December weather forecast and climate
Tampa, FL

The Hillsborough River flowing under the bridge in Tampa, Florida, with a beautiful skyline above
The Hillsborough River flowing under the bridge in Tampa, Florida, with a beautiful skyline above
December is the start of the winter, with the average low temperatures dropping to a mild 54.2°F (12.3°C). The days are at a comfortable 72°F (22.2°C) during which sunburns are not a significant concern as the sun radiates ultraviolet rays to a lesser degree.
Average sea temperature of 73°F (22.8°C) is suitable for beach activities. For people who find the water a little cold, Tampa can be explored from the water on water bikes or kayaks.
Average temperature in December - Tampa, FL
  • Average high temperature in December: 72°F

The warmest month (with the highest average high temperature) is August (90.2°F).
The month with the lowest average high temperature is January (69.9°F).

  • Average low temperature in December: 54.2°F

The month with the highest average low temperature is August (76.2°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).

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

The month with the highest relative humidity is August (78.4%).
The month with the lowest relative humidity is April (69%).

Average rainfall in December - Tampa, FL
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is August (7.3").
The driest month (with the lowest rainfall) is April (1.5").

Average rainfall days in December - Tampa, FL
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is August (16 days).
The month with the lowest number of rainy days is April (4.9 days).

Average sea temperature in December - Tampa, FL
  • Average sea temperature in December: 69.1°F

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (64.8°F).

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 shortest days is December (Average daylight: 10.4h).

  • Average sunshine in December: 6.2h

The month with most sunshine is May (Average sunshine: 10.1h).
The month with least sunshine is December (Average sunshine: 6.2h).

Average UV index in December - Tampa, FL
  • Average UV index in December: 4

Months with the highest UV index are June, July and August (UV index 11).
The month with the lowest UV index is December (UV index 4).

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