December weather forecast
Blackwater, AZ

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Weather in December

December, the first month of the winter in Blackwater, is still a comfortable month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 47.1°F (8.4°C).

Temperature

In Blackwater, December is the month with the lowest recorded average temperatures, measuring a high of 63.1°F (17.3°C) and a low of 47.1°F (8.4°C).

Humidity

The most humid month is December, with an average relative humidity of 44%.

Rainfall

In Blackwater, Arizona, in December, it is raining for 5.4 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Blackwater, there are 50.9 rainfall days, and 6.89" (175mm) of precipitation is accumulated.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year in Blackwater.
On the first day of December, sunrise is at 7:11 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:30 pm MST.

Sunshine

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

UV index

December is the month with the lowest UV index in Blackwater, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What time of the year is the coldest in Blackwater?

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

What is the usual temperature for Blackwater in December?

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

What is the most humid month in Blackwater?

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

What is the average humidity in December in Blackwater?

In Blackwater, Arizona, the average relative humidity in December 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?

With an average of 10h and 0min of daylight, December has the shortest days of the year in Blackwater.

How many hours of daylight does Blackwater have in December?

In December, the average day length in Blackwater, Arizona, is 10h and 1min.

When is the sunrise / sunset in December in Blackwater?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:30 pm MST.

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?

The average sunshine duration in December in Blackwater, Arizona, 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 in Blackwater.

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 of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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 and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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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

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
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

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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Blackwater, Arizona, USA

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