December weather forecast
Denny, CA

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Weather in December

December, the first month of the winter in Denny, is also a frosty month, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 45°F (7.2°C).

Temperature

The month of December, characterized by an average high of 45°F (7.2°C) and a low of 30°F (-1.1°C), is recognized as the coldest.

Humidity

The average relative humidity in December is 81%.

Rainfall

December is the month with the most rainfall in Denny. Rain falls for 14.5 days and accumulates 6.14" (156mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, in Denny, it is snowing for 4.3 days. Throughout December, 5.43" (138mm) of snow is accumulated. In Denny, during the entire year, snow falls for 21.6 days and aggregates up to 28.46" (723mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:55 pm PST.

Sunshine

December has the least sunshine of the year in Denny, with an average of 4.6h of sunshine.

UV index

The months with the lowest UV index in Denny, California, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What month is the coldest in Denny?

December proves to be the coldest month in Denny, recording an average maximum temperature of 45°F (7.2°C) and a minimum temperature of 30°F (-1.1°C).

What are the temperatures in Denny in December?

The average high-temperature, in December, in Denny, is 45°F (7.2°C), while the average low-temperature is 30°F (-1.1°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 August is appraised at 86°F (30°C).

What is the average humidity in December in Denny?

In December, the average relative humidity in Denny, California, is 81%.

What is the rainiest month in Denny?

The month with the most rainfall in Denny, California, is December, when the rain falls for 14.5 days and typically aggregates up to 6.14" (156mm) of precipitation.

How much does it rain in Denny in December?

In Denny, California, in December, it is raining for 14.5 days, with typically 6.14" (156mm) of accumulated precipitation.

How much does it snow in Denny in December?

In Denny, during December, snow falls for 4.3 days and regularly aggregates up to 5.43" (138mm) of snow.

What is the month with the shortest days in Denny?

The month with the shortest days in Denny is December, with an average of 9h and 18min of daylight.

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

In December, the average day length in Denny is 9h and 17min.

When is the sunrise / sunset in December in Denny?

On the first day of December in Denny, sunrise is at 7:19 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:55 pm PST.

What is the month with the least sunshine in Denny?

December has the least sunshine of the year in Denny, California, with an average of 4.6h of sunshine.

How many hours of sunshine does Denny have in December?

In December, the average sunshine duration is 4.6h.

What is the month with the lowest UV index in Denny?

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

What is the UV index reading in December in Denny?

In December, the average daily maximum UV index in Denny is 2. A UV Index estimate of 2, and below, represents a low 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
Denny, CA

Average temperature in December - Denny, CA
  • Average high temperature in December: 45°F

The warmest months (with the highest average high temperature) are July and August (84.6°F).
The month with the lowest average high temperature is December (45°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is December (30°F).

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Average pressure in December
Denny, CA

Average pressure in December - Denny, CA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).

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Average wind speed in December
Denny, CA

Average wind speed in December - Denny, CA
  • Average wind speed in December: 4.2mph

The windiest months (with the highest average wind speed) are March and April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

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Average humidity in December
Denny, CA

Average humidity in December - Denny, CA
  • Average humidity in December: 81%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in December
Denny, CA

Average rainfall in December - Denny, CA
  • Average rainfall in December: 6.14"

The wettest month (with the highest rainfall) is December (6.14").
The driest months (with the least rainfall) are July and August (0.16").

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Average rainfall days in December
Denny, CA

Average rainfall days in December - Denny, CA
  • Average rainfall days in December: 14.5 days

The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (2.5 days).

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Average snowfall in December
Denny, CA

Average snowfall in December - Denny, CA
  • Average snowfall in December: 5.43"

The month with the highest snowfall is February (8.35").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Denny, CA

Average snowfall days in December - Denny, CA
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in December
Denny, CA

Average sunshine days in December - Denny, CA
  • Average sunshine days in December: 13.3 days

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is March (10.6 days).

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Average UV index in December
Denny, CA

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

The month with the highest UV index is 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
Denny, CA

Average cloud cover in December - Denny, CA
  • Average cloud cover in December: 52

The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in December
Denny, CA

Average visibility in December - Denny, CA
  • Average visibility in December: 4mi

The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are March and December (4mi).

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Denny, California, USA

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