December weather forecast
Maricopa, CA

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Weather in December

The first month of the winter, December, is still a refreshing month in Maricopa, California, with an average temperature fluctuating between 57°F (13.9°C) and 40.1°F (4.5°C).

Temperature

December is Maricopa's coldest month, registering average high temperatures of 57°F (13.9°C) and lows of 40.1°F (4.5°C).

Humidity

With an average relative humidity of 60%, December is the most humid month.

Rainfall

December is the month with the most rainfall. Rain falls for 7 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:48 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:05 am and sunset at 4:56 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 6.7h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Maricopa. A UV Index 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, the maximum UV index of 3 transforms into these recommendations:
Be vigilant - Preventing sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What is the coldest month?

December, noted for its average high-temperature of 57°F (13.9°C) and an average low-temperature of 40.1°F (4.5°C), is considered the coldest month.

What is the average December temperature?

In Maricopa, 57°F (13.9°C) is the average high-temperature and 40.1°F (4.5°C) is the average low-temperature during December.

What is the most humid month in Maricopa?

The most humid month is December, with an average relative humidity of 60%.

What is the average humidity in December?

In Maricopa, the average relative humidity in December is 60%.

What is the rainiest month?

December is the month with the most rainfall in Maricopa. Rain falls for 7 days and accumulates 1.06" (27mm) of precipitation.

How much does it rain in Maricopa in December?

In Maricopa, in December, during 7 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow in Maricopa?

In Maricopa, snow does not fall in January, March through December.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Maricopa have in December?

In December, the average day length is 9h and 50min.

What time are sunrise and sunset in December?

On the first day of December in Maricopa, California, sunrise is at 6:48 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 4:56 pm PST.

What is the month with the least sunshine?

December has the least sunshine of the year in Maricopa, with an average of 6.7h of sunshine.

How many hours of sunshine does Maricopa have in December?

In December, the average sunshine duration is 6.7h.

When is the lowest UV index?

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

How high is the UV index in December in Maricopa?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Maricopa, CA

Average temperature in December - Maricopa, CA
  • Average high temperature in December: 57°F

The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is December (57°F).

  • Average low temperature in December: 40.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

Average pressure in December
Maricopa, CA

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Maricopa, CA

Average wind speed in December - Maricopa, CA
  • Average wind speed in December: 3.7mph

The windiest month (with the highest average wind speed) is June (5.3mph).
The calmest months (with the lowest average wind speed) are November and December (3.7mph).

Average humidity in December
Maricopa, CA

Average humidity in December - Maricopa, CA
  • Average humidity in December: 60%

The month with the highest relative humidity is December (60%).
The month with the lowest relative humidity is August (30%).

Average rainfall in December
Maricopa, CA

Average rainfall in December - Maricopa, CA
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is December (1.06").
The driest months (with the least rainfall) are June and August (0.08").

Average rainfall days in December
Maricopa, CA

Average rainfall days in December - Maricopa, CA
  • Average rainfall days in December: 7 days

The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is June (1.1 days).

Average snowfall in December
Maricopa, CA

Average snowfall in December - Maricopa, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Maricopa, CA

Average snowfall days in December - Maricopa, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Maricopa, 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: 6h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in December
Maricopa, CA

Average sunshine days in December - Maricopa, CA
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is June (28.7 days).
The month with the least sunshine days is February (20.1 days).

Average UV index in December
Maricopa, CA

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

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

Average cloud cover in December
Maricopa, CA

Average cloud cover in December - Maricopa, CA
  • Average cloud cover in December: 24

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 4).

Average visibility in December
Maricopa, CA

Average visibility in December - Maricopa, 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).

Maricopa, California, USA

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