December weather forecastSouth Pasadena, FL

December

Weather in December

The first month of the winter, December, is still a pleasant month in South Pasadena, Florida, with an average temperature ranging between min 61°F (16.1°C) and max 70.7°F (21.5°C).

Temperature

South Pasadena experiences a subtle adjustment in high-temperatures to a pleasant 70.7°F (21.5°C) with the onset of December, maintaining near parity with November's 75°F (23.9°C). In December, South Pasadena experiences an average nighttime temperature of 61°F (16.1°C).

Humidity

December is the most humid month, with an average relative humidity of 77%.

Rainfall

In South Pasadena, Florida, in December, during 6.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 122.3 rainfall days, and 9.45" (240mm) of precipitation is accumulated.

Ocean temperature

In December, the average ocean temperature is 68.5°F (20.3°C).
Note: 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).

Daylight

The month with the shortest days is December, with an average of 10h and 24min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 5:35 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:46 pm EST.

Sunshine

With an average of 6.6h of sunshine, December has the least sunshine of the year.

UV index

In December, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 5 suggests this advice:
Exercise prevention - Warding off sunburn is urged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in December, in South Pasadena, is 70.7°F (21.5°C), while the average low-temperature is 61°F (16.1°C). In October, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

The most humid month is December, with an average relative humidity of 77%.

The average relative humidity in December is 77%.

In South Pasadena, in December, during 6.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

In South Pasadena, 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).

The month with the shortest days is December, with an average of 10h and 24min of daylight.

In December, the average day length is 10h and 25min.

On the first day of December, sunrise is at 7:04 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:46 pm EST.

With an average of 6.6h of sunshine, December has the least sunshine of the year.

In South Pasadena, the average sunshine duration in December is 6.6h.

The average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
South Pasadena, FL

  • Average high temperature in December: 70.7°F

The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is January (66.7°F).

  • Average low temperature in December: 61°F

The month with the highest average low temperature is August (80.6°F).
The coldest month (with the lowest average low temperature) is January (56.3°F).

Average pressure in December
South Pasadena, FL

  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in December
South Pasadena, FL

  • Average wind speed in December: 9.5mph

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 (7mph).

Average humidity in December
South Pasadena, FL

  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
South Pasadena, FL

  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is March (0.12").

Average rainfall days in December
South Pasadena, FL

  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is August (18.5 days).
The months with the least rainy days are January, February and March (5.6 days).

Average sea temperature in December
South Pasadena, 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).

Average daylight in December /
Average sunshine in December
South Pasadena, FL

  • Average daylight in December: 10h and 24min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in December: 6h and 36min

The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in December
South Pasadena, FL

  • Average sunshine days in December: 22.6 days

The month with the most sunshine days is March (24.3 days).
The month with the least sunshine days is August (5.6 days).

Average UV index in December
South Pasadena, FL

  • Average UV index in December: 5

The 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).

Average cloud cover in December
South Pasadena, FL

  • Average cloud cover in December: 29

The months with the most cloud cover are January and December (Cloud cover 29).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in December
South Pasadena, 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).