December weather forecast and climate
Indian River Shores, FL

Weather in December

The first month of the winter, December, is also a moderately hot month in Indian River Shores, Florida, with average temperature ranging between min 64°F (17.8°C) and max 73.6°F (23.1°C).

Temperature

In December, the average high-temperature is essentially the same as in November - a still warm 73.6°F (23.1°C). In Indian River Shores, the average low-temperature is 64°F (17.8°C).

Humidity

In Indian River Shores, the average relative humidity is 77%.

Rainfall

In Indian River Shores, it is raining for 9.4 days, with typically 0.71" (18mm) of accumulated precipitation. In Indian River Shores, during the entire year, the rain falls for 153.2 days and collects up to 13.15" (334mm) of precipitation.

Ocean temperature

In December, the average ocean temperature in Indian River Shores is 75°F (23.9°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75°F (23.9°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

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

Sunshine

In Indian River Shores, Florida, the average sunshine is 6.2h.

UV index

January, February and December, with an average maximum UV index of 5, are months with the lowest UV index in Indian River Shores, Florida. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In December, the average maximum UV index of 5 translate into the following recommendations:
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. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Indian River Shores?

The average relative humidity in December in Indian River Shores is 77%.

How many days does it rain in December in Indian River Shores?

In December, in Indian River Shores, Florida, the rain falls for 9.4 days. Throughout December, 0.71" (18mm) of precipitation is accumulated.

What is the water temperature in December in Indian River Shores?

In Indian River Shores, in December, the average water temperature is 75°F (23.9°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 75°F (23.9°C) water.

What is the month with the shortest days in Indian River Shores?

The month with the shortest days is December, with an average of 10.4h of daylight.

How many hours of daylight does Indian River Shores have in December?

In Indian River Shores, the average length of the day in December is 10.4h.

How many hours of sunshine does Indian River Shores have in December?

In December, the average sunshine in Indian River Shores, Florida, is 6.2h.

What are the months with the lowest UV index in Indian River Shores?

January, February and December, with an average maximum UV index of 5, are months with the lowest UV index in Indian River Shores, Florida.

What is the UV index intensity in December in Indian River Shores?

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

Average temperature in December
Indian River Shores, FL

Average temperature in December - Indian River Shores, FL
  • Average high temperature in December: 73.6°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (70.2°F).

  • Average low temperature in December: 64°F

The month with the highest average low temperature is August (78.6°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).

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Average pressure in December
Indian River Shores, FL

Average pressure in December - Indian River Shores, FL
  • Average pressure in December: 30.1"

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

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Average wind speed in December
Indian River Shores, FL

Average wind speed in December - Indian River Shores, FL
  • Average wind speed in December: 9.4mph

The windiest months (with the highest average wind speed) are January and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in December
Indian River Shores, FL

Average humidity in December - Indian River Shores, FL
  • Average humidity in December: 77%

Months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in December
Indian River Shores, FL

Average rainfall in December - Indian River Shores, FL
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (0.39").

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Average rainfall days in December
Indian River Shores, FL

Average rainfall days in December - Indian River Shores, FL
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (7.7 days).

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Average sea temperature in December
Indian River Shores, FL

Average sea temperature in December - Indian River Shores, FL
  • Average sea temperature in December: 74.9°F

The best month for swimming (with the highest average sea temperature) is August (84.8°F).
The coldest months (with the lowest average sea temperature) are January and February (72.3°F).

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Average daylight in December /
Average sunshine in December
Indian River Shores, FL

Average daylight in December / Average sunshine in December - Indian River Shores, 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: 6.2h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is January (Average sunshine: 6h).

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Average sunshine days in December
Indian River Shores, FL

Average sunshine days in December - Indian River Shores, FL
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (5.1 days).

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Average UV index in December
Indian River Shores, FL

Average UV index in December - Indian River Shores, FL
  • Average UV index in December: 5

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

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Average cloud cover in December
Indian River Shores, FL

Average cloud cover in December - Indian River Shores, FL
  • Average cloud cover in December: 35

The month with the most cloud cover is November (Cloud cover 36).
Months with the least cloud cover are May and August (Cloud cover 27).

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Average visibility in December
Indian River Shores, FL

Average visibility in December - Indian River Shores, 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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