December weather forecast and climate
Black Diamond, FL

December, the first month of the winter, in Black Diamond, is still a pleasant month, with average temperature varying between 69.4°F (20.8°C) and 54.7°F (12.6°C).

Temperature

In Black Diamond, Florida, the average high-temperature in December is practically the same as in November - a pleasant 69.4°F (20.8°C). In Black Diamond, the average low-temperature is 54.7°F (12.6°C).

Humidity

In December, the average relative humidity in Black Diamond is 77%.

Rainfall

In December, the rain falls for 8.8 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 178.4 rainfall days, and 34.06" (865mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Black Diamond.

Daylight

The month with the shortest days in Black Diamond is December, with an average of 10.3h of daylight.

Sunshine

With an average of 6.3h of sunshine, December has the least sunshine of the year in Black Diamond.

UV index

In December, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Black Diamond?

In Black Diamond, Florida, in December, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 54.7°F (12.6°C).

What is the average humidity in December in Black Diamond?

The average relative humidity in December in Black Diamond is 77%.

How many days does it rain in December in Black Diamond?

In Black Diamond, during December, the rain falls for 8.8 days and regularly aggregates up to 2.72" (69mm) of precipitation.

Does it snow in Black Diamond in December?

In Black Diamond, in December, it doesn't snow. In January, it regularly snows.

When it does not snow in Black Diamond?

In Black Diamond snow does not fall in February through December.

What is the month with the shortest days in Black Diamond?

With an average of 10.3h of daylight, December has the shortest days of the year in Black Diamond.

How many hours of daylight does Black Diamond have in December?

In Black Diamond, Florida, the average length of the day in December is 10.3h.

What is the month with the least sunshine in Black Diamond?

With an average of 6.3h of sunshine, December has the least sunshine of the year in Black Diamond.

How long on average sun shines in December in Black Diamond?

The average sunshine in December in Black Diamond, Florida, is 6.3h.

What is the UV index reading in December in Black Diamond?

The average daily maximum UV index in December in Black Diamond is 5. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Black Diamond, FL
  • Average high temperature in December: 69.4°F

The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (65.3°F).

  • Average low temperature in December: 54.7°F

The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).

Average pressure in December - Black Diamond, FL
  • Average pressure in December: 30.11"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is September (29.97").

Average wind speed in December - Black Diamond, FL
  • Average wind speed in December: 6.8mph

The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

Average humidity in December - Black Diamond, FL
  • Average humidity in December: 77%

The month with the highest relative humidity is September (78%).
Months with the lowest relative humidity are January, March and May (73%).

Average rainfall in December - Black Diamond, FL
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is August (5.51").
The driest month (with the least rainfall) is March (1.26").

Average rainfall days in December - Black Diamond, FL
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is August (26.9 days).
The month with the least rainy days is November (8.7 days).

Average snowfall days in December - Black Diamond, FL
  • Average snowfall days in December: 0 days

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

Average daylight in December / Average sunshine in December - Black Diamond, FL
  • Average daylight in December: 10.3h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in December: 6.3h

The month with the most sunshine is May (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 6.3h).

Average sunshine days in December - Black Diamond, FL
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is August (2.1 days).

Average UV index in December - Black Diamond, FL
  • Average UV index in December: 5

Months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in December - Black Diamond, FL
  • Average cloud cover in December: 34

Months with the most cloud cover are February and December (Cloud cover 34).
The month with the least cloud cover is May (Cloud cover 24).

Average visibility in December - Black Diamond, FL
  • 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).