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 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
A moderate decline in average high-temperatures is noted in December, moving from a comfortable 67.6°F (19.8°C) in November to a mild 59.9°F (15.5°C). Throughout December, an average low-temperature of 45.1°F (7.3°C) is experienced.Humidity
The average relative humidity in December is 71%.Rainfall
In Manchaca, in December, it is raining for 9.7 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 148 rainfall days, and 24.92" (633mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February, November and December. In Manchaca, in December, snow falls for 0.1 days, with typically accumulated 0.04" (1mm) of snow. Throughout the year, in Manchaca, there are 1 snowfall days, and 0.35" (9mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:41 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
December is the month with the lowest UV index in Manchaca, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 3 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Manchaca in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Manchaca have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Manchaca, TX
- Average high temperature in December: 59.9°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in December: 45.1°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 (42.4°F).
Average pressure in December
Manchaca, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Manchaca, TX
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in December
Manchaca, TX
- Average humidity in December: 71%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Manchaca, TX
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in December
Manchaca, TX
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is September (16.4 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Manchaca, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Manchaca, TX
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Manchaca, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Manchaca, TX
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Manchaca, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Manchaca, TX
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Manchaca, 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).
Manchaca, Texas, USA
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