December weather forecast
Somerton, AZ

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Weather in December

The first month of the winter, December, is still a refreshing month in Somerton, Arizona, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 50.5°F (10.3°C).

Temperature

December, characterized by an average high temperature of 66°F (18.9°C) and a low temperature of 50.5°F (10.3°C), is generally the coldest month.

Humidity

The most humid month in Somerton, Arizona, is December, with an average relative humidity of 38%.

Rainfall

In Somerton, in December, it is raining for 2.7 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, in Somerton, there are 31.6 rainfall days, and 2.8" (71mm) of precipitation is accumulated.

Daylight

December has the shortest days of the year in Somerton, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 7:23 am and sunset at 5:32 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:43 pm MST.

Sunshine

The month with the least sunshine in Somerton is December, with an average of 7.2h of sunshine.

UV index

The months with the lowest UV index in Somerton, Arizona, are November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 in December converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Frequently asked questions

What month is the coldest in Somerton?

Somerton's coldest month, December, generally records average temperatures ranging from a high of 66°F (18.9°C) to a low of 50.5°F (10.3°C).

What are the temperatures in Somerton in December?

In December, in Somerton, the average high-temperature is 66°F (18.9°C), and the average low-temperature is 50.5°F (10.3°C).

What is the most humid month in Somerton?

December is the most humid month in Somerton, with an average relative humidity of 38%.

What is the average humidity in December in Somerton?

In December, the average relative humidity in Somerton, Arizona, is 38%.

How much does it rain in Somerton in December?

In Somerton, Arizona, during December, the rain falls for 2.7 days and regularly aggregates up to 0.24" (6mm) of precipitation.

What is the month with the shortest days in Somerton?

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

How many hours of daylight does Somerton have in December?

The average day length in December is 10h and 3min.

What time are sunrise and sunset in December in Somerton?

On the first day of December in Somerton, Arizona, sunrise is at 7:23 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:43 pm MST.

What is the month with the least sunshine in Somerton?

December has the least sunshine of the year in Somerton, Arizona, with an average of 7.2h of sunshine.

How many hours of sunshine does Somerton have in December?

In December, the average sunshine duration is 7.2h.

What are the months with the lowest UV index in Somerton?

The months with the lowest UV index are November and December, with an average maximum UV index of 4.

What is the UV index reading in December in Somerton?

The average daily maximum UV index in December in Somerton is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Somerton, AZ

Average temperature in December - Somerton, AZ
  • Average high temperature in December: 66°F

The warmest month (with the highest average high temperature) is July (105.3°F).
The month with the lowest average high temperature is December (66°F).

  • Average low temperature in December: 50.5°F

The month with the highest average low temperature is August (86.4°F).
The coldest month (with the lowest average low temperature) is December (50.5°F).

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Average pressure in December
Somerton, AZ

Average pressure in December - Somerton, AZ
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

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Average wind speed in December
Somerton, AZ

Average wind speed in December - Somerton, AZ
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are April and July (8.5mph).
The calmest month (with the lowest average wind speed) is November (6.6mph).

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Average humidity in December
Somerton, AZ

Average humidity in December - Somerton, AZ
  • Average humidity in December: 38%

The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (22%).

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Average rainfall in December
Somerton, AZ

Average rainfall in December - Somerton, AZ
  • Average rainfall in December: 0.24"

The wettest months (with the highest rainfall) are July and September (0.39").
The driest months (with the least rainfall) are May and June (0.04").

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Average rainfall days in December
Somerton, AZ

Average rainfall days in December - Somerton, AZ
  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is May (0.8 days).

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

Average daylight in December / Average sunshine in December - Somerton, AZ
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
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 12min).

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Average sunshine days in December
Somerton, AZ

Average sunshine days in December - Somerton, AZ
  • Average sunshine days in December: 27.9 days

The month with the most sunshine days is May (30.2 days).
The month with the least sunshine days is July (22.1 days).

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Average UV index in December
Somerton, AZ

Average UV index in December - Somerton, AZ
  • Average UV index in December: 4

The months with the highest UV index are June, July, August and September (UV index 8).
The months with the lowest UV index are November and December (UV index 4).

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Average cloud cover in December
Somerton, AZ

Average cloud cover in December - Somerton, AZ
  • 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 5).

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Average visibility in December
Somerton, AZ

Average visibility in December - Somerton, AZ
  • 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).

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Somerton, Arizona, USA

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