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 advent of December brings a slight shift in average high-temperature, moving from a refreshing 65.5°F (18.6°C) in November to a moderate 57.6°F (14.2°C). Throughout December, Greenock records an average temperature of 42.4°F (5.8°C) at night.Humidity
The average relative humidity in December is 71%.Rainfall
In December, in Greenock, the rain falls for 8 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. In Greenock, during the entire year, the rain falls for 120.6 days and collects up to 17.32" (440mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:36 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 3 in December translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Greenock have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Greenock have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Greenock, TX
- Average high temperature in December: 57.6°F
The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 42.4°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure in December
Greenock, 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 (29.91"Hg).
Average wind speed in December
Greenock, TX
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (10.5mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in December
Greenock, TX
- Average humidity in December: 71%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Greenock, TX
- Average rainfall in December: 1.06"
The wettest months (with the highest rainfall) are May and October (2.2").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in December
Greenock, TX
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is September (13.4 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
Greenock, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Greenock, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Greenock, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Greenock, TX
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is January (22.4 days).
The months with the least sunshine days are April and September (14.4 days).
Average UV index in December
Greenock, 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
Greenock, TX
- Average cloud cover in December: 39
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Greenock, 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).
Greenock, Texas, USA
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