December weather forecast
Parkwood, CA

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Weather in December

December, the first month of the winter in Parkwood, is also a moderate month, with an average temperature fluctuating between 42.1°F (5.6°C) and 56.5°F (13.6°C).

Temperature

December proves to be the coldest month, recording an average maximum temperature of 56.5°F (13.6°C) and a minimum temperature of 42.1°F (5.6°C).

Humidity

In December, the average relative humidity is 66%.

Rainfall

In December, the rain falls for 8.3 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. In Parkwood, during the entire year, the rain falls for 61.3 days and collects up to 12.99" (330mm) of precipitation.

Daylight

The month with the shortest days in Parkwood is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:55 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:53 pm PST.

Sunshine

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

UV index

The months with the lowest UV index in Parkwood are January, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a regular UV index of 3 translates into these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What are the coldest months in Parkwood?

The month of December, characterized by an average high of 56.5°F (13.6°C) and a low of 42.1°F (5.6°C), is recognized as the coldest in Parkwood, California.

What is the temperature in December in Parkwood?

In Parkwood, in December, the average high-temperature is 56.5°F (13.6°C), and the average low-temperature is 42.1°F (5.6°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 82.4°F (28°C).

What is the average humidity in December in Parkwood?

The average relative humidity in December is 66%.

How many days does it rain in December in Parkwood?

In Parkwood, during December, the rain falls for 8.3 days and regularly aggregates up to 2.2" (56mm) of precipitation.

What is the month with the shortest days in Parkwood?

The month with the shortest days in Parkwood, California, is December, with an average of 9h and 42min of daylight.

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

The average day length in December in Parkwood, California, is 9h and 41min.

When are sunrise and sunset in December in Parkwood?

On the first day of December, sunrise is at 6:55 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:53 pm PST.

What is the month with the least sunshine in Parkwood?

With an average of 6.1h of sunshine, December has the least sunshine of the year in Parkwood, California.

How many hours of sunshine does Parkwood have in December?

The average sunshine duration in December in Parkwood, California, is 6.1h.

When is the lowest UV index in Parkwood?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Parkwood?

In December, the average daily maximum UV index in Parkwood is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Parkwood, CA

Average temperature in December - Parkwood, CA
  • Average high temperature in December: 56.5°F

The warmest month (with the highest average high temperature) is July (101.1°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in December: 42.1°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).

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Average pressure in December
Parkwood, CA

Average pressure in December - Parkwood, 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 June (29.9"Hg).

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Average wind speed in December
Parkwood, CA

Average wind speed in December - Parkwood, CA
  • Average wind speed in December: 4.9mph

The windiest month (with the highest average wind speed) is June (8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity in December
Parkwood, CA

Average humidity in December - Parkwood, CA
  • Average humidity in December: 66%

The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (29%).

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Average rainfall in December
Parkwood, CA

Average rainfall in December - Parkwood, CA
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in December
Parkwood, CA

Average rainfall days in December - Parkwood, CA
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is March (11.2 days).
The month with the least rainy days is August (1 days).

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

Average daylight in December / Average sunshine in December - Parkwood, CA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • 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).

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Average sunshine days in December
Parkwood, CA

Average sunshine days in December - Parkwood, CA
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is March (18.9 days).

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Average UV index in December
Parkwood, CA

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in December
Parkwood, CA

Average cloud cover in December - Parkwood, CA
  • Average cloud cover in December: 32

The month with the most cloud cover is December (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in December
Parkwood, CA

Average visibility in December - Parkwood, 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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Parkwood, California, USA

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