December weather forecastSaint Leo, FL
December
Weather in December
The first month of the winter, December, is also an agreeable month in Saint Leo, Florida, with an average temperature ranging between max 72.1°F (22.3°C) and min 55.2°F (12.9°C).Temperature
The arrival of December sees an average high-temperature of an agreeable 72.1°F (22.3°C), hardly diverging from November's 75.4°F (24.1°C). An average low-temperature of 55.2°F (12.9°C) marks the nights in Saint Leo, Florida throughout December.Humidity
In December, the average relative humidity is 77%.Rainfall
In Saint Leo, in December, it is raining for 9.5 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, in Saint Leo, there are 200.6 rainfall days, and 40.39" (1026mm) of precipitation is accumulated.Snowfall
In Saint Leo, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 10h and 24min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 5:32 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:43 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.3h of sunshine.UV index
The average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in December leads to these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Leo, FL
- Average high temperature in December: 72.1°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (67.6°F).
- Average low temperature in December: 55.2°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (50.2°F).
Average pressure in December
Saint Leo, 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
Saint Leo, FL
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Saint Leo, FL
- Average humidity in December: 77%
The months with the highest relative humidity are August and September (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Saint Leo, FL
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is August (7.17").
The driest months (with the least rainfall) are February, March and November (1.42").
Average rainfall days in December
Saint Leo, FL
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (28.8 days).
The month with the least rainy days is December (9.5 days).
Average snowfall days in December
Saint Leo, FL
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Saint Leo, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Saint Leo, FL
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is August (0.8 days).
Average UV index in December
Saint Leo, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Saint Leo, FL
- Average cloud cover in December: 35
The months with the most cloud cover are February and December (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in December
Saint Leo, 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).
