December weather forecast
Red Mountain, CA

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Weather in December

December, the first month of the winter in Red Mountain, is still a cool month, with an average temperature fluctuating between 37.6°F (3.1°C) and 52.5°F (11.4°C).

Temperature

Red Mountain's coldest month, December, generally records average temperatures ranging from a high of 52.5°F (11.4°C) to a low of 37.6°F (3.1°C).

Humidity

In December, the average relative humidity in Red Mountain is 46%.

Rainfall

December is the month with the most rainfall in Red Mountain. Rain falls for 2.4 days and accumulates 0.35" (9mm) of precipitation.

Snowfall

In Red Mountain, snow does not fall in January through October and December.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:41 am and sunset at 4:37 pm. On the last day of December, in Red Mountain, California, sunrise is at 6:59 am and sunset at 4:48 pm PST.

Sunshine

January and December, with an average of 7.1h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in Red Mountain are January, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 3 during December translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What is the coldest month in Red Mountain?

Red Mountain's coldest weather arrives in December, when temperatures average a high of 52.5°F (11.4°C) and a low of 37.6°F (3.1°C).

What is the temperature in December in Red Mountain?

Red Mountain in December has an average high-temperature of 52.5°F (11.4°C) and an average low-temperature of 37.6°F (3.1°C).

What is the average humidity in December in Red Mountain?

In December, the average relative humidity is 46%.

What is the rainiest month in Red Mountain?

The month with the most rainfall in Red Mountain, California, is December, when the rain falls for 2.4 days and typically aggregates up to 0.35" (9mm) of precipitation.

How many days does it rain in December in Red Mountain?

In Red Mountain, in December, it is raining for 2.4 days, with typically 0.35" (9mm) of accumulated precipitation.

When it does not snow in Red Mountain?

January through October and December are months without snowfall.

Does it snow in Red Mountain in December?

In December, in Red Mountain, it doesn't snow. November is the latest month when it typically snows.

What is the month with the shortest days in Red Mountain?

December has the shortest days of the year in Red Mountain, with an average of 9h and 48min of daylight.

What is the average length of the day in December in Red Mountain?

In December, the average day length in Red Mountain, California, is 9h and 49min.

When are sunrise and sunset in December in Red Mountain?

On the first day of December in Red Mountain, sunrise is at 6:41 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:48 pm PST.

What are the months with the least sunshine in Red Mountain?

January and December, with an average of 7.1h of sunshine, are months with the least sunshine in Red Mountain, California.

How long on average sun shines in December in Red Mountain?

In December, the average sunshine duration is 7.1h.

What are the months with the lowest UV index in Red Mountain?

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

How high is the UV index in December in Red Mountain?

In Red Mountain, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Red Mountain, CA

Average temperature in December - Red Mountain, CA
  • Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (52.5°F).

  • Average low temperature in December: 37.6°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).

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Average pressure in December
Red Mountain, CA

Average pressure in December - Red Mountain, CA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in December
Red Mountain, CA

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

The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

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Average humidity in December
Red Mountain, CA

Average humidity in December - Red Mountain, CA
  • Average humidity in December: 46%

The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is August (20%).

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Average rainfall in December
Red Mountain, CA

Average rainfall in December - Red Mountain, CA
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is December (0.35").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Red Mountain, CA

Average rainfall days in December - Red Mountain, CA
  • Average rainfall days in December: 2.4 days

The month with the highest number of rainy days is July (4.5 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall in December
Red Mountain, CA

Average snowfall in December - Red Mountain, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is November (0.83").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and December (0").

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Average snowfall days in December
Red Mountain, CA

Average snowfall days in December - Red Mountain, CA
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January, February, November and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Red Mountain, CA

Average daylight in December / Average sunshine in December - Red Mountain, CA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 7h and 1min

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

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Average sunshine days in December
Red Mountain, CA

Average sunshine days in December - Red Mountain, CA
  • Average sunshine days in December: 28.1 days

The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is July (23.2 days).

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Average UV index in December
Red Mountain, CA

Average UV index in December - Red Mountain, CA
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in December
Red Mountain, CA

Average cloud cover in December - Red Mountain, CA
  • Average cloud cover in December: 17

The months with the most cloud cover are January, March and December (Cloud cover 17).
The month with the least cloud cover is September (Cloud cover 4).

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Average visibility in December
Red Mountain, CA

Average visibility in December - Red Mountain, 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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Red Mountain, California, USA

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