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 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
December implies a soft temperature shift, with average high-temperatures reducing from November's moderately hot 76.5°F (24.7°C) to a pleasant 70.3°F (21.3°C). The nights of December anticipate an average low-temperature of 56.8°F (13.8°C).Humidity
In Sebastian, the average relative humidity in December is 71%.Rainfall
In Sebastian, in December, during 10.8 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 125.2 rainfall days, and 15.28" (388mm) of precipitation is accumulated.Daylight
The month with the shortest days in Sebastian is December, with an average of 10h and 30min of daylight.On the first day of December in Sebastian, sunrise is at 7:02 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:50 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.1h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 4 during December translates into the following directions:
Take necessary precautions - Defending against sun damage is advocated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the average December temperature in Sebastian?
What is the average humidity in December in Sebastian?
How many days does it rain in December in Sebastian?
What is the month with the shortest days in Sebastian?
What is the average length of the day in December in Sebastian?
What time are sunrise and sunset in December in Sebastian?
What is the month with the least sunshine in Sebastian?
How many hours of sunshine does Sebastian have in December?
What is the month with the lowest UV index in Sebastian?
How high is the UV index in December in Sebastian?
Average temperature in December
Sebastian, TX
- Average high temperature in December: 70.3°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in December: 56.8°F
The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (54.1°F).
Average pressure in December
Sebastian, TX
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Sebastian, TX
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are April and May (11.9mph).
The calmest month (with the lowest average wind speed) is September (8.9mph).
Average humidity in December
Sebastian, TX
- Average humidity in December: 71%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Sebastian, TX
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is September (2.64").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in December
Sebastian, TX
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is September (17.2 days).
The month with the least rainy days is July (7.4 days).
Average daylight in December /
Average sunshine in December
Sebastian, TX
- Average daylight in December: 10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Sebastian, TX
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is July (22.1 days).
The month with the least sunshine days is September (10.6 days).
Average UV index in December
Sebastian, TX
- Average UV index in December: 4
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Sebastian, TX
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Sebastian, TX
- 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).
Sebastian, Texas, USA
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