December weather forecast
Sewall's Point, FL

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Weather in December

The first month of the winter, December, is also a moderately hot month in Sewall's Point, Florida, with an average temperature ranging between max 74.5°F (23.6°C) and min 65.3°F (18.5°C).

Temperature

With the transition into December, Sewall's Point notes an average high-temperature of a still moderately hot 74.5°F (23.6°C), closely resembling November. Sewall's Point records an average low of 65.3°F (18.5°C) throughout the nights in December.

Humidity

In Sewall's Point, the average relative humidity in December is 76%.

Rainfall

In Sewall's Point, in December, it is raining for 9.3 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, in Sewall's Point, there are 168.1 rainfall days, and 14.09" (358mm) of precipitation is accumulated.

Ocean temperature

In December, the average ocean temperature in Sewall's Point is 75.6°F (24.2°C).
Note: Consideration of an individual's cold resistance, combined with conditions like sunshine, wind, and temperature, suggests that swimming in 75.6°F (24.2°C) water can be delightful. (Olympic swimming is usually in 77°F (25°C) to 82.4°F (28°C) water.)

Daylight

December has the shortest days of the year, with an average of 10h and 30min of daylight.
On the first day of December, sunrise is at 6:53 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:37 pm EST.

Sunshine

The months with the least sunshine are January and December, with an average of 6.1h of sunshine.

UV index

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Sewall's Point. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 5 in December translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be attentive! The UV exposure is heightened with reflections from sand and water.
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Frequently asked questions

What is the average December temperature in Sewall's Point?

The average high-temperature, in December, in Sewall's Point, is 74.5°F (23.6°C), while the average low-temperature is 65.3°F (18.5°C). In October, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the average humidity in December in Sewall's Point?

In Sewall's Point, Florida, the average relative humidity in December is 76%.

How many days does it rain in December in Sewall's Point?

In Sewall's Point, during December, the rain falls for 9.3 days and regularly aggregates up to 0.71" (18mm) of precipitation.

What is the ocean temperature in December in Sewall's Point?

In Sewall's Point, Florida, in December, the average water temperature is 75.6°F (24.2°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.6°F (24.2°C) water may be enjoyable.

What is the month with the shortest days in Sewall's Point?

December has the shortest days of the year, with an average of 10h and 30min of daylight.

What is the average length of the day in December in Sewall's Point?

The average day length in December is 10h and 28min.

When is the sunrise / sunset in December in Sewall's Point?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 5:26 pm. On the last day of the month, in Sewall's Point, Florida, sunrise is at 7:10 am and sunset at 5:37 pm EST.

What is the month with the least sunshine in Sewall's Point?

The months with the least sunshine are January and December, with an average of 6.1h of sunshine.

How many hours of sunshine does Sewall's Point have in December?

In December, the average sunshine duration is 6.1h.

What are the months with the lowest UV index in Sewall's Point?

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Sewall's Point.

How high is the UV index in December in Sewall's Point?

The average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.

Average temperature in December
Sewall's Point, FL

Average temperature in December - Sewall
  • Average high temperature in December: 74.5°F

The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (71.4°F).

  • Average low temperature in December: 65.3°F

The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (61.2°F).

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Average pressure in December
Sewall's Point, FL

Average pressure in December - Sewall
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

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Average wind speed in December
Sewall's Point, FL

Average wind speed in December - Sewall
  • Average wind speed in December: 9.9mph

The windiest months (with the highest average wind speed) are January, March and November (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in December
Sewall's Point, FL

Average humidity in December - Sewall
  • Average humidity in December: 76%

The months with the highest relative humidity are June and August (78%).
The month with the lowest relative humidity is March (70%).

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Average rainfall in December
Sewall's Point, FL

Average rainfall in December - Sewall
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in December
Sewall's Point, FL

Average rainfall days in December - Sewall
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is February (7.7 days).

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Average sea temperature in December
Sewall's Point, FL

Average sea temperature in December - Sewall
  • Average sea temperature in December: 75.6°F

The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (73.3°F).

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Average daylight in December /
Average sunshine in December
Sewall's Point, FL

Average daylight in December / Average sunshine in December - Sewall
  • Average daylight in December: 10h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in December: 6h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).

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Average sunshine days in December
Sewall's Point, FL

Average sunshine days in December - Sewall
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is August (3.4 days).

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Average UV index in December
Sewall's Point, FL

Average UV index in December - Sewall
  • Average UV index in December: 5

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).

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Average cloud cover in December
Sewall's Point, FL

Average cloud cover in December - Sewall
  • Average cloud cover in December: 34

The months with the most cloud cover are January, November and December (Cloud cover 34).
The months with the least cloud cover are May and July (Cloud cover 26).

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Average visibility in December
Sewall's Point, FL

Average visibility in December - Sewall
  • 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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Sewall's Point, Florida, USA

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