December weather forecastYorktown, TX
December
Weather in December
December, the first month of the winter in Yorktown, is still a comfortable month, with an average temperature fluctuating between 63°F (17.2°C) and 47.7°F (8.7°C).Temperature
The onset of December results in a small decrease in the average high-temperature, moderately receding from an agreeable 70.3°F (21.3°C) in November to a comfortable 63°F (17.2°C). Yorktown reports a consistent average low-temperature of 47.7°F (8.7°C) throughout December nights.Humidity
In Yorktown, the average relative humidity in December is 74%.Rainfall
In Yorktown, in December, during 7.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Yorktown, during the entire year, the rain falls for 125 days and collects up to 13.9" (353mm) of precipitation.Snowfall
In Yorktown, snow does not fall in January, 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 7:06 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:43 pm CST.
Sunshine
With an average of 4.7h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Yorktown, TX
- Average high temperature in December: 63°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (62.2°F).
- Average low temperature in December: 47.7°F
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (45.3°F).
Average pressure in December
Yorktown, 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 (29.9"Hg).
Average wind speed in December
Yorktown, TX
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in December
Yorktown, TX
- Average humidity in December: 74%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Yorktown, TX
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is September (2.05").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in December
Yorktown, TX
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is September (16 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in December
Yorktown, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Yorktown, TX
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.2 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
Yorktown, 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: 4h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Yorktown, TX
- Average sunshine days in December: 20 days
The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is September (13 days).
Average UV index in December
Yorktown, 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
Yorktown, TX
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Yorktown, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (6mi).
The months with the lowest visibility are June and July (5mi).
