January weather forecastRockville, RI
January
Weather in January
January, like December, in Rockville, Rhode Island, is an icy winter month, with an average temperature fluctuating between 23.7°F (-4.6°C) and 35.1°F (1.7°C).Temperature
January is the coldest month, exhibiting average temperatures of 35.1°F (1.7°C) at the peak and 23.7°F (-4.6°C) at the base.Humidity
The average relative humidity in January in Rockville is 76%.Rainfall
In Rockville, Rhode Island, in January, during 9.1 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 162.4 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Rockville, in January, snow falls for 6.9 days, with typically accumulated 2.48" (63mm) of snow. Throughout the year, there are 27.9 snowfall days, and 12.2" (310mm) of snow is accumulated.Daylight
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 4:27 pm. On the last day of January, sunrise is at 6:59 am and sunset at 5:01 pm EST.
Sunshine
In Rockville, the average sunshine in January is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 2 during January translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rockville, RI
- Average high temperature in January: 35.1°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in January: 23.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in January
Rockville, 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
Rockville, RI
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Rockville, RI
- Average humidity in January: 76%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Rockville, RI
- Average rainfall in January: 2.68"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in January
Rockville, RI
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in January
Rockville, RI
- Average snowfall in January: 2.48"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Rockville, RI
- Average snowfall days in January: 6.9 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Rockville, RI
- Average daylight in January: 9h and 36min
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 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Rockville, RI
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in January
Rockville, 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, November and December (UV index 2).
Average cloud cover in January
Rockville, RI
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Rockville, 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).
