December weather forecast
Quail Valley, CA

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Weather in December

December, the first month of the winter in Quail Valley, is still a comfortable month, with an average temperature fluctuating between 61.5°F (16.4°C) and 43.7°F (6.5°C).

Temperature

Quail Valley experiences its lowest average temperatures in December, reaching a peak of 61.5°F (16.4°C) and a minimum of 43.7°F (6.5°C).

Humidity

In December, the average relative humidity in Quail Valley is 57%.

Rainfall

In Quail Valley, in December, it is raining for 4.5 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, in Quail Valley, California, there are 34.6 rainfall days, and 2.56" (65mm) of precipitation is accumulated.

Daylight

The month with the shortest days in Quail Valley, California, is December, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 6:36 am and sunset at 4:40 pm. On the last day of December, in Quail Valley, sunrise is at 6:53 am and sunset at 4:51 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 6.6h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index in Quail Valley. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the coldest time of year in Quail Valley?

With average high temperatures of 61.5°F (16.4°C) and lows of 43.7°F (6.5°C), December is the coldest month in Quail Valley, California.

What is the average December temperature in Quail Valley?

During December, Quail Valley experiences an average high-temperature of 61.5°F (16.4°C) and a low-temperature of 43.7°F (6.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 87.8°F (31°C).

What is the average humidity in December in Quail Valley?

In December, the average relative humidity is 57%.

How many days does it rain in December in Quail Valley?

In Quail Valley, in December, during 4.5 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

What is the month with the shortest days in Quail Valley?

With an average of 10h and 0min of daylight, December has the shortest days of the year in Quail Valley, California.

How many hours of daylight does Quail Valley have in December?

The average day length in December in Quail Valley, California, is 9h and 58min.

What time are sunrise and sunset in December in Quail Valley?

In December, on the first day of the month, sunrise is at 6:36 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:51 pm PST.

What is the month with the least sunshine in Quail Valley?

December has the least sunshine of the year in Quail Valley, California, with an average of 6.6h of sunshine.

How long on average sun shines in December in Quail Valley?

In December, the average sunshine duration in Quail Valley is 6.6h.

When is the lowest UV index in Quail Valley?

With an average maximum UV index of 3, December is the month with the lowest UV index in Quail Valley.

What is the UV index intensity in December in Quail Valley?

The average daily maximum UV index in December in Quail Valley, California, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Quail Valley, CA

Average temperature in December - Quail Valley, CA
  • Average high temperature in December: 61.5°F

The warmest month (with the highest average high temperature) is August (89.1°F).
The month with the lowest average high temperature is December (61.5°F).

  • Average low temperature in December: 43.7°F

The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).

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Average pressure in December
Quail Valley, CA

Average pressure in December - Quail Valley, CA
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Quail Valley, CA

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

The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August and September (4.1mph).

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Average humidity in December
Quail Valley, CA

Average humidity in December - Quail Valley, CA
  • Average humidity in December: 57%

The month with the highest relative humidity is May (62%).
The months with the lowest relative humidity are August and November (50%).

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Average rainfall in December
Quail Valley, CA

Average rainfall in December - Quail Valley, CA
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is February (0.55").
The driest month (with the least rainfall) is June (0").

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Average rainfall days in December
Quail Valley, CA

Average rainfall days in December - Quail Valley, CA
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.8 days).

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Average daylight in December /
Average sunshine in December
Quail Valley, CA

Average daylight in December / Average sunshine in December - Quail Valley, CA
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 4min

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 36min).

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Average sunshine days in December
Quail Valley, CA

Average sunshine days in December - Quail Valley, CA
  • Average sunshine days in December: 25 days

The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22.8 days).

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Average UV index in December
Quail Valley, CA

Average UV index in December - Quail Valley, CA
  • Average UV index in December: 3

The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Quail Valley, CA

Average cloud cover in December - Quail Valley, CA
  • Average cloud cover in December: 24

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in December
Quail Valley, CA

Average visibility in December - Quail Valley, 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).

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Quail Valley, California, USA

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