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
In Newcastle, the month of December registers the lowest temperatures, averaging 54.9°F (12.7°C) at the peak and 37.9°F (3.3°C) at the lowest.Humidity
The average relative humidity in December is 61%.Rainfall
In Newcastle, in December, it is raining for 5.5 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 104 rainfall days, and 18.58" (472mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Newcastle, during December, snow falls for 1 days and regularly aggregates up to 0.51" (13mm) of snow. In Newcastle, during the entire year, snow falls for 4.8 days and aggregates up to 3.19" (81mm) 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 7:20 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:38 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.2h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in Newcastle in December?
What is the month with the shortest days?
How many hours of daylight does Newcastle have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Newcastle have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Newcastle, TX
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is August (97°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in December: 37.9°F
The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in December
Newcastle, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Newcastle, TX
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity in December
Newcastle, TX
- Average humidity in December: 61%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Newcastle, TX
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Newcastle, TX
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Newcastle, TX
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Newcastle, TX
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Newcastle, 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: 6h and 1min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in December
Newcastle, TX
- Average sunshine days in December: 23.3 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is September (16.2 days).
Average UV index in December
Newcastle, TX
- Average UV index in December: 2
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Newcastle, TX
- Average cloud cover in December: 28
The month with the most cloud cover is March (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Newcastle, 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).
Newcastle, Texas, USA
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