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
Merkel's December weather, with an average high temperature of 56.5°F (13.6°C) and an average low temperature of 39.2°F (4°C), tends to be the coldest of the year.Humidity
The average relative humidity in December is 56%.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 87.9 rainfall days, and 15.31" (389mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, October through December. In December, it is snowing for 1.6 days. Throughout December, 0.98" (25mm) of snow is accumulated. Throughout the year, there are 6.3 snowfall days, and 4.25" (108mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:24 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:45 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 6.4h of sunshine.UV index
December is the month with the lowest UV index, 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 the ordinary person.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Merkel?
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December in Merkel?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Merkel have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Merkel, TX
- Average high temperature in December: 56.5°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in December: 39.2°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).
Average pressure in December
Merkel, 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 (29.86"Hg).
Average wind speed in December
Merkel, TX
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is April (14.4mph).
The calmest month (with the lowest average wind speed) is September (10.2mph).
Average humidity in December
Merkel, TX
- Average humidity in December: 56%
The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is August (46%).
Average rainfall in December
Merkel, TX
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is September (2.2").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in December
Merkel, TX
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in December
Merkel, TX
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Merkel, TX
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Merkel, TX
- Average daylight in December: 10h and 1min
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 6min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Merkel, TX
- Average sunshine days in December: 23.9 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is May (16.3 days).
Average UV index in December
Merkel, TX
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Merkel, TX
- Average cloud cover in December: 26
The month with the most cloud cover is March (Cloud cover 27).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility in December
Merkel, 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).
Merkel, Texas, USA
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