Climate and monthly 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). 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). Weather in January »

Weather in February

February, the last month of the winter in Foster, is another cold month, with an average temperature fluctuating between 36.7°F (2.6°C) and 22.3°F (-5.4°C). In February, the average high-temperature is relatively the same as in January - a still wintry 36.7°F (2.6°C). Weather in February »

Weather in March

March, the first month of the spring in Foster, is a frosty month, with temperature in the range of an average low of 29.5°F (-1.4°C) and an average high of 43.5°F (6.4°C). In March, the average high-temperature marginally rises from a cold 36.7°F (2.6°C) in February to a chilly 43.5°F (6.4°C). Weather in March »

Weather in April

April is a moderate spring month in Foster, Rhode Island, with an average temperature ranging between max 55.6°F (13.1°C) and min 39.2°F (4°C). In April, the average high-temperature increases from a frosty 43.5°F (6.4°C) in March to a mild 55.6°F (13.1°C). Weather in April »

Weather in May

May, the last month of the spring in Foster, is an enjoyable month, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 66.7°F (19.3°C). In May, the average high-temperature increases from a moderate 55.6°F (13.1°C) in April to a comfortable 66.7°F (19.3°C). Weather in May »

Weather in June

June, the first month of the summer in Foster, is a warm month, with an average temperature ranging between min 55.9°F (13.3°C) and max 74.1°F (23.4°C). In June, the average high-temperature slightly increases from an enjoyable 66.7°F (19.3°C) in May to a warm 74.1°F (23.4°C). Weather in June »

Weather in July

July, like June, in Foster, Rhode Island, is another warm summer month, with an average temperature ranging between min 63.1°F (17.3°C) and max 81.1°F (27.3°C). The warmest month is July, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 63.1°F (17.3°C). In July, the average heat index is computed to be a hot 86.5°F (30.3°C). Weather in July »

Weather in August

August, the last month of the summer in Foster, is also a moderately hot month, with an average temperature ranging between max 79.7°F (26.5°C) and min 61.9°F (16.6°C). In August, the average high-temperature is almost the same as in July - a still moderately hot 79.7°F (26.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Foster, Rhode Island, with an average temperature ranging between min 55.4°F (13°C) and max 72.3°F (22.4°C). In September, the average high-temperature marginally drops from a moderately hot 79.7°F (26.5°C) in August to an agreeable 72.3°F (22.4°C). Weather in September »

Weather in October

October, like September, in Foster, Rhode Island, is another enjoyable autumn month, with an average temperature varying between 46.6°F (8.1°C) and 60.8°F (16°C). In October, the average high-temperature drops from a pleasant 72.3°F (22.4°C) in September to a comfortable 60.8°F (16°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Foster, Rhode Island, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 49.1°F (9.5°C). In Foster, the average high-temperature in November drops from a comfortable 60.8°F (16°C) in October to a chilly 49.1°F (9.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Foster, Rhode Island, with an average temperature fluctuating between 28.8°F (-1.8°C) and 39.4°F (4.1°C). In Foster, the average high-temperature in December decreases from a frosty 49.1°F (9.5°C) in November to a wintry 39.4°F (4.1°C). Weather in December »
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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 in Foster.

How many days does it rain in Foster?

Throughout the year, there are 163 rainfall days, and 33.86" (860mm) of precipitation is accumulated.

When does it snow in Foster?

Months with snowfall are January through May, November and December.

How much does it snow in Foster?

Throughout the year, in Foster, Rhode Island, there are 30.6 snowfall days, and 14.02" (356mm) of snow is accumulated.

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

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

What are the most humid months in Foster?

February, June, July, September and October, with an average relative humidity of 79%, are most humid months.

What is the month with the least sunshine in Foster?

With an average of 4.7h of sunshine, February has the least sunshine of the year in Foster, Rhode Island.

What is the snowiest month in Foster?

The month with the most snowfall in Foster, Rhode Island, is March, when snow falls for 7.3 days and typically aggregates up to 3.7" (94mm) of snow.

When is Daylight Saving Time (DST) in Foster?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Foster, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Foster?

The least humid month is April, with an average relative humidity of 73%.

When it does not snow in Foster?

In Foster, Rhode Island, snow does not fall in June through October.

When are the longest days in Foster?

With an average of 15h and 10min of daylight, June has the longest days of the year in Foster, Rhode Island.

What are the months with the highest UV index in Foster?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Foster.

What is the warmest month in Foster?

July is the warmest month in Foster, Rhode Island, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 63.1°F (17.3°C).

What are the months with the most sunshine in Foster?

July and August, with an average of 10.2h of sunshine, are months with the most sunshine.

What is the driest month in Foster?

September is the month with the least rainfall in Foster, Rhode Island. Rain falls for 13.6 days and accumulates 1.81" (46mm) of precipitation.

What is the rainiest month in Foster?

December is the month with the most rainfall in Foster. Rain falls for 11.5 days and accumulates 3.43" (87mm) of precipitation.

What is the month with the shortest days in Foster?

December has the shortest days of the year in Foster, with an average of 9h and 12min of daylight.

Average temperature
Foster, RI

Average temperature - Foster, RI

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).

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
Foster, RI

Average pressure - Foster, RI

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
Foster, RI

Average wind speed - Foster, RI

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
Foster, RI

Average humidity - Foster, RI

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
Foster, RI

Average rainfall - Foster, RI

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
Foster, RI

Average rainfall days - Foster, RI

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
Foster, RI

Average snowfall - Foster, RI

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
Foster, RI

Average snowfall days - Foster, RI

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 / Average sunshine
Foster, RI

Average daylight / Average sunshine - Foster, RI

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).

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
Foster, RI

Average sunshine days - Foster, RI

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
Foster, RI

Average UV index - Foster, RI

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 visibility
Foster, RI

Average visibility - Foster, RI

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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