December weather forecastMcCoy, TX
December
Weather in December
December, the first month of the winter in McCoy, is also an enjoyable month, with an average temperature varying between 63.7°F (17.6°C) and 48°F (8.9°C).Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a pleasant 71.1°F (21.7°C) in November to a comfortable 63.7°F (17.6°C). An average minimum temperature of 48°F (8.9°C) is recorded during the month of December.Humidity
In McCoy, the average relative humidity in December is 70%.Rainfall
In McCoy, during December, the rain falls for 8.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. In McCoy, during the entire year, the rain falls for 121 days and collects up to 15.79" (401mm) of precipitation.Snowfall
In McCoy, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:46 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.1h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during December leads to these instructions:
Act with care - The need to guard against sun damage is communicated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McCoy, TX
- Average high temperature in December: 63.7°F
The warmest month (with the highest average high temperature) is August (98.1°F).
The month with the lowest average high temperature is January (62.8°F).
- Average low temperature in December: 48°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in December
McCoy, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
McCoy, TX
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is May (9.7mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in December
McCoy, TX
- Average humidity in December: 70%
The months with the highest relative humidity are March and May (72%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
McCoy, TX
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in December
McCoy, TX
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is September (15.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
McCoy, TX
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
McCoy, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
McCoy, TX
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
McCoy, TX
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is September (13.7 days).
Average UV index in December
McCoy, TX
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
McCoy, TX
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
McCoy, 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).
