December weather forecast
Dobbins, CA

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Weather in December

The first month of the winter, December, is also a fresh month in Dobbins, California, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 53.6°F (12°C).

Temperature

December, noted for its average high-temperature of 53.6°F (12°C) and an average low-temperature of 39.7°F (4.3°C), is considered the coldest month.

Humidity

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

Rainfall

In December, the rain falls for 9.8 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 71.4 rainfall days, and 15.31" (389mm) of precipitation is accumulated.

Snowfall

In Dobbins, snow does not fall in January, March through December.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:51 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 5.8h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What is the coldest time of year?

The coldest time of the year is December, with temperatures averaging a high of 53.6°F (12°C) and a low of 39.7°F (4.3°C).

What are the temperatures in December?

Dobbins in December has an average high-temperature of 53.6°F (12°C) and an average low-temperature of 39.7°F (4.3°C). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 68%.

How many days does it rain in December?

In Dobbins, in December, during 9.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When it does not snow?

January, March through December are months without snowfall in Dobbins.

What is the month with the shortest days?

December has the shortest days of the year in Dobbins, with an average of 9h and 24min of daylight.

How many hours of daylight does Dobbins have in December?

In December, the average day length is 9h and 27min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:06 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:51 pm PST.

What is the month with the least sunshine?

With an average of 5.8h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Dobbins have in December?

The average sunshine duration in December is 5.8h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Dobbins, CA

Average temperature in December - Dobbins, CA
  • Average high temperature in December: 53.6°F

The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (53.6°F).

  • Average low temperature in December: 39.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).

Average pressure in December
Dobbins, CA

Average pressure in December - Dobbins, CA
  • Average pressure in December: 30.13"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
Dobbins, CA

Average wind speed in December - Dobbins, CA
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is March (6mph).
The calmest months (with the lowest average wind speed) are August and November (5mph).

Average humidity in December
Dobbins, CA

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

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (35%).

Average rainfall in December
Dobbins, CA

Average rainfall in December - Dobbins, CA
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is March (2.87").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in December
Dobbins, CA

Average rainfall days in December - Dobbins, CA
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (1.6 days).

Average snowfall in December
Dobbins, CA

Average snowfall in December - Dobbins, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Dobbins, CA

Average snowfall days in December - Dobbins, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in December
Dobbins, CA

Average sunshine days in December - Dobbins, CA
  • Average sunshine days in December: 20.7 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (17.4 days).

Average UV index in December
Dobbins, CA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Dobbins, CA

Average cloud cover in December - Dobbins, CA
  • Average cloud cover in December: 35

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
Dobbins, CA

Average visibility in December - Dobbins, 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).

Dobbins, California, USA

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