December weather forecast and climate
Happy Jack, AZ

Weather in December

The first month of the winter, December, is still a chilly month in Happy Jack, Arizona, with average temperature ranging between max 46°F (7.8°C) and min 27.9°F (-2.3°C).

Temperature

The coldest month is December, with an average high-temperature of 46°F (7.8°C) and an average low-temperature of 27.9°F (-2.3°C).

Humidity

In December, the average relative humidity is 61%.

Rainfall

In December, the rain falls for 6.5 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. In Happy Jack, Arizona, during the entire year, the rain falls for 86 days and collects up to 11.65" (296mm) of precipitation.

Snowfall

Months with snowfall in Happy Jack are January through April, November and December. The month with the most snowfall in Happy Jack is December when snow falls for 3.5 days and typically aggregates up to 2.68" (68mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9.9h of daylight.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Happy Jack. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Happy Jack?

With an average high-temperature of 46°F (7.8°C) and an average low-temperature of 27.9°F (-2.3°C), December is the coldest month.

What is the temperature in December in Happy Jack?

In Happy Jack, Arizona, in December, the average high-temperature is 46°F (7.8°C), and the average low-temperature is 27.9°F (-2.3°C).

What is the average humidity in December in Happy Jack?

In December, the average relative humidity is 61%.

How many days does it rain in December in Happy Jack?

In Happy Jack, during December, the rain falls for 6.5 days and regularly aggregates up to 1.14" (29mm) of precipitation.

How many days does it snow in December in Happy Jack?

In Happy Jack, during December, snow falls for 3.5 days and regularly aggregates up to 2.68" (68mm) of snow.

When does it snow the most in Happy Jack?

The month with the most snowfall in Happy Jack, Arizona, is December when snow falls for 3.5 days and typically aggregates up to 2.68" (68mm) of snow.

What is the month with the shortest days in Happy Jack?

The month with the shortest days in Happy Jack is December, with an average of 9.9h of daylight.

How many hours of daylight does Happy Jack have in December?

The average length of the day in December in Happy Jack is 9.9h.

What is the month with the least sunshine in Happy Jack?

December has the least sunshine of the year in Happy Jack, Arizona, with an average of 6.7h of sunshine.

How long on average sun shines in December in Happy Jack?

The average sunshine in December in Happy Jack is 6.7h.

What is the month with the lowest UV index in Happy Jack?

Months with the lowest UV index in Happy Jack are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Happy Jack?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.

Average temperature in December
Happy Jack, AZ

Average temperature in December - Happy Jack, AZ
  • Average high temperature in December: 46°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (46°F).

  • Average low temperature in December: 27.9°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).

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Average pressure in December
Happy Jack, AZ

Average pressure in December - Happy Jack, AZ
  • Average pressure in December: 30.09"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in December
Happy Jack, AZ

Average wind speed in December - Happy Jack, AZ
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Happy Jack, AZ

Average humidity in December - Happy Jack, AZ
  • Average humidity in December: 61%

The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (24%).

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Average rainfall in December
Happy Jack, AZ

Average rainfall in December - Happy Jack, AZ
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is July (2.28").
The driest month (with the least rainfall) is June (0.16").

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Average rainfall days in December
Happy Jack, AZ

Average rainfall days in December - Happy Jack, AZ
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is June (2.8 days).

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Average snowfall in December
Happy Jack, AZ

Average snowfall in December - Happy Jack, AZ
  • Average snowfall in December: 2.68"

The month with the highest snowfall is December (2.68").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Happy Jack, AZ

Average snowfall days in December - Happy Jack, AZ
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is December (3.5 days).
Months with the least snowfall days are May, June, July, August and October (0 days).

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Average daylight in December /
Average sunshine in December
Happy Jack, AZ

Average daylight in December / Average sunshine in December - Happy Jack, AZ
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 6.7h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in December
Happy Jack, AZ

Average sunshine days in December - Happy Jack, AZ
  • Average sunshine days in December: 22.7 days

The month with the most sunshine days is June (26 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in December
Happy Jack, AZ

Average UV index in December - Happy Jack, AZ
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Happy Jack, AZ

Average cloud cover in December - Happy Jack, AZ
  • Average cloud cover in December: 24

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in December
Happy Jack, AZ

Average visibility in December - Happy Jack, AZ
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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