December weather forecast and climate
Blackwater, AZ

Weather in December

December, the first month of the winter, in Blackwater, is also an enjoyable month, with average temperature ranging between min 47.1°F (8.4°C) and max 63.1°F (17.3°C).

Temperature

With an average high-temperature of 63.1°F (17.3°C) and an average low-temperature of 47.1°F (8.4°C), December is the coldest month.

Humidity

With an average relative humidity of 44%, December is the most humid month in Blackwater, Arizona.

Rainfall

In Blackwater, during December, the rain falls for 5.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Blackwater, there are 50.9 rainfall days, and 6.89" (175mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h of daylight.

Sunshine

With an average of 6.8h of sunshine, December has the least sunshine of the year in Blackwater.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index in Blackwater. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. 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.
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FAQ

What is the coldest month in Blackwater?

December is the coldest month in Blackwater, with an average high-temperature of 63.1°F (17.3°C) and an average low-temperature of 47.1°F (8.4°C).

What is the temperature in December in Blackwater?

In Blackwater, Arizona, in December, the average high-temperature is 63.1°F (17.3°C), and the average low-temperature is 47.1°F (8.4°C).

What is the most humid month in Blackwater?

With an average relative humidity of 44%, December is the most humid month in Blackwater, Arizona.

What is the average humidity in December in Blackwater?

The average relative humidity in December in Blackwater, Arizona, is 44%.

How many days does it rain in December in Blackwater?

In Blackwater, Arizona, in December, during 5.4 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

What is the month with the shortest days in Blackwater?

December has the shortest days of the year in Blackwater, with an average of 10h of daylight.

How many hours of daylight does Blackwater have in December?

The average length of the day in December in Blackwater, Arizona, is 10h.

What is the month with the least sunshine in Blackwater?

The month with the least sunshine in Blackwater is December, with an average of 6.8h of sunshine.

How long on average sun shines in December in Blackwater?

In Blackwater, the average sunshine in December is 6.8h.

When is the lowest UV index in Blackwater?

With an average maximum UV index of 3, December is the month with the lowest UV index.

What is the UV index intensity in December in Blackwater?

In December, the average daily maximum UV index in Blackwater is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in December
Blackwater, AZ

Average temperature in December - Blackwater, AZ
  • Average high temperature in December: 63.1°F

The warmest month (with the highest average high temperature) is July (102°F).
The month with the lowest average high temperature is December (63.1°F).

  • Average low temperature in December: 47.1°F

The month with the highest average low temperature is August (82.8°F).
The coldest month (with the lowest average low temperature) is January (46.8°F).

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Average pressure in December
Blackwater, AZ

Average pressure in December - Blackwater, AZ
  • Average pressure in December: 30.05"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed in December
Blackwater, AZ

Average wind speed in December - Blackwater, AZ
  • Average wind speed in December: 5.4mph

The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest month (with the lowest average wind speed) is December (5.4mph).

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Average humidity in December
Blackwater, AZ

Average humidity in December - Blackwater, AZ
  • Average humidity in December: 44%

The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in December
Blackwater, AZ

Average rainfall in December - Blackwater, AZ
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is February (0.91").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in December
Blackwater, AZ

Average rainfall days in December - Blackwater, AZ
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.3 days).

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

Average daylight in December / Average sunshine in December - Blackwater, AZ
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 6.8h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in December
Blackwater, AZ

Average sunshine days in December - Blackwater, AZ
  • Average sunshine days in December: 25.4 days

The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (19.8 days).

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Average UV index in December
Blackwater, AZ

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

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
Blackwater, AZ

Average cloud cover in December - Blackwater, 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 6).

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Average visibility in December
Blackwater, AZ

Average visibility in December - Blackwater, 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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