December weather forecast and climate
Rimrock, AZ

Weather in December

The first month of the winter, December, is also a fresh month in Rimrock, Arizona, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 50.9°F (10.5°C).

Temperature

With an average high-temperature of 50.9°F (10.5°C) and an average low-temperature of 32.2°F (0.1°C), December is the coldest month.

Humidity

December is the most humid month, with an average relative humidity of 57%.

Rainfall

In Rimrock, in December, it is raining for 7.2 days, with typically 1.14" (29mm) of accumulated precipitation. In Rimrock, during the entire year, the rain falls for 82.6 days and collects up to 11.69" (297mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Rimrock. In Rimrock, during December, snow falls for 1.2 days and regularly aggregates up to 0.91" (23mm) of snow. Throughout the year, in Rimrock, there are 3.9 snowfall days, and 3.98" (101mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Rimrock, with an average of 9.9h of daylight.

Sunshine

With an average of 6.8h of sunshine, December has the least sunshine of the year.

UV index

December is the month with the lowest UV index in Rimrock, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Rimrock?

With an average high-temperature of 50.9°F (10.5°C) and an average low-temperature of 32.2°F (0.1°C), December is the coldest month.

What is the temperature in December in Rimrock?

In Rimrock, in December, the average high-temperature is 50.9°F (10.5°C), and the average low-temperature is 32.2°F (0.1°C).

What is the most humid month in Rimrock?

The most humid month is December, with an average relative humidity of 57%.

What is the average humidity in December in Rimrock?

The average relative humidity in December is 57%.

How much does it rain in Rimrock in December?

In December, in Rimrock, Arizona, the rain falls for 7.2 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

How many days does it snow in December in Rimrock?

In Rimrock, Arizona, during December, snow falls for 1.2 days and regularly aggregates up to 0.91" (23mm) of snow.

What is the month with the shortest days in Rimrock?

With an average of 9.9h of daylight, December has the shortest days of the year in Rimrock.

How many hours of daylight does Rimrock have in December?

In December, the average length of the day is 9.9h.

What is the month with the least sunshine in Rimrock?

December has the least sunshine of the year in Rimrock, Arizona, with an average of 6.8h of sunshine.

How long on average sun shines in December in Rimrock?

In Rimrock, Arizona, the average sunshine in December is 6.8h.

When is the lowest UV index in Rimrock?

December is the month with the lowest UV index in Rimrock, with an average maximum UV index of 2.

How high is the UV index in December in Rimrock?

In Rimrock, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Rimrock, AZ

Average temperature in December - Rimrock, AZ
  • Average high temperature in December: 50.9°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (50.9°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).

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Average pressure in December
Rimrock, AZ

Average pressure in December - Rimrock, AZ
  • Average pressure in December: 30.09"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in December
Rimrock, AZ

Average wind speed in December - Rimrock, AZ
  • Average wind speed in December: 5.4mph

The windiest months (with the highest average wind speed) are April and May (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in December
Rimrock, AZ

Average humidity in December - Rimrock, AZ
  • Average humidity in December: 57%

The month with the highest relative humidity is December (57%).
The month with the lowest relative humidity is June (23%).

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Average rainfall in December
Rimrock, AZ

Average rainfall in December - Rimrock, AZ
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is June (0.16").

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Average rainfall days in December
Rimrock, AZ

Average rainfall days in December - Rimrock, AZ
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is June (2.3 days).

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Average snowfall in December
Rimrock, AZ

Average snowfall in December - Rimrock, AZ
  • Average snowfall in December: 0.91"

The month with the highest snowfall is February (2.05").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Rimrock, AZ

Average snowfall days in December - Rimrock, AZ
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (1.3 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Rimrock, AZ

Average daylight in December / Average sunshine in December - Rimrock, AZ
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 6.8h

Months with the most sunshine are June and August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in December
Rimrock, AZ

Average sunshine days in December - Rimrock, AZ
  • Average sunshine days in December: 22.9 days

The month with the most sunshine days is May (26.2 days).
The month with the least sunshine days is July (10.4 days).

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Average UV index in December
Rimrock, AZ

Average UV index in December - Rimrock, AZ
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Rimrock, AZ

Average cloud cover in December - Rimrock, AZ
  • Average cloud cover in December: 23

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in December
Rimrock, AZ

Average visibility in December - Rimrock, AZ
  • 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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