December weather forecast
Gandy, FL

Weather in December

December, the first month of the winter, in Gandy, is still a pleasant month, with average temperature fluctuating between 71.1°F (21.7°C) and 59.7°F (15.4°C).

Temperature

In December, the average high-temperature is practically the same as in November - an agreeable 71.1°F (21.7°C). The average low-temperature,, is 59.7°F (15.4°C).

Humidity

December is the most humid month in Gandy, with an average relative humidity of 76%.

Rainfall

In Gandy, during 8.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, in Gandy, there are 161.7 rainfall days, and 24.76" (629mm) of precipitation is accumulated.

Ocean temperature

In Gandy, the average water temperature is 68.5°F (20.3°C).
Note: For swimming, a surface water temperature of 68.5°F (20.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

December has the shortest days of the year, with an average of 10.4h of daylight.

Sunshine

The month with the least sunshine is December, with an average of 6.5h of sunshine.

UV index

The average daily maximum UV index in Gandy is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 most humid month in Gandy?

With an average relative humidity of 76%, December is the most humid month in Gandy.

What is the average humidity in December in Gandy?

In December, the average relative humidity is 76%.

How many days does it rain in December in Gandy?

In Gandy, during December, the rain falls for 8.4 days and regularly aggregates up to 1.65" (42mm) of precipitation.

What is the ocean temperature in December in Gandy?

In Gandy, the average seawater temperature in December is 68.5°F (20.3°C). For most, swimming in 68.5°F (20.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the month with the shortest days in Gandy?

With an average of 10.4h of daylight, December has the shortest days of the year in Gandy.

How many hours of daylight does Gandy have in December?

In Gandy, the average length of the day in December is 10.4h.

What is the month with the least sunshine in Gandy?

With an average of 6.5h of sunshine, December has the least sunshine of the year in Gandy.

How many hours of sunshine does Gandy have in December?

The average sunshine in December in Gandy, Florida, is 6.5h.

How high is the UV index in December in Gandy?

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

Average temperature in December
Gandy, FL

Average temperature in December - Gandy, FL
  • Average high temperature in December: 71.1°F

The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (66.7°F).

  • Average low temperature in December: 59.7°F

The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (55.2°F).

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Average pressure in December
Gandy, FL

Average pressure in December - Gandy, 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 (29.96").

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Average wind speed in December
Gandy, FL

Average wind speed in December - Gandy, FL
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in December
Gandy, FL

Average humidity in December - Gandy, FL
  • Average humidity in December: 76%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is May (71%).

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Average rainfall in December
Gandy, FL

Average rainfall in December - Gandy, FL
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is July (4.61").
The driest month (with the least rainfall) is November (0.83").

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Average rainfall days in December
Gandy, FL

Average rainfall days in December - Gandy, FL
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is November (7.2 days).

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Average sea temperature in December
Gandy, FL

Average sea temperature in December - Gandy, FL
  • Average sea temperature in December: 68.6°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

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Average daylight in December /
Average sunshine in December
Gandy, FL

Average daylight in December / Average sunshine in December - Gandy, FL
  • Average daylight in December: 10.4h

The month with the longest days is June (Average daylight: 13.9h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in December: 6.5h

The month with the most sunshine is May (Average sunshine: 11.2h).
The month with the least sunshine is December (Average sunshine: 6.5h).

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Average sunshine days in December
Gandy, FL

Average sunshine days in December - Gandy, FL
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (4.3 days).

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Average UV index in December
Gandy, FL

Average UV index in December - Gandy, 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).

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Average cloud cover in December
Gandy, FL

Average cloud cover in December - Gandy, FL
  • Average cloud cover in December: 30

Months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 21).

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Average visibility in December
Gandy, FL

Average visibility in December - Gandy, 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).

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