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
December is the coldest month, exhibiting average temperatures of 49.3°F (9.6°C) at the peak and 31.1°F (-0.5°C) at the base.Humidity
The most humid month in Groom is December, with an average relative humidity of 55%.Rainfall
In Groom, during December, the rain falls for 2.9 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, in Groom, there are 93.1 rainfall days, and 14.09" (358mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Groom, in December, snow falls for 3.2 days, with typically accumulated 0.91" (23mm) of snow. In Groom, during the entire year, snow falls for 13.1 days and aggregates up to 5.83" (148mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:35 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:42 pm CST.
Sunshine
December has the least sunshine of the year, 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. 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 month is the coldest?
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Groom 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 in Groom?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Groom, TX
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (49.3°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in December
Groom, 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
Groom, TX
- Average wind speed in December: 11.5mph
The windiest month (with the highest average wind speed) is April (14.5mph).
The calmest month (with the lowest average wind speed) is August (11mph).
Average humidity in December
Groom, TX
- Average humidity in December: 55%
The month with the highest relative humidity is December (55%).
The months with the lowest relative humidity are March and April (44%).
Average rainfall in December
Groom, TX
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in December
Groom, TX
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is July (13.1 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Groom, TX
- Average snowfall in December: 0.91"
The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Groom, TX
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Groom, 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 48min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Groom, TX
- Average sunshine days in December: 24.8 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in December
Groom, 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
Groom, TX
- Average cloud cover in December: 23
The months with the most cloud cover are February, March, April and December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in December
Groom, 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).
Groom, Texas, USA
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