December weather forecast
French Gulch, CA

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Weather in December

The first month of the winter, December, is still a chilly month in French Gulch, California, with an average temperature ranging between min 35.2°F (1.8°C) and max 49.3°F (9.6°C).

Temperature

With average temperatures fluctuating between a high of 49.3°F (9.6°C) and a low of 35.2°F (1.8°C), December stands out as the coldest month.

Humidity

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

Rainfall

In French Gulch, California, in December, during 13.9 rainfall days, 4.69" (119mm) of precipitation is typically accumulated. Throughout the year, there are 99.5 rainfall days, and 30.43" (773mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall in French Gulch is December, when snow falls for 0.8 days and typically aggregates up to 0.63" (16mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:15 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:53 pm PST.

Sunshine

The month with the least sunshine in French Gulch is December, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index in French Gulch, California, are February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 during December translates into the following guidance:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

What is the coldest time of year in French Gulch?

December stands out as French Gulch's coldest month, with temperatures ranging between an average high of 49.3°F (9.6°C) and a low of 35.2°F (1.8°C).

What are the temperatures in French Gulch in December?

During December, French Gulch experiences an average high-temperature of 49.3°F (9.6°C) and a low-temperature of 35.2°F (1.8°C). In June, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 84.2°F (29°C).

What is the average humidity in December in French Gulch?

In French Gulch, the average relative humidity in December is 73%.

How many days does it rain in December in French Gulch?

In French Gulch, California, during December, the rain falls for 13.9 days and regularly aggregates up to 4.69" (119mm) of precipitation.

When does it snow the most in French Gulch?

The month with the most snowfall in French Gulch is December, when snow falls for 0.8 days and typically aggregates up to 0.63" (16mm) of snow.

How many days does it snow in December in French Gulch?

In French Gulch, California, during December, snow falls for 0.8 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the month with the shortest days in French Gulch?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December in French Gulch?

The average day length in December is 9h and 19min.

What time are sunrise and sunset in December in French Gulch?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 4:43 pm. On the last day of the month, in French Gulch, sunrise is at 7:34 am and sunset at 4:53 pm PST.

What is the month with the least sunshine in French Gulch?

With an average of 5.5h of sunshine, December has the least sunshine of the year in French Gulch, California.

How long on average sun shines in December in French Gulch?

In December, the average sunshine duration is 5.5h.

When is the lowest UV index in French Gulch?

The months with the lowest UV index in French Gulch are February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in French Gulch?

In French Gulch, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
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
French Gulch, CA

Average temperature in December - French Gulch, CA
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).

Average pressure in December
French Gulch, CA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

Average wind speed in December
French Gulch, CA

Average wind speed in December - French Gulch, CA
  • Average wind speed in December: 4.5mph

The windiest months (with the highest average wind speed) are March, April, June and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.4mph).

Average humidity in December
French Gulch, CA

Average humidity in December - French Gulch, CA
  • Average humidity in December: 73%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is August (35%).

Average rainfall in December
French Gulch, CA

Average rainfall in December - French Gulch, CA
  • Average rainfall in December: 4.69"

The wettest month (with the highest rainfall) is March (5.91").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in December
French Gulch, CA

Average rainfall days in December - French Gulch, CA
  • Average rainfall days in December: 13.9 days

The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.6 days).

Average snowfall in December
French Gulch, CA

Average snowfall in December - French Gulch, CA
  • Average snowfall in December: 0.63"

The month with the highest snowfall is December (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
French Gulch, CA

Average snowfall days in December - French Gulch, CA
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
French Gulch, CA

Average daylight in December / Average sunshine in December - French Gulch, CA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
French Gulch, CA

Average sunshine days in December - French Gulch, CA
  • Average sunshine days in December: 16 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (12.7 days).

Average UV index in December
French Gulch, CA

Average UV index in December - French Gulch, CA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).

Average cloud cover in December
French Gulch, CA

Average cloud cover in December - French Gulch, CA
  • Average cloud cover in December: 40

The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 5).

Average visibility in December
French Gulch, CA

Average visibility in December - French Gulch, 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).

French Gulch, California, USA

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