December weather forecast
El Rio, AZ

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Weather in December

The first month of the winter, December, is still a comfortable month in El Rio, Arizona, with an average temperature ranging between min 44.4°F (6.9°C) and max 61.7°F (16.5°C).

Temperature

El Rio notes the coldest temperatures in December, with a high average of 61.7°F (16.5°C) and a low of 44.4°F (6.9°C).

Humidity

December is the most humid month, with an average relative humidity of 45%.

Rainfall

In El Rio, Arizona, in December, during 6 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 75.6 rainfall days, and 9.53" (242mm) of precipitation is accumulated.

Snowfall

In El Rio, snow does not fall in March through December.

Daylight

The month with the shortest days in El Rio is December, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 7:07 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:29 pm MST.

Sunshine

December has the least sunshine of the year, with an average of 6.9h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 3 during December translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

December is El Rio's coldest month, registering average high temperatures of 61.7°F (16.5°C) and lows of 44.4°F (6.9°C).

What is the usual temperature for El Rio in December?

The average high-temperature and low-temperature during December are 61.7°F (16.5°C) and 44.4°F (6.9°C) respectively.

What is the most humid month?

With an average relative humidity of 45%, December is the most humid month.

What is the average humidity in December?

In El Rio, the average relative humidity in December is 45%.

How many days does it rain in December?

In El Rio, Arizona, during December, the rain falls for 6 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When it does not snow?

In El Rio, snow does not fall in March through December.

Does it snow in December?

In El Rio, Arizona, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in El Rio?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

What is the average length of the day in December?

The average day length in December is 10h and 5min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:29 pm MST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.9h of sunshine.

How long on average sun shines in December in El Rio?

In El Rio, the average sunshine duration in December is 6.9h.

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 reading in December?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
El Rio, AZ

Average temperature in December - El Rio, AZ
  • Average high temperature in December: 61.7°F

The warmest month (with the highest average high temperature) is June (97.2°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in December: 44.4°F

The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in December
El Rio, AZ

Average pressure in December - El Rio, 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 (29.82"Hg).

Average wind speed in December
El Rio, AZ

Average wind speed in December - El Rio, AZ
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
El Rio, AZ

Average humidity in December - El Rio, AZ
  • Average humidity in December: 45%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (19%).

Average rainfall in December
El Rio, AZ

Average rainfall in December - El Rio, AZ
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is July (1.93").
The driest month (with the least rainfall) is May (0.16").

Average rainfall days in December
El Rio, AZ

Average rainfall days in December - El Rio, AZ
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is May (2.3 days).

Average snowfall in December
El Rio, AZ

Average snowfall in December - El Rio, AZ
  • Average snowfall in December: 0"

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

Average snowfall days in December
El Rio, AZ

Average snowfall days in December - El Rio, AZ
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (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
El Rio, AZ

Average daylight in December / Average sunshine in December - El Rio, AZ
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in December
El Rio, AZ

Average sunshine days in December - El Rio, AZ
  • Average sunshine days in December: 24.3 days

The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in December
El Rio, AZ

Average UV index in December - El Rio, AZ
  • Average UV index in December: 3

The month with the highest UV index is June (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
El Rio, AZ

Average cloud cover in December - El Rio, AZ
  • Average cloud cover in December: 19

The months with the most cloud cover are July and December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 7).

Average visibility in December
El Rio, AZ

Average visibility in December - El Rio, 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).

El Rio, Arizona, USA

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