December weather forecast
Indio, CA

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Roads and houses in a residential estate in Indio, California
Roads and houses in a residential estate in Indio, California

Weather in December

December, the first month of the winter in Indio, is also a moderate month, with an average temperature fluctuating between 59.7°F (15.4°C) and 45.9°F (7.7°C).

Temperature

December, with average temperatures reaching a high of 59.7°F (15.4°C) and a low of 45.9°F (7.7°C), is the coldest month.

Humidity

The most humid month is December, with an average relative humidity of 46%.

Rainfall

In Indio, in December, it is raining for 4.5 days, with typically 0.55" (14mm) of accumulated precipitation. In Indio, during the entire year, the rain falls for 43.4 days and collects up to 4.21" (107mm) of precipitation.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:32 am and sunset at 4:36 pm. On the last day of December, sunrise is at 6:49 am and sunset at 4:47 pm PST.

Sunshine

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

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Be vigilant - Preventing sunburn is recommended. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

What are the coldest months?

Indio reaches its average lowest temperatures in December, measuring 59.7°F (15.4°C) at the peak and 45.9°F (7.7°C) at the lowest.

What is the average December temperature?

The average high-temperature and low-temperature in Indio during December are 59.7°F (15.4°C) and 45.9°F (7.7°C) respectively.

What is the most humid month?

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

What is the average humidity in December?

The average relative humidity in December is 46%.

How much does it rain in Indio in December?

In December, in Indio, the rain falls for 4.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When are sunrise and sunset in December in Indio?

In December, on the first day of the month, sunrise is at 6:32 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 4:47 pm PST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

The average sunshine duration in December is 7.1h.

When is the lowest UV index?

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

What is the UV index intensity in December?

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

Average temperature in December
Indio, CA

Average temperature in December - Indio, CA
  • Average high temperature in December: 59.7°F

The warmest month (with the highest average high temperature) is July (95.7°F).
The month with the lowest average high temperature is December (59.7°F).

  • Average low temperature in December: 45.9°F

The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is December (45.9°F).

Average pressure in December
Indio, CA

Average pressure in December - Indio, 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).

Average wind speed in December
Indio, CA

Average wind speed in December - Indio, CA
  • Average wind speed in December: 6mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

Average humidity in December
Indio, CA

Average humidity in December - Indio, 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 (27%).

Average rainfall in December
Indio, CA

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

The wettest months (with the highest rainfall) are July and August (0.63").
The driest months (with the least rainfall) are May and June (0.08").

Average rainfall days in December
Indio, CA

Average rainfall days in December - Indio, CA
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (0.9 days).

Average daylight in December /
Average sunshine in December
Indio, CA

Average daylight in December / Average sunshine in December - Indio, 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 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).

Average sunshine days in December
Indio, CA

Average sunshine days in December - Indio, CA
  • Average sunshine days in December: 25 days

The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (20.8 days).

Average UV index in December
Indio, CA

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

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

Average cloud cover in December
Indio, CA

Average cloud cover in December - Indio, 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).

Average visibility in December
Indio, CA

Average visibility in December - Indio, 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).

Indio, California, USA

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