December weather forecast
Fulton, CA

Weather in December

The first month of the winter, December, is also a moderate month in Fulton, California, with average temperature fluctuating between 55.8°F (13.2°C) and 40.5°F (4.7°C).

Temperature

December is the coldest month, with an average high-temperature of 55.8°F (13.2°C) and an average low-temperature of 40.5°F (4.7°C).

Humidity

In Fulton, the average relative humidity is 74%.

Rainfall

In Fulton, in December, during 11.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 80.5 rainfall days, and 17.6" (447mm) of precipitation is accumulated.

Daylight

The month with the shortest days in Fulton is December, with an average of 9.5h of daylight.

Sunshine

With an average of 5.6h of sunshine, December has the least sunshine of the year in Fulton.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the coldest month in Fulton?

The coldest month in Fulton, California, is December, with an average high-temperature of 55.8°F (13.2°C) and an average low-temperature of 40.5°F (4.7°C).

What is the average humidity in December in Fulton?

In December, the average relative humidity in Fulton is 74%.

How many days does it rain in December in Fulton?

In December, in Fulton, California, the rain falls for 11.6 days. Throughout December, 3.27" (83mm) of precipitation is accumulated.

What is the month with the shortest days in Fulton?

With an average of 9.5h of daylight, December has the shortest days of the year.

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

In Fulton, California, the average length of the day in December is 9.5h.

What is the month with the least sunshine in Fulton?

The month with the least sunshine in Fulton is December, with an average of 5.6h of sunshine.

How many hours of sunshine does Fulton have in December?

The average sunshine in December is 5.6h.

What is the month with the lowest UV index in Fulton?

Months with the lowest UV index in Fulton are January, February, November and December, with an average maximum UV index of 3.

What is the UV index reading in December in Fulton?

In December, the average daily maximum UV index in Fulton is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in December
Fulton, CA

Average temperature in December - Fulton, CA
  • Average high temperature in December: 55.8°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).

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Average pressure in December
Fulton, CA

Average pressure in December - Fulton, CA
  • Average pressure in December: 30.1"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in December
Fulton, CA

Average wind speed in December - Fulton, CA
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is May (6.4mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

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Average humidity in December
Fulton, CA

Average humidity in December - Fulton, CA
  • Average humidity in December: 74%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (58%).

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Average rainfall in December
Fulton, CA

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

The wettest month (with the highest rainfall) is February (3.78").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Fulton, CA

Average rainfall days in December - Fulton, CA
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1 days).

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

Average daylight in December / Average sunshine in December - Fulton, CA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.6h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.6h).

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Average sunshine days in December
Fulton, CA

Average sunshine days in December - Fulton, CA
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (15.3 days).

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Average UV index in December
Fulton, CA

Average UV index in December - Fulton, CA
  • Average UV index in December: 3

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in December
Fulton, CA

Average cloud cover in December - Fulton, CA
  • Average cloud cover in December: 38

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in December
Fulton, CA

Average visibility in December - Fulton, CA
  • Average visibility in December: 6mi

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

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