December weather forecast and climate
Stuart, FL

Weather in December

The first month of the winter, December, is still a warm month in Stuart, Florida, with average temperature varying between 74.5°F (23.6°C) and 65.3°F (18.5°C).

Temperature

In Stuart, the average high-temperature in December is practically the same as in November - a still warm 74.5°F (23.6°C). In December, the average low-temperature is 65.3°F (18.5°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

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

Ocean temperature

In Stuart, in December, the average water temperature is 75.6°F (24.2°C).
Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.6°F (24.2°C).

Daylight

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

Sunshine

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

UV index

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Stuart. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in December in Stuart?

In December, the average high-temperature is 74.5°F (23.6°C), and the average low-temperature is 65.3°F (18.5°C).

What is the average humidity in December in Stuart?

In Stuart, Florida, the average relative humidity in December is 76%.

How many days does it rain in December in Stuart?

In Stuart, Florida, in December, during 9.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

How warm is the water in December in Stuart?

In December, the average ocean temperature in Stuart, Florida, is 75.6°F (24.2°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.6°F (24.2°C).

What is the month with the shortest days in Stuart?

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

What is the average length of the day in December in Stuart?

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

What is the month with the least sunshine in Stuart?

Months with the least sunshine in Stuart are January and December, with an average of 6.1h of sunshine.

How long on average sun shines in December in Stuart?

The average sunshine in December in Stuart, Florida, is 6.1h.

When is the lowest UV index in Stuart?

January and December, with an average maximum UV index of 5, are months with the lowest UV index in Stuart.

How high is the UV index in December in Stuart?

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

Average temperature in December
Stuart, FL

Average temperature in December - Stuart, FL
  • 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
Stuart, FL

Average pressure in December - Stuart, FL
  • Average pressure in December: 30.09"

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
Stuart, FL

Average wind speed in December - Stuart, FL
  • 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
Stuart, FL

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

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
Stuart, FL

Average rainfall in December - Stuart, FL
  • 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
Stuart, FL

Average rainfall days in December - Stuart, FL
  • 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
Stuart, FL

Average sea temperature in December - Stuart, FL
  • 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
Stuart, FL

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

The month with the longest days is June (Average daylight: 13.8h).
The month with the shortest days is December (Average daylight: 10.4h).

  • Average sunshine in December: 6.1h

Months with the most sunshine are July and August (Average sunshine: 10.9h).
Months with the least sunshine are January and December (Average sunshine: 6.1).

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Average sunshine days in December
Stuart, FL

Average sunshine days in December - Stuart, FL
  • 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
Stuart, FL

Average UV index in December - Stuart, 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 and December (UV index 5).

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Average cloud cover in December
Stuart, FL

Average cloud cover in December - Stuart, FL
  • Average cloud cover in December: 34

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

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Average visibility in December
Stuart, FL

Average visibility in December - Stuart, 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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