December weather forecastMission Bay, FL
December
Weather in December
December, the first month of the winter in Mission Bay, is still a warm month, with temperature in the range of an average low of 66°F (18.9°C) and an average high of 76.1°F (24.5°C).Temperature
December's presence records an average high-temperature of a still warm 76.1°F (24.5°C), closely mirroring November's climate. Mission Bay's average low-temperature in the month of December is recorded at an enjoyable 66°F (18.9°C).Humidity
The months with the highest humidity are September, October and December, with an average relative humidity of 75%.Rainfall
In Mission Bay, in December, during 14.6 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Mission Bay, during the entire year, the rain falls for 231 days and collects up to 37.8" (960mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 30min of daylight.On the first day of December in Mission Bay, sunrise is at 6:52 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:39 pm EST.
Sunshine
The month with the least sunshine in Mission Bay is December, with an average of 6.2h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in December suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mission Bay, FL
- Average high temperature in December: 76.1°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (73.2°F).
- Average low temperature in December: 66°F
The month with the highest average low temperature is August (80.2°F).
The coldest month (with the lowest average low temperature) is January (61.5°F).
Average pressure in December
Mission Bay, FL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in December
Mission Bay, FL
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is March (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Mission Bay, FL
- Average humidity in December: 75%
The months with the highest relative humidity are September, October and December (75%).
The month with the lowest relative humidity is March (68%).
Average rainfall in December
Mission Bay, FL
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is August (6.38").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Mission Bay, FL
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is August (28.1 days).
The month with the least rainy days is February (11.8 days).
Average daylight in December /
Average sunshine in December
Mission Bay, FL
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 6h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in December
Mission Bay, FL
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is March (13.3 days).
The month with the least sunshine days is August (0.9 days).
Average UV index in December
Mission Bay, 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 months with the lowest UV index are January and December (UV index 5).
Average cloud cover in December
Mission Bay, FL
- Average cloud cover in December: 33
The month with the most cloud cover is October (Cloud cover 34).
The months with the least cloud cover are April, May and July (Cloud cover 27).
Average visibility in December
Mission Bay, 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).





