January weather forecast
Foster, RI

Weather in January

January, the same as December, is a wintry winter month in Foster, Rhode Island, with an average temperature varying between 21.6°F (-5.8°C) and 33.4°F (0.8°C).

Temperature

The coldest month is January, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C).

Humidity

In Foster, the average relative humidity in January is 77%.

Rainfall

In Foster, Rhode Island, during 8.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, in Foster, there are 163 rainfall days, and 33.86" (860mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Foster. In Foster, snow falls for 7.8 days, with typically accumulated 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 in Foster 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, in Foster, Rhode Island, sunrise is at 7:00 am and sunset at 5:00 pm EST.

Sunshine

The average sunshine in January is 5h.

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 ordinary individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Foster?

With an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C), January is the coldest month.

What is the average humidity in January in Foster?

In January, the average relative humidity in Foster is 77%.

How much does it rain in Foster in January?

In Foster, Rhode Island, in January, during 8.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

How much does it snow in Foster in January?

In January, in Foster, it is snowing for 7.8 days. Throughout January, 2.91" (74mm) of snow is accumulated.

How many hours of daylight does Foster have in January?

In January, the average day length in Foster is 9h and 33min.

When is the sunrise / sunset in January in Foster?

On the first day of January in Foster, sunrise is at 7:14 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:00 pm EST.

How many hours of sunshine does Foster have in January?

In January, the average sunshine duration is 5h.

What is the month with the lowest UV index in Foster?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Foster?

In Foster, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Foster, RI

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).

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Average pressure in January
Foster, RI

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).

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Average wind speed in January
Foster, RI

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).

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Average humidity in January
Foster, RI

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%).

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Average rainfall in January
Foster, RI

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").

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Average rainfall days in January
Foster, RI

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).

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Average snowfall in January
Foster, RI

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").

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Average snowfall days in January
Foster, RI

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).

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Average daylight in January /
Average sunshine in January
Foster, RI

Average daylight in January / Average sunshine in January - Foster, RI
  • Average daylight in January: 9h and 33min

The month with the longest days is June (Average daylight: 15h and 10min).
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).

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Average sunshine days in January
Foster, RI

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).

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Average UV index in January
Foster, RI

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).

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Average cloud cover in January
Foster, RI

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).

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Average visibility in January
Foster, RI

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).

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