December weather forecast and climate
Sonora, CA

Weather in December

The first month of the winter, December, is also a fresh month in Sonora, California, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 52.9°F (11.6°C).

Temperature

The coldest month is December, with an average high-temperature of 52.9°F (11.6°C) and an average low-temperature of 37.2°F (2.9°C).

Humidity

The average relative humidity in Sonora is 66%.

Rainfall

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

Snowfall

Months with snowfall in Sonora are January through March, November and December. In Sonora, snow falls for 0.2 days, with typically accumulated 0.43" (11mm) of snow. In Sonora, during the entire year, snow falls for 2.1 days, and aggregates up to 4.41" (112mm) of snow.

Daylight

December has the shortest days of the year in Sonora, with an average of 9.6h of daylight.

Sunshine

December has the least sunshine of the year in Sonora, 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 moderate threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Sonora?

December is the coldest month in Sonora, California, with an average high-temperature of 52.9°F (11.6°C) and an average low-temperature of 37.2°F (2.9°C).

What is the temperature in December in Sonora?

In Sonora, California, in December, the average high-temperature is 52.9°F (11.6°C), and the average low-temperature is 37.2°F (2.9°C).

What is the average humidity in December in Sonora?

In December, the average relative humidity in Sonora is 66%.

How much does it rain in Sonora in December?

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

How many days does it snow in December in Sonora?

In December, in Sonora, it is snowing for 0.2 days. Throughout December, 0.43" (11mm) of snow is accumulated.

What is the month with the shortest days in Sonora?

With an average of 9.6h of daylight, December has the shortest days of the year.

How many hours of daylight does Sonora have in December?

In Sonora, California, the average length of the day in December is 9.6h.

What is the month with the least sunshine in Sonora?

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

How many hours of sunshine does Sonora have in December?

The average sunshine in December in Sonora, California, is 6h.

What is the UV index reading in December in Sonora?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

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).

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Average pressure in December
Sonora, CA

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

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.91").

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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).

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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%).

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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").

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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).

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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").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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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).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Sonora, CA
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 6h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in December
Sonora, CA

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

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).

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Average UV index in December
Sonora, CA

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

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).

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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).
Months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in December
Sonora, CA

Average visibility in December - Sonora, 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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