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 Rockport, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's cool 53.6°F (12°C) to a frosty 44.8°F (7.1°C). Throughout December, Rockport witnesses a consistent average low-temperature of 33.1°F (0.6°C).Humidity
The average relative humidity in December in Rockport is 79%.Rainfall
In Rockport, in December, during 10.5 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Rockport, there are 153.5 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Rockport, during December, snow falls for 4.5 days and regularly aggregates up to 1.22" (31mm) of snow. In Rockport, during the entire year, snow falls for 21.9 days and aggregates up to 6.1" (155mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December in Rockport, sunrise is at 6:45 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:39 pm CST.
Sunshine
The average sunshine in December in Rockport is 4.5h.UV index
The months with the lowest UV index in Rockport are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Rockport in December?
What is the average humidity in December in Rockport?
How much does it rain in Rockport in December?
How much does it snow in Rockport in December?
What is the month with the shortest days in Rockport?
How many hours of daylight does Rockport have in December?
When is the sunrise / sunset in December in Rockport?
How many hours of sunshine does Rockport have in December?
When is the lowest UV index in Rockport?
What is the UV index intensity in December in Rockport?
Average temperature in December
Rockport, IN
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Rockport, IN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Rockport, IN
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in December
Rockport, IN
- Average humidity in December: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Rockport, IN
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Rockport, IN
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (17.6 days).
The months with the least rainy days are October and November (9.5 days).
Average snowfall in December
Rockport, IN
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Rockport, IN
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rockport, IN
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Rockport, IN
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Rockport, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Rockport, IN
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Rockport, IN
- 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).
Rockport, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location
