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, having an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C), is the coldest month.Humidity
In Foster, the average relative humidity in January is 77%.Rainfall
In January, the rain falls for 8.3 days. Throughout January, 2.52" (64mm) of precipitation is accumulated. In Foster, during the entire year, the rain falls for 163 days and collects up to 33.86" (860mm) of precipitation.Snowfall
Months with snowfall in Foster are January through May, November and December. In Foster, during January, snow falls for 7.8 days and regularly aggregates up to 2.91" (74mm) of snow. Throughout the year, in Foster, there are 30.6 snowfall days, and 14.02" (356mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 33min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:26 pm. On the last day of January, sunrise is at 7:00 am and sunset at 5:00 pm EST.
Sunshine
The average sunshine in January is 5h.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 minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In January, an average UV index of 2 transforms into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What time of the year is the coldest in Foster?
How cold is it in Foster in January?
What is the average humidity in January in Foster?
How much does it rain in Foster in January?
How much does it snow in Foster in January?
How many hours of daylight does Foster have in January?
What time are sunrise and sunset in January in Foster?
How long on average sun shines in January in Foster?
When is the lowest UV index in Foster?
How high is the UV index in January in Foster?
Average temperature in January
Foster, RI
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Foster, 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
Foster, RI
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in January
Foster, RI
- Average humidity in January: 77%
The months with the highest relative humidity are February, June, July, September and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Foster, RI
- Average rainfall in January: 2.52"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Foster, RI
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Foster, RI
- Average snowfall in January: 2.91"
The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Foster, RI
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 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
Foster, 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 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Foster, RI
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in January
Foster, 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
Foster, RI
- Average cloud cover in January: 45
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Foster, 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).
Foster, Rhode Island, USA
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