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 arrival of December corresponds with a light shift in temperature, down from a comfortable 64.8°F (18.2°C) in November to a still refreshing 57.7°F (14.3°C). Marathon's nights in December cool down to an average low-temperature of 39.4°F (4.1°C).Humidity
In Marathon, the average relative humidity in December is 48%.Rainfall
In Marathon, in December, it is raining for 3.3 days, with typically 0.55" (14mm) of accumulated precipitation. In Marathon, during the entire year, the rain falls for 87.6 days and collects up to 10.83" (275mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Marathon, in December, snow falls for 1.6 days, with typically accumulated 0.47" (12mm) of snow. In Marathon, during the entire year, snow falls for 4.7 days and aggregates up to 2.2" (56mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 7:32 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 6:03 pm CST.
Sunshine
December has the least sunshine of the year in Marathon, with an average of 7.7h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Marathon, Texas. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Marathon?
What is the average humidity in December in Marathon?
How much does it rain in Marathon in December?
How much does it snow in Marathon in December?
What is the month with the shortest days in Marathon?
What is the average length of the day in December in Marathon?
When are sunrise and sunset in December in Marathon?
What is the month with the least sunshine in Marathon?
How many hours of sunshine does Marathon have in December?
When is the lowest UV index in Marathon?
What is the UV index intensity in December in Marathon?
Average temperature in December
Marathon, TX
- Average high temperature in December: 57.7°F
The warmest month (with the highest average high temperature) is June (90°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 39.4°F
The months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in December
Marathon, TX
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.84"Hg).
Average wind speed in December
Marathon, TX
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).
Average humidity in December
Marathon, TX
- Average humidity in December: 48%
The month with the highest relative humidity is September (56%).
The month with the lowest relative humidity is April (29%).
Average rainfall in December
Marathon, TX
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is September (2.01").
The driest month (with the least rainfall) is February (0.2").
Average rainfall days in December
Marathon, TX
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in December
Marathon, TX
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Marathon, TX
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is December (1.6 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
Marathon, 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: 7h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).
Average sunshine days in December
Marathon, TX
- Average sunshine days in December: 26.3 days
The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in December
Marathon, TX
- Average UV index in December: 3
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Marathon, TX
- Average cloud cover in December: 17
The month with the most cloud cover is September (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in December
Marathon, 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).
Marathon, Texas, USA
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