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
The coldest period is December, when temperatures fluctuate between an average high of 50.9°F (10.5°C) and a low of 31.6°F (-0.2°C).Humidity
In December, the average relative humidity is 54%.Rainfall
December is the month with the least rainfall. Rain falls for 2.2 days and accumulates 0.2" (5mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Happy, in December, snow falls for 1.5 days, with typically accumulated 0.24" (6mm) of snow. In Happy, during the entire year, snow falls for 6.9 days and aggregates up to 4.21" (107mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 5:36 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:46 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 6.8h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What are the temperatures in December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December in Happy?
What is the month with the least sunshine?
How many hours of sunshine does Happy have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Happy, TX
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Happy, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Happy, TX
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in December
Happy, TX
- Average humidity in December: 54%
The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is April (41%).
Average rainfall in December
Happy, TX
- Average rainfall in December: 0.2"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is December (0.2").
Average rainfall days in December
Happy, TX
- Average rainfall days in December: 2.2 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in December
Happy, TX
- Average snowfall in December: 0.24"
The months with the highest snowfall are January and February (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Happy, TX
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Happy, TX
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Happy, TX
- Average sunshine days in December: 26.9 days
The month with the most sunshine days is January (28.3 days).
The month with the least sunshine days is August (14.5 days).
Average UV index in December
Happy, TX
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Happy, TX
- Average cloud cover in December: 22
The months with the most cloud cover are February and September (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in December
Happy, 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).
Happy, Texas, USA
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