December weather forecast
Asylum, CA

Weather in December

December, the first month of the winter in Asylum, is also a fresh month, with an average temperature fluctuating between 37.4°F (3°C) and 53.6°F (12°C).

Temperature

December is the coldest month, with an average high-temperature of 53.6°F (12°C) and an average low-temperature of 37.4°F (3°C).

Humidity

The average relative humidity in December in Asylum is 76%.

Rainfall

The wettest months are February and December, with an average 3.11" (79mm) of rainfall.

Snowfall

January, March through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 9h and 28min of daylight.
On the first day of December, sunrise is at 7:13 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:59 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.3h of sunshine.

UV index

In Asylum, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 3 in December transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the coldest month in Asylum?

December is the coldest month in Asylum, with an average high-temperature of 53.6°F (12°C) and an average low-temperature of 37.4°F (3°C).

What is the temperature in December in Asylum?

In December, in Asylum, the average high-temperature is 53.6°F (12°C), and the average low-temperature is 37.4°F (3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 82.4°F (28°C).

What is the average humidity in December in Asylum?

The average relative humidity in December in Asylum, California, is 76%.

What is the rainiest month in Asylum?

The months with the most rainfall are February and December, with an average 3.11" (79mm) of precipitation.

How much does it rain in Asylum in December?

In Asylum, California, in December, it is raining for 12.5 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow in Asylum?

January, March through December are months without snowfall in Asylum, California.

What is the month with the shortest days in Asylum?

With an average of 9h and 28min of daylight, December has the shortest days of the year in Asylum, California.

How many hours of daylight does Asylum have in December?

In December, the average day length in Asylum, California, is 9h and 28min.

When are sunrise and sunset in December in Asylum?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:50 pm. On the last day of the month, in Asylum, California, sunrise is at 7:31 am and sunset at 4:59 pm PST.

What is the month with the least sunshine in Asylum?

The month with the least sunshine in Asylum is December, with an average of 5.3h of sunshine.

How long on average sun shines in December in Asylum?

In December, the average sunshine duration in Asylum is 5.3h.

What is the UV index intensity in December in Asylum?

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

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

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).

  • Average low temperature in December: 37.4°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).

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Average pressure in December
Asylum, CA

Average pressure in December - Asylum, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in December
Asylum, CA

Average wind speed in December - Asylum, CA
  • Average wind speed in December: 4.5mph

The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

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Average humidity in December
Asylum, CA

Average humidity in December - Asylum, CA
  • Average humidity in December: 76%

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).

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Average rainfall in December
Asylum, CA

Average rainfall in December - Asylum, CA
  • Average rainfall in December: 3.11"

The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in December
Asylum, CA

Average rainfall days in December - Asylum, CA
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).

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Average snowfall in December
Asylum, CA

Average snowfall in December - Asylum, 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").

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Average snowfall days in December
Asylum, CA

Average snowfall days in December - Asylum, CA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Asylum, CA
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Asylum, CA

Average sunshine days in December - Asylum, CA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).

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Average UV index in December
Asylum, CA

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).

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Average cloud cover in December
Asylum, CA

Average cloud cover in December - Asylum, CA
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in December
Asylum, CA

Average visibility in December - Asylum, CA
  • Average visibility in December: 5mi

The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).

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