the first day of December in Weed, California, sunrise is at 7:17 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:50 pm PST.

What are the months with the least sunshine in Weed?

The months with the least sunshine are January and December, with an average of 5.6h of sunshine.

How many hours of sunshine does Weed have in December?

The average sunshine duration in December is 5.6h.

When is the lowest UV index in Weed?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Weed, California.

What is the UV index intensity in December in Weed?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low 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
Weed, CA

Average temperature in December - Weed, CA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (40.1°F).

  • Average low temperature in December: 25.5°F

The months with the highest average low temperature are July and August (49.6°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).

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Average pressure in December
Weed, CA

Average pressure in December - Weed, CA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).

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Average wind speed in December
Weed, CA

Average wind speed in December - Weed, CA
  • Average wind speed in December: 5.6mph

The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).

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Average humidity in December
Weed, CA

Average humidity in December - Weed, CA
  • Average humidity in December: 79%

The months with the highest relative humidity are January and March (80%).
The month with the lowest relative humidity is August (48%).

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Average rainfall in December
Weed, CA

Average rainfall in December - Weed, CA
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is March (3.62").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in December
Weed, CA

Average rainfall days in December - Weed, CA
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in December
Weed, CA

Average snowfall in December - Weed, CA
  • Average snowfall in December: 6.18"

The month with the highest snowfall is January (8.58").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Weed, CA

Average snowfall days in December - Weed, CA
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is March (9.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Weed, CA
  • Average daylight in December: 9h and 1min

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 12min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Weed, CA

Average sunshine days in December - Weed, CA
  • Average sunshine days in December: 13.9 days

The month with the most sunshine days is August (24.6 days).
The month with the least sunshine days is March (10 days).

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Average UV index in December
Weed, CA

Average UV index in December - Weed, CA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Weed, CA

Average cloud cover in December - Weed, CA
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in December
Weed, CA

Average visibility in December - Weed, CA
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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Weed, California, USA

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