Tampa Weather in December
While December's weather is not particularly stormy at Tampa, Florida, this is the city's cloudiest month. Still, more often than not the sun does shine.
This page gives detailed information on the typical December temperature, precipitation, sun, humidity, wind and storms for Tampa. The numbers here are historical averages based on climate data gathered at the Tampa International Airport, located near Tampa Bay and the city center.
Temperature
| 74 °F | December average high | 23 °C |
| 56 °F | December average low | 13 °C |
| 22 days | 70 °F max. or more (21 °C) |
| 10 days | 50 °F min. or less (10 °C) |
Most December days warm to over 60 degrees Fahrenheit (16 degrees Celsius) in Tampa. Tampa averages 7 days this month when the thermometer reaches into the 80s °F (over 27 °C). Temperatures above 90 °F (32 °C) are not expected here this time of year.
The thermometer dips to 40 °F (4 °C) or below on an average of two nights. In some years, December can get as cold as 32 °F (0 °C).
Rain
| 2.6 in | total precipitation | 65 mm |
| 6 days | of rain |
Half the time, Tampa receives0.9 to 2.2 inches (23 to 55 mm) of rainfall in December. One in four years has drier weather, while another one in four is wetter.
Sun
| 61 % | sunshine |
| 10 days | clear skies |
December is Tampa's cloudiest month. The sun's rays reach the ground during 61 percent of daylight hours on average, for a total of 197 hours in the month. Typically on 10 days this month the sky is mainly clear, with at most 30 percent cloud cover.
Sunlight in December at Tampa averages 10 hours and 24 minutes a day. The shortest days of the year, from around December 18th to 24th, last 10 hours and 22 minutes from sunrise to sunset.
Humidity
| 75 % | December average humidity |
The relative humidity in Tampa during December usually peaks at 87 percent in the morning then drops to 57 percent by mid afternoon.
| Local Time | 1 am | 4 am | 7 am | 10 am | 1 pm | 4 pm | 7 pm | 10 pm |
| Humidity % | 85 | 86 | 87 | 72 | 59 | 57 | 74 | 81 |
Wind
| 8.3 mph | December wind speed average | 13.4 kph |
December is an average month for wind speed at Tampa.
Storms
| 1 day | rainfall of 0.5 inches (13 mm) or more |
| 1 day | with thunderstorms in December |
Reference
The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.