December weather forecast
Storrie, CA

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Weather in December

December, the first month of the winter in Storrie, is also a frosty month, with an average temperature varying between 44.4°F (6.9°C) and 29.3°F (-1.5°C).

Temperature

December is the month that records the lowest temperatures, with averages ranging from a high of 44.4°F (6.9°C) to a low of 29.3°F (-1.5°C).

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Storrie, during December, the rain falls for 13.7 days and regularly aggregates up to 7.09" (180mm) of precipitation. In Storrie, during the entire year, the rain falls for 115.1 days and collects up to 45.39" (1153mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Storrie, California. In Storrie, during December, snow falls for 1.7 days and regularly aggregates up to 1.46" (37mm) of snow. Throughout the year, there are 10.7 snowfall days, and 16.97" (431mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:50 pm PST.

Sunshine

January and December, with an average of 5.4h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What month is the coldest in Storrie?

With average high temperatures of 44.4°F (6.9°C) and lows of 29.3°F (-1.5°C), December is the coldest month.

How cold is it in Storrie in December?

The high-temperature in Storrie during December is 44.4°F (6.9°C) and the low-temperature is 29.3°F (-1.5°C). In August, 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, is computed to be 84.2°F (29°C).

What is the average humidity in December in Storrie?

In Storrie, California, the average relative humidity in December is 73%.

How many days does it rain in December in Storrie?

In Storrie, California, in December, it is raining for 13.7 days, with typically 7.09" (180mm) of accumulated precipitation.

How many days does it snow in December in Storrie?

In Storrie, during December, snow falls for 1.7 days and regularly aggregates up to 1.46" (37mm) of snow.

What is the month with the shortest days in Storrie?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

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

In Storrie, the average day length in December is 9h and 23min.

When is the sunrise / sunset in December in Storrie?

On the first day of December in Storrie, California, sunrise is at 7:08 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:50 pm PST.

What are the months with the least sunshine in Storrie?

January and December, with an average of 5.4h of sunshine, are months with the least sunshine in Storrie, California.

How many hours of sunshine does Storrie have in December?

In December, the average sunshine duration in Storrie, California, is 5.4h.

What are the months with the lowest UV index in Storrie?

The months with the lowest UV index in Storrie, California, are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Storrie?

In December, the average daily maximum UV index in Storrie, California, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Storrie, CA

Average temperature in December - Storrie, CA
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is December (29.3°F).

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Average pressure in December
Storrie, CA

Average pressure in December - Storrie, CA
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Storrie, CA

Average wind speed in December - Storrie, CA
  • Average wind speed in December: 6.2mph

The windiest months (with the highest average wind speed) are January and February (6.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Storrie, CA

Average humidity in December - Storrie, CA
  • Average humidity in December: 73%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).

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Average rainfall in December
Storrie, CA

Average rainfall in December - Storrie, CA
  • Average rainfall in December: 7.09"

The wettest month (with the highest rainfall) is March (8.66").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in December
Storrie, CA

Average rainfall days in December - Storrie, CA
  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is July (2.5 days).

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Average snowfall in December
Storrie, CA

Average snowfall in December - Storrie, CA
  • Average snowfall in December: 1.46"

The month with the highest snowfall is February (6.38").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Storrie, CA

Average snowfall days in December - Storrie, CA
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Storrie, CA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Storrie, CA

Average sunshine days in December - Storrie, CA
  • Average sunshine days in December: 15.9 days

The months with the most sunshine days are July and August (27.5 days).
The month with the least sunshine days is March (12 days).

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Average UV index in December
Storrie, CA

Average UV index in December - Storrie, CA
  • Average UV index in December: 2

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

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Average cloud cover in December
Storrie, CA

Average cloud cover in December - Storrie, CA
  • Average cloud cover in December: 40

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in December
Storrie, CA

Average visibility in December - Storrie, CA
  • Average visibility in December: 6mi

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

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Storrie, California, USA

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