December weather forecast
East Sonora, CA

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Weather in December

The first month of the winter, December, is also a fresh month in East Sonora, California, with an average temperature varying between 35.1°F (1.7°C) and 51.4°F (10.8°C).

Temperature

East Sonora's coldest temperatures are experienced in December, with average high temperatures of 51.4°F (10.8°C) and lows of 35.1°F (1.7°C).

Humidity

The average relative humidity in December is 65%.

Rainfall

In December, the rain falls for 9.6 days. Throughout December, 4.33" (110mm) of precipitation is accumulated. In East Sonora, during the entire year, the rain falls for 79.1 days and collects up to 27.32" (694mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In East Sonora, during December, snow falls for 1.4 days and regularly aggregates up to 1.14" (29mm) of snow. In East Sonora, during the entire year, snow falls for 9.6 days and aggregates up to 20.67" (525mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December, 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

December has the least sunshine of the year, with an average of 6.1h of sunshine.

UV index

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 3 in December translates into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

December is the month when East Sonora experiences its coldest temperatures, averaging a high of 51.4°F (10.8°C) and a low of 35.1°F (1.7°C).

What is the usual temperature for East Sonora in December?

In East Sonora, 51.4°F (10.8°C) is the average high-temperature and 35.1°F (1.7°C) is the average low-temperature during December. In June, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in December in East Sonora?

The average relative humidity in December is 65%.

How much does it rain in December?

In December, the rain falls for 9.6 days. Throughout December, 4.33" (110mm) of precipitation is accumulated.

How much does it snow in December?

In East Sonora, in December, during 1.4 snowfall days, 1.14" (29mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does East Sonora have in December?

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

When are sunrise and sunset in December?

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, sunrise is at 7:17 am and sunset at 4:52 pm PST.

What is the month with the least sunshine in East Sonora?

The month with the least sunshine is December, with an average of 6.1h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 6.1h.

What is the UV index reading in December in East Sonora?

In East Sonora, California, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health threat 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
East Sonora, CA

Average temperature in December - East Sonora, CA
  • Average high temperature in December: 51.4°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (51.4°F).

  • Average low temperature in December: 35.1°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (35.1°F).

Average pressure in December
East Sonora, CA

Average pressure in December - East 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).

Average wind speed in December
East Sonora, CA

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

The windiest month (with the highest average wind speed) is February (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

Average humidity in December
East Sonora, CA

Average humidity in December - East Sonora, CA
  • Average humidity in December: 65%

The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are July and August (33%).

Average rainfall in December
East Sonora, CA

Average rainfall in December - East Sonora, CA
  • Average rainfall in December: 4.33"

The wettest month (with the highest rainfall) is March (5.31").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in December
East Sonora, CA

Average rainfall days in December - East Sonora, CA
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (1.2 days).

Average snowfall in December
East Sonora, CA

Average snowfall in December - East Sonora, CA
  • Average snowfall in December: 1.14"

The month with the highest snowfall is February (8.58").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
East Sonora, CA

Average snowfall days in December - East Sonora, CA
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (3.1 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
East Sonora, CA

Average daylight in December / Average sunshine in December - East 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 1min

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

Average sunshine days in December
East Sonora, CA

Average sunshine days in December - East Sonora, CA
  • Average sunshine days in December: 19.8 days

The months with the most sunshine days are July and August (28.8 days).
The month with the least sunshine days is March (15.4 days).

Average UV index in December
East Sonora, CA

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

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

Average cloud cover in December
East Sonora, CA

Average cloud cover in December - East Sonora, CA
  • Average cloud cover in December: 30

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in December
East Sonora, CA

Average visibility in December - East 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).

East Sonora, California, USA

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