December weather forecast
Rancho Mirage, CA

Share

Weather in December

December, the first month of the winter in Rancho Mirage, is also a moderate month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 42.8°F (6°C).

Temperature

In Rancho Mirage, California, December records the lowest average temperatures, peaking at 58.1°F (14.5°C) and reaching a low of 42.8°F (6°C).

Humidity

The most humid month is December, with an average relative humidity of 47%.

Rainfall

In Rancho Mirage, California, in December, it is raining for 5.4 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 54 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 6:32 am and sunset at 4:37 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:47 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 7h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

What part of the year is the coldest?

December is the coldest month, with an average high-temperature of 58.1°F (14.5°C) and an average low-temperature of 42.8°F (6°C).

What is the temperature in December?

The high-temperature, in December, in Rancho Mirage, records 58.1°F (14.5°C), while the low-temperature is 42.8°F (6°C).

What is the most humid month?

With an average relative humidity of 47%, December is the most humid month.

What is the average humidity in December?

In Rancho Mirage, the average relative humidity in December is 47%.

How many days does it rain in December?

In Rancho Mirage, in December, during 5.4 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Rancho Mirage have in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:32 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:47 pm PST.

What is the month with the least sunshine?

With an average of 7h of sunshine, December has the least sunshine of the year in Rancho Mirage.

How long on average sun shines in December?

The average sunshine duration in December is 7h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Rancho Mirage, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Rancho Mirage, CA

Average temperature in December - Rancho Mirage, CA
  • Average high temperature in December: 58.1°F

The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is December (58.1°F).

  • Average low temperature in December: 42.8°F

The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).

Average pressure in December
Rancho Mirage, CA

Average pressure in December - Rancho Mirage, 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 (29.81"Hg).

Average wind speed in December
Rancho Mirage, CA

Average wind speed in December - Rancho Mirage, CA
  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is May (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).

Average humidity in December
Rancho Mirage, CA

Average humidity in December - Rancho Mirage, CA
  • Average humidity in December: 47%

The month with the highest relative humidity is December (47%).
The months with the lowest relative humidity are June, July and August (29%).

Average rainfall in December
Rancho Mirage, CA

Average rainfall in December - Rancho Mirage, CA
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are May and June (0.12").

Average rainfall days in December
Rancho Mirage, CA

Average rainfall days in December - Rancho Mirage, CA
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.5 days).

Average daylight in December /
Average sunshine in December
Rancho Mirage, CA

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 7h and 0min

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 0min).

Average sunshine days in December
Rancho Mirage, CA

Average sunshine days in December - Rancho Mirage, CA
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.1 days).

Average UV index in December
Rancho Mirage, CA

Average UV index in December - Rancho Mirage, CA
  • Average UV index in December: 3

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

Average cloud cover in December
Rancho Mirage, CA

Average cloud cover in December - Rancho Mirage, CA
  • Average cloud cover in December: 19

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in December
Rancho Mirage, CA

Average visibility in December - Rancho Mirage, 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).

Rancho Mirage, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location