December weather forecast
Mecca, CA

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Weather in December

December, the first month of the winter in Mecca, is still a mild month, with an average temperature varying between 60.6°F (15.9°C) and 46.8°F (8.2°C).

Temperature

December stands out as Mecca's coldest month, with temperatures ranging between an average high of 60.6°F (15.9°C) and a low of 46.8°F (8.2°C).

Humidity

With an average relative humidity of 46%, December is the most humid month.

Rainfall

In Mecca, in December, during 5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 46.2 rainfall days, and 4.09" (104mm) of precipitation is accumulated.

Daylight

December has the shortest days of the year in Mecca, California, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 6:31 am and sunset at 4:36 pm. On the last day of December, in Mecca, California, sunrise is at 6:48 am and sunset at 4:46 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 7.1h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the coldest month in Mecca?

The coldest period in Mecca tends to be December, when average temperatures fluctuate between a high of 60.6°F (15.9°C) and a low of 46.8°F (8.2°C).

What are December temperatures in Mecca?

In December, the average high-temperature and low-temperature in Mecca are 60.6°F (15.9°C) and 46.8°F (8.2°C) respectively.

What is the most humid month in Mecca?

December is the most humid month in Mecca, California, with an average relative humidity of 46%.

What is the average humidity in December in Mecca?

The average relative humidity in December in Mecca, California, is 46%.

How many days does it rain in December in Mecca?

In Mecca, California, in December, it is raining for 5 days, with typically 0.55" (14mm) of accumulated precipitation.

What is the month with the shortest days in Mecca?

December has the shortest days of the year in Mecca, with an average of 10h and 0min of daylight.

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

In December, the average day length is 9h and 58min.

When are sunrise and sunset in December in Mecca?

On the first day of December in Mecca, sunrise is at 6:31 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:46 pm PST.

What is the month with the least sunshine in Mecca?

With an average of 7.1h of sunshine, December has the least sunshine of the year in Mecca, California.

How long on average sun shines in December in Mecca?

In Mecca, California, the average sunshine duration in December is 7.1h.

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

With an average maximum UV index of 3, December is the month with the lowest UV index in Mecca, California.

How high is the UV index in December in Mecca?

In December, the average daily maximum UV index in Mecca, California, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Mecca, CA

Average temperature in December - Mecca, CA
  • Average high temperature in December: 60.6°F

The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (60.6°F).

  • Average low temperature in December: 46.8°F

The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

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Average pressure in December
Mecca, CA

Average pressure in December - Mecca, CA
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

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Average wind speed in December
Mecca, CA

Average wind speed in December - Mecca, CA
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

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Average humidity in December
Mecca, CA

Average humidity in December - Mecca, CA
  • Average humidity in December: 46%

The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (29%).

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Average rainfall in December
Mecca, CA

Average rainfall in December - Mecca, CA
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is July (0.79").
The driest months (with the least rainfall) are May and June (0.12").

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Average rainfall days in December
Mecca, CA

Average rainfall days in December - Mecca, CA
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is July (6.9 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
Mecca, CA

Average daylight in December / Average sunshine in December - Mecca, CA
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

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Average sunshine days in December
Mecca, CA

Average sunshine days in December - Mecca, CA
  • Average sunshine days in December: 24.2 days

The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index in December
Mecca, CA

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

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Mecca, CA

Average cloud cover in December - Mecca, CA
  • Average cloud cover in December: 17

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).

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Average visibility in December
Mecca, CA

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

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