December weather forecast and climate
Harbison Canyon, CA

Weather in December

December, the first month of the winter, in Harbison Canyon, is also an enjoyable month, with average temperature varying between 61.3°F (16.3°C) and 44.6°F (7°C).

Temperature

With an average high-temperature of 61.3°F (16.3°C) and an average low-temperature of 44.6°F (7°C), December is the coldest month.

Humidity

In Harbison Canyon, the average relative humidity is 57%.

Rainfall

In Harbison Canyon, it is raining for 5.5 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 62 rainfall days, and 6.38" (162mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h of daylight.

Sunshine

The month with the least sunshine is December, with an average of 6.7h of sunshine.

UV index

November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the coldest month in Harbison Canyon?

With an average high-temperature of 61.3°F (16.3°C) and an average low-temperature of 44.6°F (7°C), December is the coldest month in Harbison Canyon, California.

What is the temperature in December in Harbison Canyon?

In Harbison Canyon, in December, the average high-temperature is 61.3°F (16.3°C), and the average low-temperature is 44.6°F (7°C).

What is the average humidity in December in Harbison Canyon?

The average relative humidity in December in Harbison Canyon, California, is 57%.

How many days does it rain in December in Harbison Canyon?

In December, the rain falls for 5.5 days. Throughout December, 0.71" (18mm) of precipitation is accumulated.

What is the month with the shortest days in Harbison Canyon?

December has the shortest days of the year, with an average of 10h of daylight.

How many hours of daylight does Harbison Canyon have in December?

In Harbison Canyon, the average length of the day in December is 10h.

What is the month with the least sunshine in Harbison Canyon?

With an average of 6.7h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Harbison Canyon have in December?

In December, the average sunshine in Harbison Canyon, California, is 6.7h.

What is the month with the lowest UV index in Harbison Canyon?

Months with the lowest UV index in Harbison Canyon, California, are November and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Harbison Canyon?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Harbison Canyon, CA

Average temperature in December - Harbison Canyon, CA
  • Average high temperature in December: 61.3°F

The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).

  • Average low temperature in December: 44.6°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).

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Average pressure in December
Harbison Canyon, CA

Average pressure in December - Harbison Canyon, CA
  • Average pressure in December: 30.06"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in December
Harbison Canyon, CA

Average wind speed in December - Harbison Canyon, CA
  • Average wind speed in December: 5.1mph

The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in December
Harbison Canyon, CA

Average humidity in December - Harbison Canyon, CA
  • Average humidity in December: 57%

The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).

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Average rainfall in December
Harbison Canyon, CA

Average rainfall in December - Harbison Canyon, CA
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in December
Harbison Canyon, CA

Average rainfall days in December - Harbison Canyon, CA
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).

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Average daylight in December /
Average sunshine in December
Harbison Canyon, CA

Average daylight in December / Average sunshine in December - Harbison Canyon, CA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 6.7h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in December
Harbison Canyon, CA

Average sunshine days in December - Harbison Canyon, CA
  • Average sunshine days in December: 24 days

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index in December
Harbison Canyon, CA

Average UV index in December - Harbison Canyon, CA
  • Average UV index in December: 3

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in December
Harbison Canyon, CA

Average cloud cover in December - Harbison Canyon, CA
  • Average cloud cover in December: 23

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in December
Harbison Canyon, CA

Average visibility in December - Harbison Canyon, CA
  • Average visibility in December: 6mi

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

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