December weather forecast
Oldsmar, FL

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Weather in December

December, the first month of the winter in Oldsmar, is still a pleasant month, with an average temperature varying between 59.5°F (15.3°C) and 70.2°F (21.2°C).

Temperature

The commencement of December brings an average high-temperature of an agreeable 70.2°F (21.2°C), marking an inconsequential divergence from November. The month of December records an average low-temperature of 59.5°F (15.3°C) in Oldsmar.

Humidity

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

Rainfall

In Oldsmar, Florida, in December, it is raining for 9 days, with typically 1.77" (45mm) of accumulated precipitation. In Oldsmar, during the entire year, the rain falls for 168.5 days and collects up to 27.4" (696mm) of precipitation.

Ocean temperature

In Oldsmar, in December, the average water temperature is 65.1°F (18.4°C).
Note: In 65.1°F (18.4°C), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 69.8°F (21°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 7:05 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:45 pm EST.

Sunshine

With an average of 6.5h of sunshine, December has the least sunshine of the year.

UV index

In Oldsmar, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily UV index of 5 turns into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Oldsmar in December?

The high-temperature, in December, in Oldsmar, records 70.2°F (21.2°C), while the low-temperature is 59.5°F (15.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in October is evaluated at 86°F (30°C).

What is the most humid month?

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

What is the average humidity in December in Oldsmar?

The average relative humidity in December is 77%.

How many days does it rain in December in Oldsmar?

In Oldsmar, in December, it is raining for 9 days, with typically 1.77" (45mm) of accumulated precipitation.

How cold is the water in December?

In December, the average ocean temperature in Oldsmar is 65.1°F (18.4°C). Swimming in 65.1°F (18.4°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 24min of daylight.

How many hours of daylight does Oldsmar have in December?

In December, the average day length is 10h and 24min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:45 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.5h of sunshine.

How many hours of sunshine does Oldsmar have in December?

In December, the average sunshine duration is 6.5h.

What is the UV index intensity in December?

The average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Oldsmar, FL

Average temperature in December - Oldsmar, FL
  • Average high temperature in December: 70.2°F

The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (65.7°F).

  • Average low temperature in December: 59.5°F

The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (55°F).

Average pressure in December
Oldsmar, FL

Average pressure in December - Oldsmar, FL
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in December
Oldsmar, FL

Average wind speed in December - Oldsmar, FL
  • Average wind speed in December: 8.8mph

The windiest months (with the highest average wind speed) are January and March (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

Average humidity in December
Oldsmar, FL

Average humidity in December - Oldsmar, FL
  • Average humidity in December: 77%

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

Average rainfall in December
Oldsmar, FL

Average rainfall in December - Oldsmar, FL
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is August (5.16").
The driest month (with the least rainfall) is March (0.79").

Average rainfall days in December
Oldsmar, FL

Average rainfall days in December - Oldsmar, FL
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is July (25.6 days).
The month with the least rainy days is November (7.6 days).

Average sea temperature in December
Oldsmar, FL

Average sea temperature in December - Oldsmar, FL
  • Average sea temperature in December: 65.1°F

The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest month (with the lowest average sea temperature) is January (61.1°F).

Average daylight in December /
Average sunshine in December
Oldsmar, FL

Average daylight in December / Average sunshine in December - Oldsmar, FL
  • Average daylight in December: 10h and 2min

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 3min

The month with the most sunshine is May (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in December
Oldsmar, FL

Average sunshine days in December - Oldsmar, FL
  • Average sunshine days in December: 20.2 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (3.6 days).

Average UV index in December
Oldsmar, FL

Average UV index in December - Oldsmar, 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
Oldsmar, FL

Average cloud cover in December - Oldsmar, FL
  • Average cloud cover in December: 30

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in December
Oldsmar, FL

Average visibility in December - Oldsmar, 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).

Oldsmar, Florida, USA

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