Monthly weather forecast and climate
Great River, NY

Weather in January

January, like December, in Great River, New York, is a wintry winter month, with average temperature fluctuating between 30.2°F (-1°C) and 37.9°F (3.3°C). January is the coldest month, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30.2°F (-1°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Great River, New York, with average temperature ranging between min 31.3°F (-0.4°C) and max 39.7°F (4.3°C). In February, the average high-temperature is practically the same as in January - a still wintry 39.7°F (4.3°C). Weather in February »

Weather in March

March, the first month of the spring, in Great River, is a chilly month, with average temperature ranging between max 44.2°F (6.8°C) and min 36.3°F (2.4°C). In March, the average high-temperature is practically the same as in February - a chilly 44.2°F (6.8°C). Weather in March »

Weather in April

April in Great River, New York, is a fresh spring month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 52.3°F (11.3°C). In April, the average high-temperature slightly increases, from a chilly 44.2°F (6.8°C) in March, to a cool 52.3°F (11.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Great River, is an enjoyable month, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 61.2°F (16.2°C). In May, the average high-temperature marginally rises, from a cool 52.3°F (11.3°C) in April, to an enjoyable 61.2°F (16.2°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Great River, New York, with average temperature ranging between max 70.7°F (21.5°C) and min 63.5°F (17.5°C). In June, the average high-temperature rises, from a comfortable 61.2°F (16.2°C) in May, to a pleasant 70.7°F (21.5°C). Weather in June »

Weather in July

July in Great River, New York, is a moderately hot summer month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 71.6°F (22°C). In July, the average high-temperature slightly increases, from a pleasant 70.7°F (21.5°C) in June, to a moderately hot 77.9°F (25.5°C). Weather in July »

Weather in August

August, the last month of the summer, in Great River, is also a moderately hot month, with average temperature varying between 71.8°F (22.1°C) and 78.1°F (25.6°C). The warmest month is August, with an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 71.8°F (22.1°C). Weather in August »

Weather in September

September, the first month of the autumn, in Great River, is also an agreeable month, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 72.1°F (22.3°C). In Great River, the average high-temperature marginally drops, from a warm 78.1°F (25.6°C) in August, to an agreeable 72.1°F (22.3°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Great River, New York, with average temperature varying between 55.8°F (13.2°C) and 62.4°F (16.9°C). In Great River, the average high-temperature in October drops, from an agreeable 72.1°F (22.3°C) in September, to an enjoyable 62.4°F (16.9°C). Weather in October »

Weather in November

November, the last month of the autumn, in Great River, is also a fresh month, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 45°F (7.2°C). In November, the average high-temperature drops, from an enjoyable 62.4°F (16.9°C) in October, to a fresh 52.3°F (11.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Great River, is also a frosty month, with average temperature ranging between min 37.2°F (2.9°C) and max 44.1°F (6.7°C). In Great River, the average high-temperature marginally drops, from a cool 52.3°F (11.3°C) in November, to a frosty 44.1°F (6.7°C). Weather in December »
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FAQ

What is the coldest month in Great River?

The coldest month is January, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30.2°F (-1°C).

How much does it rain in Great River?

In Great River, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.

What is the driest month in Great River?

January is the month with the least rainfall in Great River. Rain falls for 8.3 days and accumulates 2.17" (55mm) of precipitation.

When does it snow in Great River?

Months with snowfall are January through March, May, October and December.

How much does it snow in Great River?

In Great River, New York, during the entire year, snow falls for 14.7 days, and aggregates up to 6.14" (156mm) of snow.

What are the months with the lowest UV index in Great River?

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

What month is the ocean coldest in Great River?

February is the month with the coldest seawater, with an average ocean temperature of 39.7°F (4.3°C).

What is the month with the least sunshine in Great River?

February has the least sunshine of the year in Great River, New York, with an average of 4.8h of sunshine.

When does it snow the most in Great River?

March is the month with the most snowfall in Great River, New York. Snow falls for 2.5 days and accumulates 2.13" (54mm) of snow.

When it does not snow in Great River?

April, June through September and November are months without snowfall in Great River.

What is the most humid month in Great River?

May and June, with an average relative humidity of 78%, are most humid months.

When are the longest days in Great River?

June has the longest days of the year, with an average of 15.1h of daylight.

What is the month with the highest UV index in Great River?

Months with the highest UV index in Great River, New York, are June through August, with an average maximum UV index of 6.

What month has the most sunshine in Great River?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Great River, New York.

What is the warmest month in Great River?

The warmest month in Great River, New York, is August, with an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 71.8°F (22.1°C).

When is the ocean warmest in Great River?

With an average ocean temperature of 73.9°F (23.3°C), August is the month with the warmest seawater.

What is the least humid month in Great River?

November is the least humid month, with an average relative humidity of 71%.

What is the wettest month in Great River?

The month with the most rainfall is December when the rain falls for 12.3 days and typically aggregates up to 3.74" (95mm) of precipitation.

What is the month with the shortest days in Great River?

December has the shortest days of the year in Great River, with an average of 9.3h of daylight.

Average temperature
Great River, NY

Average temperature - Great River, NY

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure
Great River, NY

Average pressure - Great River, NY

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Great River, NY

Average wind speed - Great River, NY

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

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Average humidity
Great River, NY

Average humidity - Great River, NY

Months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

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Average rainfall
Great River, NY

Average rainfall - Great River, NY

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days
Great River, NY

Average rainfall days - Great River, NY

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall
Great River, NY

Average snowfall - Great River, NY

The month with the highest snowfall is March (2.13").
Months with the least snowfall are April, June, July, August, September and November (0").

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Average snowfall days
Great River, NY

Average snowfall days - Great River, NY

The month with the highest number of snowfall days is February (4.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature
Great River, NY

Average sea temperature - Great River, NY

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

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Average daylight / Average sunshine
Great River, NY

Average daylight / Average sunshine - Great River, NY

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days
Great River, NY

Average sunshine days - Great River, NY

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index
Great River, NY

Average UV index - Great River, NY

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).

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Average visibility
Great River, NY

Average visibility - Great River, NY

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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