December weather forecastArmona, CA

December

Weather in December

The first month of the winter, December, is still a refreshing month in Armona, California, with an average temperature fluctuating between 42.4°F (5.8°C) and 57.4°F (14.1°C).

Temperature

The coldest month is December, with an average high-temperature of 57.4°F (14.1°C) and an average low-temperature of 42.4°F (5.8°C).

Humidity

January and December, with an average relative humidity of 67%, are the most humid months.

Rainfall

In Armona, in December, it is raining for 5.5 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, there are 41.4 rainfall days, and 3.19" (81mm) of precipitation is accumulated.

Daylight

December has the shortest days of the year in Armona, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 6:52 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:10 am and sunset at 4:54 pm PST.

Sunshine

December has the least sunshine of the year in Armona, with an average of 6.4h of sunshine.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Armona. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

December is Armona's coldest month, registering average high temperatures of 57.4°F (14.1°C) and lows of 42.4°F (5.8°C).

The high-temperature in Armona during December is 57.4°F (14.1°C) and the low-temperature is 42.4°F (5.8°C). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 82.4°F (28°C).

The months with the highest humidity in Armona are January and December, with an average relative humidity of 67%.

In December, the average relative humidity in Armona, California, is 67%.

In Armona, in December, it is raining for 5.5 days, with typically 0.35" (9mm) of accumulated precipitation.

December has the shortest days of the year, with an average of 9h and 42min of daylight.

In Armona, the average day length in December is 9h and 44min.

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 4:43 pm. On the last day of the month, in Armona, California, sunrise is at 7:10 am and sunset at 4:54 pm PST.

The month with the least sunshine is December, with an average of 6.4h of sunshine.

The average sunshine duration in December is 6.4h.

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

In Armona, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Armona, CA

  • Average high temperature in December: 57.4°F

The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (57.4°F).

  • Average low temperature in December: 42.4°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).

Average pressure in December
Armona, CA

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Armona, CA

  • Average wind speed in December: 4.2mph

The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January, November and December (4.2mph).

Average humidity in December
Armona, CA

  • Average humidity in December: 67%

The months with the highest relative humidity are January and December (67%).
The month with the lowest relative humidity is July (30%).

Average rainfall in December
Armona, CA

  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is March (0.63").
The driest month (with the least rainfall) is August (0.04").

Average rainfall days in December
Armona, CA

  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is August (0.4 days).

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

  • Average daylight in December: 9h and 42min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 24min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in December
Armona, CA

  • Average sunshine days in December: 23.6 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (21.9 days).

Average UV index in December
Armona, 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).

Average cloud cover in December
Armona, CA

  • Average cloud cover in December: 29

The month with the most cloud cover is December (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 4).

Average visibility in December
Armona, 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).