December weather forecastMerit, TX
December
Weather in December
The first month of the winter, December, is still a cool month in Merit, Texas, with an average temperature ranging between max 54.7°F (12.6°C) and min 40.3°F (4.6°C).Temperature
As Merit enters December, the average high-temperature subtly lowers from the a comfortable 63.5°F (17.5°C) of November to a cool 54.7°F (12.6°C). An average low-temperature of 40.3°F (4.6°C) marks the nights throughout December.Humidity
The average relative humidity in December is 72%.Rainfall
In Merit, Texas, in December, it is raining for 9.5 days, with typically 2.2" (56mm) of accumulated precipitation. In Merit, during the entire year, the rain falls for 146.8 days and collects up to 33.78" (858mm) of precipitation.Snowfall
Months with snowfall are January, February, November and December. In Merit, during December, snow falls for 0.2 days and regularly aggregates up to 0.12" (3mm) of snow. In Merit, during the entire year, snow falls for 2.6 days and aggregates up to 1.22" (31mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:28 pm CST.
Sunshine
December has the least sunshine of the year in Merit, with an average of 5.5h of sunshine.UV index
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during December leads to these advisories:
Exercise caution. Those with pale skin may experience burns in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. On your guard! Snow's reflection 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
Average temperature in December
Merit, TX
- Average high temperature in December: 54.7°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in December: 40.3°F
The months with the highest average low temperature are July and August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Merit, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Merit, TX
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).
Average humidity in December
Merit, TX
- Average humidity in December: 72%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Merit, TX
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in December
Merit, TX
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Merit, TX
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Merit, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Merit, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Merit, TX
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is January (21.9 days).
The months with the least sunshine days are May and September (13.3 days).
Average UV index in December
Merit, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Merit, TX
- Average cloud cover in December: 39
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Merit, 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).
