December weather forecast
Katherine, AZ

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Weather in December

December, the first month of the winter in Katherine, is still a mild month, with an average temperature fluctuating between 43.5°F (6.4°C) and 56.3°F (13.5°C).

Temperature

Katherine's December weather, marked by an average high temperature of 56.3°F (13.5°C) and an average low temperature of 43.5°F (6.4°C), is the coldest in the year.

Humidity

In Katherine, the average relative humidity in December is 41%.

Rainfall

December is the month with the most rainfall in Katherine. Rain falls for 5.5 days and accumulates 0.67" (17mm) of precipitation.

Snowfall

December is the only month when snow falls in Katherine. The month with the most snowfall days in Katherine, Arizona, is December, when snow falls for 0.1 days.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:29 am and sunset at 5:26 pm. On the last day of December, in Katherine, sunrise is at 7:46 am and sunset at 5:36 pm MST.

Sunshine

With an average of 7h of sunshine, December has the least sunshine of the year in Katherine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 3 during December translates into the following guidance:
Undertake protective steps - Preventing sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What part of the year is the coldest in Katherine?

Temperature records mark December as the coldest month, with highs averaging 56.3°F (13.5°C) and lows at 43.5°F (6.4°C).

What is the temperature in December in Katherine?

The high-temperature, in December, in Katherine, records 56.3°F (13.5°C), while the low-temperature is 43.5°F (6.4°C).

What is the average humidity in December in Katherine?

In Katherine, Arizona, the average relative humidity in December is 41%.

What is the rainiest month in Katherine?

The month with the most rainfall in Katherine is December, when the rain falls for 5.5 days and typically aggregates up to 0.67" (17mm) of precipitation.

How many days does it rain in December in Katherine?

In December, the rain falls for 5.5 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

What is the snowiest month in Katherine?

December has the most snowfall days of the year in Katherine, Arizona. Snow falls for 0.1 days.

When does it start snowing in Katherine?

December is the first month it typically snows in Katherine, Arizona. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days in Katherine?

December has the shortest days of the year in Katherine, with an average of 9h and 48min of daylight.

What is the average length of the day in December in Katherine?

The average day length in December is 9h and 50min.

When are sunrise and sunset in December in Katherine?

On the first day of December in Katherine, Arizona, sunrise is at 7:29 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:36 pm MST.

What is the month with the least sunshine in Katherine?

With an average of 7h of sunshine, December has the least sunshine of the year in Katherine.

How many hours of sunshine does Katherine have in December?

In Katherine, the average sunshine duration in December is 7h.

What is the month with the lowest UV index in Katherine?

December is the month with the lowest UV index in Katherine, Arizona, with an average maximum UV index of 3.

What is the UV index intensity in December in Katherine?

In December, the average daily maximum UV index in Katherine is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Katherine, AZ

Average temperature in December - Katherine, AZ
  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is July (100.8°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in December: 43.5°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).

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Average pressure in December
Katherine, AZ

Average pressure in December - Katherine, AZ
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).

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Average wind speed in December
Katherine, AZ

Average wind speed in December - Katherine, AZ
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

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Average humidity in December
Katherine, AZ

Average humidity in December - Katherine, AZ
  • Average humidity in December: 41%

The month with the highest relative humidity is January (42%).
The month with the lowest relative humidity is June (14%).

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Average rainfall in December
Katherine, AZ

Average rainfall in December - Katherine, AZ
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is December (0.67").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Katherine, AZ

Average rainfall days in December - Katherine, AZ
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in December
Katherine, AZ

Average snowfall days in December - Katherine, AZ
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Katherine, AZ
  • 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: 7h and 0min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in December
Katherine, AZ

Average sunshine days in December - Katherine, AZ
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is July (20.3 days).

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Average UV index in December
Katherine, AZ

Average UV index in December - Katherine, AZ
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Katherine, AZ

Average cloud cover in December - Katherine, AZ
  • Average cloud cover in December: 19

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in December
Katherine, AZ

Average visibility in December - Katherine, 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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Katherine, Arizona, USA

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