December weather forecastOldsmar, FL
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 10h and 24min
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 30min
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: 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: 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: 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: 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).
