December weather forecast and climate
Tampa, FL

The Hillsborough River flowing under the bridge in Tampa, Florida
The Hillsborough River flowing under the bridge in Tampa, Florida

Weather in December

December, the first month of the winter, in Tampa, is still a pleasant month, with average temperature ranging between max 72°F (22.2°C) and min 58.1°F (14.5°C).

Temperature

In December, the average high-temperature is relatively the same as in November - a pleasant 72°F (22.2°C). In December, the average low-temperature is 58.1°F (14.5°C).

Humidity

December is the most humid month, with an average relative humidity of 75%.

Rainfall

In Tampa, in December, it is raining for 8.8 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in Tampa, there are 178.2 rainfall days, and 32.87" (835mm) of precipitation is accumulated.

Ocean temperature

In December, the average ocean temperature is 69.1°F (20.6°C).
Note: For swimming, a surface water temperature of 69.1°F (20.6°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

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

Sunshine

The month with the least sunshine is December, with an average of 6.3h of sunshine.

UV index

The average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a moderate health risk 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 sunburn is recommended. 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.
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FAQ

What is the most humid month in Tampa?

December is the most humid month in Tampa, with an average relative humidity of 75%.

What is the average humidity in December in Tampa?

The average relative humidity in December in Tampa is 75%.

How much does it rain in Tampa in December?

In Tampa, in December, it is raining for 8.8 days, with typically 1.69" (43mm) of accumulated precipitation.

How cold is the water in December in Tampa?

In Tampa, Florida, the average seawater temperature in December is 69.1°F (20.6°C). For swimming, a surface water temperature of 69.1°F (20.6°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days in Tampa?

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

How many hours of daylight does Tampa have in December?

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

What is the month with the least sunshine in Tampa?

The month with the least sunshine in Tampa is December, with an average of 6.3h of sunshine.

How long on average sun shines in December in Tampa?

The average sunshine in December in Tampa is 6.3h.

What is the UV index intensity in December in Tampa?

The average daily maximum UV index in December in Tampa is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.

Average temperature in December
Tampa, FL

Average temperature in December - Tampa, FL
  • Average high temperature in December: 22.2°C

The warmest month (with the highest average high temperature) is August (32.4°C).
The month with the lowest average high temperature is January (19.9°C).

  • Average low temperature in December: 14.5°C

The month with the highest average low temperature is August (26.1°C).
The coldest month (with the lowest average low temperature) is January (11.9°C).

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Average pressure in December
Tampa, FL

Average pressure in December - Tampa, FL
  • Average pressure in December: 1019.5mbar

The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is September (1014.6mbar).

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Average wind speed in December
Tampa, FL

Average wind speed in December - Tampa, FL
  • Average wind speed in December: 11.5km/h

The windiest month (with the highest average wind speed) is March (12.5km/h).
The calmest month (with the lowest average wind speed) is July (9.4km/h).

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Average humidity in December
Tampa, FL

Average humidity in December - Tampa, FL
  • Average humidity in December: 75%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is May (69%).

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Average rainfall in December
Tampa, FL

Average rainfall in December - Tampa, FL
  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is July (144mm).
The driest month (with the least rainfall) is November (32mm).

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Average rainfall days in December
Tampa, FL

Average rainfall days in December - Tampa, FL
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is November (8.2 days).

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Average sea temperature in December
Tampa, FL

Average sea temperature in December - Tampa, FL
  • Average sea temperature in December: 20.6°C

The best month for swimming (with the highest average sea temperature) is August (30.3°C).
The coldest month (with the lowest average sea temperature) is January (18.2°C).

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

Average daylight in December / Average sunshine in December - Tampa, 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: 6.3h

The month with the most sunshine is May (Average sunshine: 10.9h).
The month with the least sunshine is December (Average sunshine: 6.3h).

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Average sunshine days in December
Tampa, FL

Average sunshine days in December - Tampa, FL
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is November (20.3 days).
Months with the least sunshine days are July and August (4.3 days).

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Average UV index in December
Tampa, FL

Average UV index in December - Tampa, FL
  • Average UV index in December: 5

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).

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Average cloud cover in December
Tampa, FL

Average cloud cover in December - Tampa, FL
  • Average cloud cover in December: 33

Months with the most cloud cover are January and December (Cloud cover 33).
The month with the least cloud cover is May (Cloud cover 24).

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Average visibility in December
Tampa, FL

Average visibility in December - Tampa, FL
  • Average visibility in December: 9km

Months with the highest visibility are April, May, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March and December (9km).

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