December weather forecast
Signal, AZ

Share

Weather in December

December, the first month of the winter in Signal, is also a fresh month, with an average temperature ranging between max 54.5°F (12.5°C) and min 38.5°F (3.6°C).

Temperature

December proves to be the coldest month, recording an average maximum temperature of 54.5°F (12.5°C) and a minimum temperature of 38.5°F (3.6°C).

Humidity

The most humid month is December, with an average relative humidity of 48%.

Rainfall

In Signal, during December, the rain falls for 5.6 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Signal, during the entire year, the rain falls for 61.4 days and collects up to 8.35" (212mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Signal. In Signal, Arizona, in December, during 0.6 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Signal, during the entire year, snow falls for 2.8 days and aggregates up to 3.74" (95mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December in Signal, Arizona, sunrise is at 7:23 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:34 pm MST.

Sunshine

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

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index in Signal. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
[Resources]

Frequently asked questions

What is the coldest time of year in Signal?

The coldest temperatures occur during December, when averages reach a peak of 54.5°F (12.5°C) and a low of 38.5°F (3.6°C).

What are the temperatures in Signal in December?

In Signal, in December, the average high-temperature is 54.5°F (12.5°C), and the average low-temperature is 38.5°F (3.6°C).

What is the most humid month in Signal?

The most humid month in Signal is December, with an average relative humidity of 48%.

What is the average humidity in December in Signal?

In Signal, the average relative humidity in December is 48%.

How much does it rain in Signal in December?

In Signal, Arizona, during December, the rain falls for 5.6 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How much does it snow in Signal in December?

In December, it is snowing for 0.6 days. Throughout December, 0.43" (11mm) of snow is accumulated.

What is the month with the shortest days in Signal?

December has the shortest days of the year in Signal, Arizona, with an average of 9h and 54min of daylight.

How many hours of daylight does Signal have in December?

In Signal, Arizona, the average day length in December is 9h and 53min.

When is the sunrise / sunset in December in Signal?

On the first day of December in Signal, sunrise is at 7:23 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:34 pm MST.

What is the month with the least sunshine in Signal?

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

How long on average sun shines in December in Signal?

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

When is the lowest UV index in Signal?

December is the month with the lowest UV index in Signal, with an average maximum UV index of 2.

How high is the UV index in December in Signal?

In December, the average daily maximum UV index in Signal is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Signal, AZ

Average temperature in December - Signal, AZ
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in December: 38.5°F

The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).

[Resources]

Average pressure in December
Signal, AZ

Average pressure in December - Signal, AZ
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).

[Resources]

Average wind speed in December
Signal, AZ

Average wind speed in December - Signal, AZ
  • Average wind speed in December: 6.1mph

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 December (6.1mph).

[Resources]

Average humidity in December
Signal, AZ

Average humidity in December - Signal, AZ
  • Average humidity in December: 48%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (19%).

[Resources]

Average rainfall in December
Signal, AZ

Average rainfall in December - Signal, AZ
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is June (0.04").

[Resources]

Average rainfall days in December
Signal, AZ

Average rainfall days in December - Signal, AZ
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is June (1.2 days).

[Resources]

Average snowfall in December
Signal, AZ

Average snowfall in December - Signal, AZ
  • Average snowfall in December: 0.43"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Signal, AZ

Average snowfall days in December - Signal, AZ
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Signal, AZ
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 5min

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

[Resources]

Average sunshine days in December
Signal, AZ

Average sunshine days in December - Signal, AZ
  • Average sunshine days in December: 24 days

The months with the most sunshine days are May and June (28.1 days).
The month with the least sunshine days is August (15.4 days).

[Resources]

Average UV index in December
Signal, AZ

Average UV index in December - Signal, AZ
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

[Resources]

Average cloud cover in December
Signal, AZ

Average cloud cover in December - Signal, AZ
  • Average cloud cover in December: 21

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

[Resources]

Average visibility in December
Signal, AZ

Average visibility in December - Signal, 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).

[Resources]

Signal, Arizona, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location