December weather forecast
Palm Beach, FL

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The famous Palm Beach in Florida, a panorama of the rest of the city, the beautiful blue water, and white sand
The famous Palm Beach in Florida, a panorama of the rest of the city, the beautiful blue water, and white sand

Weather in December

December rounds off the year in Palm Beach, reverting to milder and drier climatic conditions reminiscent of early January. A noticeable cooling trend with temperatures falling to 74.8°F (23.8°C) is the significant characteristic of this month. The upcoming January is expected to maintain similar weather patterns, marking the continuation of the cool winter season. Even in the depth of winter, the city continues to radiate an infectious warmth, making December an inviting time for holiday celebrations in Palm Beach.

Temperature

December's onset records an average high-temperature of a still moderately hot 74.8°F (23.8°C), a near match to November's 77.5°F (25.3°C). December nights in Palm Beach register a minor temperature decline, steadying at a pleasant 68°F (20°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

In December, the rain falls for 11.1 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 193.9 rainfall days, and 22.56" (573mm) of precipitation is accumulated.

Ocean temperature

In December, the average ocean temperature is 75.9°F (24.4°C).
Note: For someone sensitive to cold, swimming in 75.9°F (24.4°C) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 77°F (25°C) and 82.4°F (28°C).)

Daylight

The month with the shortest days is December, with an average of 10h and 30min of daylight.
On the first day of the month, sunrise is at 6:52 am and sunset at 5:26 pm. On the last day of December, in Palm Beach, sunrise is at 7:08 am and sunset at 5:38 pm EST.

Sunshine

January and December, with an average of 6.1h of sunshine, are months with the least sunshine in Palm Beach, Florida.

UV index

In December, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily high UV index of 6 in December leads to these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Boost your sun resistance with garments that are densely woven yet spacious. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
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Frequently asked questions

What are December temperatures in Palm Beach?

The average high-temperature, in December, in Palm Beach, is 74.8°F (23.8°C), while the average low-temperature is 68°F (20°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in October is evaluated at 87.8°F (31°C).

What is the average humidity in December in Palm Beach?

In December, the average relative humidity is 75%.

How much does it rain in Palm Beach in December?

In Palm Beach, Florida, in December, during 11.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

What is the water temperature in December in Palm Beach?

In Palm Beach, Florida, in December, the average water temperature is 75.9°F (24.4°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 75.9°F (24.4°C) water.

What is the month with the shortest days in Palm Beach?

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

What is the average length of the day in December in Palm Beach?

In December, the average day length in Palm Beach, Florida, is 10h and 30min.

What time are sunrise and sunset in December in Palm Beach?

On the first day of December in Palm Beach, sunrise is at 6:52 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:38 pm EST.

What is the month with the least sunshine in Palm Beach?

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

How long on average sun shines in December in Palm Beach?

In December, the average sunshine duration in Palm Beach, Florida, is 6.1h.

How high is the UV index in December in Palm Beach?

In Palm Beach, Florida, the average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high health threat from 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
Palm Beach, FL

Average temperature in December - Palm Beach, FL
  • Average high temperature in December: 74.8°F

The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (72°F).

  • Average low temperature in December: 68°F

The month with the highest average low temperature is August (81.3°F).
The coldest month (with the lowest average low temperature) is January (64.2°F).

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Average pressure in December
Palm Beach, FL

Average pressure in December - Palm Beach, FL
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

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Average wind speed in December
Palm Beach, FL

Average wind speed in December - Palm Beach, FL
  • Average wind speed in December: 11.3mph

The windiest month (with the highest average wind speed) is March (11.8mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in December
Palm Beach, FL

Average humidity in December - Palm Beach, FL
  • Average humidity in December: 75%

The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is March (70%).

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Average rainfall in December
Palm Beach, FL

Average rainfall in December - Palm Beach, FL
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in December
Palm Beach, FL

Average rainfall days in December - Palm Beach, FL
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is September (25 days).
The month with the least rainy days is February (9.3 days).

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Average sea temperature in December
Palm Beach, FL

Average sea temperature in December - Palm Beach, FL
  • Average sea temperature in December: 76°F

The best month for swimming (with the highest average sea temperature) is August (85.7°F).
The coldest month (with the lowest average sea temperature) is January (74.1°F).

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Average daylight in December /
Average sunshine in December
Palm Beach, FL

Average daylight in December / Average sunshine in December - Palm Beach, FL
  • 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 month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).

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Average sunshine days in December
Palm Beach, FL

Average sunshine days in December - Palm Beach, FL
  • Average sunshine days in December: 16 days

The month with the most sunshine days is January (18.2 days).
The month with the least sunshine days is August (3.5 days).

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Average UV index in December
Palm Beach, FL

Average UV index in December - Palm Beach, FL
  • Average UV index in December: 6

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 February (UV index 5).

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Average cloud cover in December
Palm Beach, FL

Average cloud cover in December - Palm Beach, FL
  • Average cloud cover in December: 35

The months with the most cloud cover are January, November and December (Cloud cover 35).
The months with the least cloud cover are May, July and August (Cloud cover 28).

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Average visibility in December
Palm Beach, FL

Average visibility in December - Palm Beach, FL
  • 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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Palm Beach, Florida, USA

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