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 transition into December involves a small decrease in the average high-temperature, dipping slightly from an agreeable 68.9°F (20.5°C) in November to a comfortable 62.1°F (16.7°C). In December, Port Neches experiences a temperature dip to an average of 49.3°F (9.6°C) at night.Humidity
In Port Neches, the average relative humidity in December is 79%.Rainfall
In Port Neches, during December, the rain falls for 13.4 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Port Neches, during the entire year, the rain falls for 174 days and collects up to 33.62" (854mm) of precipitation.Snowfall
Months with snowfall in Port Neches are January and December. The months with the most snowfall are January and December, with an average 0.12" (3mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:11 am and sunset at 5:26 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.9h 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 medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December in Port Neches?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Port Neches have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Port Neches, TX
- Average high temperature in December: 62.1°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (59.7°F).
- Average low temperature in December: 49.3°F
The month with the highest average low temperature is July (77.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in December
Port Neches, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Port Neches, TX
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are August and September (6.6mph).
Average humidity in December
Port Neches, TX
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Port Neches, TX
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is August (5").
The driest month (with the least rainfall) is March (1.69").
Average rainfall days in December
Port Neches, TX
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Port Neches, TX
- Average snowfall in December: 0.12"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Port Neches, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).
Average daylight in December /
Average sunshine in December
Port Neches, TX
- Average daylight in December: 10h and 2min
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 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Port Neches, TX
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is August (7 days).
Average UV index in December
Port Neches, 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
Port Neches, TX
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Port Neches, 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).
Port Neches, Texas, USA
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