Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, recording an average high temperature of 36.7°F (2.6°C) and a low temperature of 27°F (-2.8°C), is White Rock's coldest month.Humidity
In January, the average relative humidity is 75%.Rainfall
In White Rock, in January, it is raining for 8.6 days, with typically 2.24" (57mm) of accumulated precipitation. In White Rock, during the entire year, the rain falls for 154.5 days and collects up to 31.46" (799mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In January, it is snowing for 5.6 days. Throughout January, 1.26" (32mm) of snow is accumulated. Throughout the year, in White Rock, there are 18.6 snowfall days, and 6.26" (159mm) of snow is accumulated.Daylight
In White Rock, the average length of the day in January is 9h and 35min.On the first day of the month, sunrise is at 7:13 am and sunset at 4:28 pm. On the last day of January, sunrise is at 6:59 am and sunset at 5:01 pm EST.
Sunshine
The average sunshine in January is 5.2h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
How much does it rain in White Rock in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January in White Rock?
How many hours of sunshine does White Rock have in January?
When is the lowest UV index?
What is the UV index intensity in January in White Rock?
Average temperature in January
White Rock, RI
- Average high temperature in January: 36.7°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 January: 27°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 January
White Rock, RI
- Average pressure in January: 30.02"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 January
White Rock, RI
- Average wind speed in January: 12.5mph
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 January
White Rock, RI
- Average humidity in January: 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 January
White Rock, RI
- Average rainfall in January: 2.24"
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 January
White Rock, RI
- Average rainfall days in January: 8.6 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 January
White Rock, RI
- Average snowfall in January: 1.26"
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 January
White Rock, RI
- Average snowfall days in January: 5.6 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 January /
Average sunshine in January
White Rock, RI
- Average daylight in January: 9h and 4min
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 January: 5h and 1min
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 January
White Rock, RI
- Average sunshine days in January: 17.4 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 January
White Rock, RI
- Average UV index in January: 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 January
White Rock, RI
- Average cloud cover in January: 44
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 January
White Rock, RI
- Average visibility in January: 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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