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, with its average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.4°F (-5.9°C), holds the record as the coldest month.Humidity
The average relative humidity in January is 77%.Rainfall
In Manville, in January, it is raining for 7.9 days, with typically 2.24" (57mm) of accumulated precipitation. In Manville, during the entire year, the rain falls for 144.7 days and collects up to 28.15" (715mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Manville, in January, snow falls for 7.5 days, with typically accumulated 2.87" (73mm) of snow. Throughout the year, there are 28.8 snowfall days, and 14.65" (372mm) of snow is accumulated.Daylight
In Manville, the average length of the day in January is 9h and 32min.On the first day of January, sunrise is at 7:13 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:58 pm EST.
Sunshine
In January, the average sunshine is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in January leads to these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January in Manville?
What is the average length of the day in January?
When is the sunrise / sunset in January in Manville?
How many hours of sunshine does Manville have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Manville, RI
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 21.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in January
Manville, 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
Manville, RI
- Average wind speed in January: 9.1mph
The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Manville, RI
- Average humidity in January: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Manville, RI
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in January
Manville, RI
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (7.9 days).
Average snowfall in January
Manville, RI
- Average snowfall in January: 2.87"
The month with the highest snowfall is March (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Manville, RI
- Average snowfall days in January: 7.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Manville, 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: 4h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Manville, RI
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in January
Manville, 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
Manville, RI
- Average cloud cover in January: 47
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Manville, RI
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Manville, Rhode Island, USA
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