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
Smithfield's temperature records reveal January as the coldest month, marked by average highs of 33.8°F (1°C) and lows of 21.7°F (-5.7°C).Humidity
In Smithfield, the average relative humidity in January is 77%.Rainfall
In Smithfield, during January, the rain falls for 7.1 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Smithfield, during the entire year, the rain falls for 137.6 days and collects up to 23.98" (609mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Smithfield, in January, snow falls for 6.3 days, with typically accumulated 2.17" (55mm) of snow. Throughout the year, in Smithfield, Rhode Island, there are 26.3 snowfall days, and 12.64" (321mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 32min.On the first day of January, sunrise is at 7:13 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:59 pm EST.
Sunshine
The average sunshine in January in Smithfield, Rhode Island, 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 in Smithfield. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Smithfield?
How cold is it in Smithfield in January?
What is the average humidity in January in Smithfield?
How many days does it rain in January in Smithfield?
How much does it snow in Smithfield in January?
What is the average length of the day in January in Smithfield?
What time are sunrise and sunset in January in Smithfield?
How long on average sun shines in January in Smithfield?
When is the lowest UV index in Smithfield?
What is the UV index intensity in January in Smithfield?
Average temperature in January
Smithfield, RI
- Average high temperature in January: 33.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in January: 21.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in January
Smithfield, RI
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Smithfield, RI
- Average wind speed in January: 9.3mph
The windiest months (with the highest average wind speed) are February and March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Smithfield, RI
- Average humidity in January: 77%
The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Smithfield, RI
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in January
Smithfield, RI
- Average rainfall days in January: 7.1 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in January
Smithfield, RI
- Average snowfall in January: 2.17"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Smithfield, RI
- Average snowfall days in January: 6.3 days
The month with the highest number of snowfall days is March (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Smithfield, RI
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Smithfield, RI
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in January
Smithfield, 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
Smithfield, RI
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Smithfield, RI
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, October, November and December (6mi).
The months with the lowest visibility are June, July, August and September (5mi).
Smithfield, Rhode Island, USA
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