December weather forecastHigh Island, TX
December
Weather in December
December, the first month of the winter in High Island, is also an enjoyable month, with an average temperature fluctuating between 62.1°F (16.7°C) and 50.4°F (10.2°C).Temperature
In High Island, the average high-temperature in December slightly decreases from an agreeable 69.1°F (20.6°C) in November to a comfortable 62.1°F (16.7°C). High Island, during the month of December, experiences an average low-temperature of 50.4°F (10.2°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In December, the rain falls for 8.6 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 132.4 rainfall days, and 13.78" (350mm) of precipitation is accumulated.Snowfall
The only month with snowfall is December. The month with the most snowfall in High Island is December, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:55 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:12 am and sunset at 5:29 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the UV index of 3 transforms into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
High Island, TX
- Average high temperature in December: 62.1°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in December: 50.4°F
The month with the highest average low temperature is July (77.9°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in December
High Island, 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
High Island, TX
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are August and September (6.6mph).
Average humidity in December
High Island, TX
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
High Island, TX
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is September (2.01").
The driest months (with the least rainfall) are February and March (0.43").
Average rainfall days in December
High Island, TX
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
High Island, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
High Island, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.2 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
High Island, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
High Island, TX
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in December
High Island, 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
High Island, TX
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
High Island, 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).
