December weather forecastTheressa, FL
December
Weather in December
December, the first month of the winter in Theressa, is also an agreeable month, with an average temperature fluctuating between 68.4°F (20.2°C) and 51.4°F (10.8°C).Temperature
December's arrival brings an average high-temperature of a still agreeable 68.4°F (20.2°C), demonstrating subtle variation from the preceding month. During the nights in December, Theressa observes an average low-temperature of 51.4°F (10.8°C).Humidity
The average relative humidity in December is 77%.Rainfall
In December, the rain falls for 10.9 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. In Theressa, during the entire year, the rain falls for 188.6 days and collects up to 33.5" (851mm) of precipitation.Snowfall
The only month with snowfall in Theressa is December. December has the most snowfall days of the year. Snow falls for 0.1 days.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:39 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.9h of sunshine.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 4 in December suggests the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Theressa, FL
- Average high temperature in December: 68.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (64.2°F).
- Average low temperature in December: 51.4°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (46.6°F).
Average pressure in December
Theressa, FL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in December
Theressa, FL
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Theressa, FL
- Average humidity in December: 77%
The months with the highest relative humidity are August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Theressa, FL
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is July (5.31").
The driest months (with the least rainfall) are January and November (1.5").
Average rainfall days in December
Theressa, FL
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is August (25.9 days).
The month with the least rainy days is November (9 days).
Average snowfall days in December
Theressa, FL
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Theressa, FL
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Theressa, FL
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is July (3.6 days).
Average UV index in December
Theressa, FL
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Theressa, FL
- Average cloud cover in December: 40
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are May and October (Cloud cover 31).
Average visibility in December
Theressa, FL
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
