Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
San Antonio's December average high-temperature settles at an agreeable 72.1°F (22.3°C), showing a near match with the preceding month. In San Antonio, December nights cool down to an average of 55.2°F (12.9°C).Humidity
In San Antonio, the average relative humidity in December is 77%.Rainfall
In December, in San Antonio, Florida, the rain falls for 9.5 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 200.6 rainfall days, and 40.39" (1026mm) of precipitation is accumulated.Snowfall
In San Antonio, snow does not fall in February through December.Daylight
December has the shortest days of the year in San Antonio, 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, in San Antonio, sunrise is at 7:21 am and sunset at 5:43 pm EST.
Sunshine
December has the least sunshine of the year in San Antonio, Florida, with an average of 6.3h of sunshine.UV index
In December, the average daily maximum UV index in San Antonio is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 5 in December transforms into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. To protect against the Sun's most potent rays, avoid direct exposure around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What are the temperatures in San Antonio in December?
What is the average humidity in December in San Antonio?
How much does it rain in San Antonio in December?
When it does not snow in San Antonio?
Does it snow in San Antonio in December?
What is the month with the shortest days in San Antonio?
How many hours of daylight does San Antonio have in December?
When is the sunrise / sunset in December in San Antonio?
What is the month with the least sunshine in San Antonio?
How long on average sun shines in December in San Antonio?
What is the UV index reading in December in San Antonio?
Average temperature in December
San Antonio, 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
San Antonio, 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
San Antonio, 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
San Antonio, 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
San Antonio, 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
San Antonio, 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
San Antonio, 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
San Antonio, FL
- Average daylight in December: 10h and 2min
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 2min
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
San Antonio, 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
San Antonio, 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
San Antonio, 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
San Antonio, 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).
San Antonio, Florida, USA
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