December weather forecast
Sonora, CA

Share

Weather in December

December, the first month of the winter in Sonora, is still a cool month, with an average temperature ranging between min 37.2°F (2.9°C) and max 52.9°F (11.6°C).

Temperature

With average temperatures fluctuating between a high of 52.9°F (11.6°C) and a low of 37.2°F (2.9°C), December stands out as the coldest month.

Humidity

The average relative humidity in December is 66%.

Rainfall

In Sonora, in December, during 9.5 rainfall days, 3.98" (101mm) of precipitation is typically accumulated. In Sonora, during the entire year, the rain falls for 76.7 days and collects up to 23.9" (607mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Sonora, in December, during 0.2 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, in Sonora, there are 2.1 snowfall days, and 4.41" (112mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Sonora, with an average of 9h and 36min of daylight.
On the first day of December in Sonora, California, sunrise is at 6:59 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:52 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 6h of sunshine.

UV index

In December, the average daily maximum UV index in Sonora is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: During December, 3 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
[Resources]

Frequently asked questions

What is the coldest time of year in Sonora?

December, recording an average high temperature of 52.9°F (11.6°C) and a low temperature of 37.2°F (2.9°C), is Sonora's coldest month.

What is the usual temperature for Sonora in December?

In December, the average high-temperature and low-temperature in Sonora are 52.9°F (11.6°C) and 37.2°F (2.9°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in June is calculated to be 82.4°F (28°C).

What is the average humidity in December in Sonora?

In December, the average relative humidity is 66%.

How many days does it rain in December in Sonora?

In Sonora, during December, the rain falls for 9.5 days and regularly aggregates up to 3.98" (101mm) of precipitation.

How much does it snow in Sonora in December?

In Sonora, California, in December, snow falls for 0.2 days, with typically accumulated 0.43" (11mm) of snow.

What is the month with the shortest days in Sonora?

December has the shortest days of the year in Sonora, California, with an average of 9h and 36min of daylight.

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

In Sonora, California, the average day length in December is 9h and 35min.

When is the sunrise / sunset in December in Sonora?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:42 pm. On the last day of the month, in Sonora, sunrise is at 7:17 am and sunset at 4:52 pm PST.

What is the month with the least sunshine in Sonora?

December has the least sunshine of the year in Sonora, with an average of 6h of sunshine.

How long on average sun shines in December in Sonora?

In Sonora, the average sunshine duration in December is 6h.

What is the UV index intensity in December in Sonora?

In December, the average daily maximum UV index in Sonora is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Sonora, CA

Average temperature in December - Sonora, CA
  • Average high temperature in December: 52.9°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (52.9°F).

  • Average low temperature in December: 37.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

[Resources]

Average pressure in December
Sonora, CA

Average pressure in December - Sonora, 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 (29.91"Hg).

[Resources]

Average wind speed in December
Sonora, CA

Average wind speed in December - Sonora, CA
  • Average wind speed in December: 4.7mph

The windiest months (with the highest average wind speed) are February, March and April (5.7mph).
The calmest months (with the lowest average wind speed) are November and December (4.7mph).

[Resources]

Average humidity in December
Sonora, CA

Average humidity in December - Sonora, CA
  • Average humidity in December: 66%

The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).

[Resources]

Average rainfall in December
Sonora, CA

Average rainfall in December - Sonora, CA
  • Average rainfall in December: 3.98"

The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").

[Resources]

Average rainfall days in December
Sonora, CA

Average rainfall days in December - Sonora, CA
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.4 days).

[Resources]

Average snowfall in December
Sonora, CA

Average snowfall in December - Sonora, CA
  • Average snowfall in December: 0.43"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Sonora, CA

Average snowfall days in December - Sonora, CA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Sonora, CA
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

[Resources]

Average sunshine days in December
Sonora, CA

Average sunshine days in December - Sonora, CA
  • Average sunshine days in December: 20.5 days

The months with the most sunshine days are July and August (28.4 days).
The month with the least sunshine days is March (16.8 days).

[Resources]

Average UV index in December
Sonora, CA

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

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

[Resources]

Average cloud cover in December
Sonora, CA

Average cloud cover in December - Sonora, CA
  • Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 5).

[Resources]

Average visibility in December
Sonora, CA

Average visibility in December - Sonora, 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).

[Resources]

Sonora, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location