December weather forecast
Coloma, CA

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Weather in December

December, the first month of the winter in Coloma, is also a fresh month, with an average temperature ranging between min 36°F (2.2°C) and max 50.7°F (10.4°C).

Temperature

The coldest month is December, with an average high-temperature of 50.7°F (10.4°C) and an average low-temperature of 36°F (2.2°C).

Humidity

In Coloma, California, the average relative humidity in December is 68%.

Rainfall

In December, the rain falls for 11 days. Throughout December, 4.76" (121mm) of precipitation is accumulated. Throughout the year, in Coloma, there are 86.4 rainfall days, and 29.69" (754mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, in Coloma, California, it is snowing for 0.7 days. Throughout December, 0.91" (23mm) of snow is accumulated. In Coloma, during the entire year, snow falls for 6.9 days and aggregates up to 14.09" (358mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Coloma.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:52 pm PST.

Sunshine

With an average of 5.9h of sunshine, December has the least sunshine of the year in Coloma.

UV index

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 3 in December interprets into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What is the coldest month in Coloma?

Temperature records in Coloma, California, mark December as the coldest month, with highs averaging 50.7°F (10.4°C) and lows at 36°F (2.2°C).

What is the usual temperature for Coloma in December?

The high-temperature during December is 50.7°F (10.4°C) and the low-temperature is 36°F (2.2°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in September is estimated at 82.4°F (28°C).

What is the average humidity in December in Coloma?

The average relative humidity in December in Coloma, California, is 68%.

How much does it rain in Coloma in December?

In Coloma, during December, the rain falls for 11 days and regularly aggregates up to 4.76" (121mm) of precipitation.

How much does it snow in Coloma in December?

In Coloma, California, in December, snow falls for 0.7 days, with typically accumulated 0.91" (23mm) of snow.

What is the month with the shortest days in Coloma?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Coloma, California.

How many hours of daylight does Coloma have in December?

The average day length in December is 9h and 30min.

What time are sunrise and sunset in December in Coloma?

On the first day of December, sunrise is at 7:03 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:52 pm PST.

What is the month with the least sunshine in Coloma?

December has the least sunshine of the year in Coloma, California, with an average of 5.9h of sunshine.

How long on average sun shines in December in Coloma?

The average sunshine duration in December in Coloma is 5.9h.

How high is the UV index in December in Coloma?

In Coloma, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Coloma, CA

Average temperature in December - Coloma, CA
  • Average high temperature in December: 50.7°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (50.7°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is December (36°F).

Average pressure in December
Coloma, CA

Average pressure in December - Coloma, 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 June (29.9"Hg).

Average wind speed in December
Coloma, CA

Average wind speed in December - Coloma, CA
  • Average wind speed in December: 5.1mph

The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Coloma, CA

Average humidity in December - Coloma, CA
  • Average humidity in December: 68%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is July (39%).

Average rainfall in December
Coloma, CA

Average rainfall in December - Coloma, CA
  • Average rainfall in December: 4.76"

The wettest month (with the highest rainfall) is March (5.98").
The driest month (with the least rainfall) is July (0").

Average rainfall days in December
Coloma, CA

Average rainfall days in December - Coloma, CA
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is July (0.9 days).

Average snowfall in December
Coloma, CA

Average snowfall in December - Coloma, CA
  • Average snowfall in December: 0.91"

The month with the highest snowfall is February (5.16").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Coloma, CA

Average snowfall days in December - Coloma, CA
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Coloma, CA
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 5h and 5min

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 54min).

Average sunshine days in December
Coloma, CA

Average sunshine days in December - Coloma, CA
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (13.8 days).

Average UV index in December
Coloma, CA

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 2).

Average cloud cover in December
Coloma, CA

Average cloud cover in December - Coloma, CA
  • Average cloud cover in December: 33

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in December
Coloma, CA

Average visibility in December - Coloma, 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).

Coloma, California, USA

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