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
December marks a gentle change in average high-temperature, declining from November's fresh 51.3°F (10.7°C) to a cold 42.6°F (5.9°C). In White Rock, the nighttime temperature averages to a still icy 33.4°F (0.8°C) during December.Humidity
In December, the average relative humidity is 75%.Rainfall
December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.39" (86mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In White Rock, in December, snow falls for 3.5 days, with typically accumulated 1.06" (27mm) of snow. In White Rock, during the entire year, snow falls for 18.6 days and aggregates up to 6.26" (159mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in White Rock.On the first day of December, sunrise is at 6:54 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:27 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is December in White Rock?
What is the average humidity in December in White Rock?
What is the wettest month in White Rock?
How much does it rain in White Rock in December?
How much does it snow in White Rock in December?
What is the month with the shortest days in White Rock?
What is the average length of the day in December in White Rock?
When are sunrise and sunset in December in White Rock?
What are the months with the least sunshine in White Rock?
How long on average sun shines in December in White Rock?
What are the months with the lowest UV index in White Rock?
What is the UV index intensity in December in White Rock?
Average temperature in December
White Rock, RI
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
White Rock, RI
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
White Rock, RI
- Average wind speed in December: 12mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in December
White Rock, RI
- Average humidity in December: 75%
The months with the highest relative humidity are June and July (81%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in December
White Rock, RI
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
White Rock, RI
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
White Rock, RI
- Average snowfall in December: 1.06"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
White Rock, RI
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.6 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
White Rock, RI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
White Rock, RI
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
White Rock, RI
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in December
White Rock, RI
- Average cloud cover in December: 47
The months with the most cloud cover are March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
White Rock, RI
- 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).
White Rock, Rhode Island, USA
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