December weather forecastRuskin, FL
December
Weather in December
December, the first month of the winter in Ruskin, is also an agreeable month, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 72.5°F (22.5°C).Temperature
Ruskin records a slight change with December's average high-temperatures adjusting to a pleasant 72.5°F (22.5°C) from November's 76.8°F (24.9°C). Ruskin's average low-temperature is measured at a refreshing 57.9°F (14.4°C) during December.Humidity
In Ruskin, the average relative humidity in December is 76%.Rainfall
In Ruskin, in December, during 7 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Ruskin, during the entire year, the rain falls for 159.5 days and collects up to 15.16" (385mm) of precipitation.Ocean temperature
In December, the average ocean temperature in Ruskin, Florida, is 69.1°F (20.6°C).Note: A surface water temperature of 69.1°F (20.6°C) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 69.8°F (21°C).
Daylight
With an average of 10h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:03 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:45 pm EST.
Sunshine
With an average of 6.4h of sunshine, December has the least sunshine of the year.UV index
In Ruskin, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In December, a daily UV index of 5 turns into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ruskin, FL
- Average high temperature in December: 72.5°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (68.7°F).
- Average low temperature in December: 57.9°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (52.7°F).
Average pressure in December
Ruskin, FL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Ruskin, FL
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Ruskin, FL
- Average humidity in December: 76%
The month with the highest relative humidity is September (77%).
The months with the lowest relative humidity are March, April and May (71%).
Average rainfall in December
Ruskin, FL
- Average rainfall in December: 0.94"
The wettest months (with the highest rainfall) are July and August (2.68").
The driest months (with the least rainfall) are January, February and March (0.47").
Average rainfall days in December
Ruskin, FL
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is August (24.1 days).
The month with the least rainy days is February (6.7 days).
Average sea temperature in December
Ruskin, 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
Ruskin, 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 24min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Ruskin, FL
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is August (4.1 days).
Average UV index in December
Ruskin, 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
Ruskin, FL
- Average cloud cover in December: 31
The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is May (Cloud cover 23).
Average visibility in December
Ruskin, 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).
