Monthly weather forecast and climate
Sayreville, NJ

Weather in January

January, the same as December, is a wintry winter month in Sayreville, New Jersey, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 25.7°F (-3.5°C). With an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 25.7°F (-3.5°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Sayreville, New Jersey, with average temperature ranging between max 39.9°F (4.4°C) and min 27.1°F (-2.7°C). In February, the average high-temperature is practically the same as in January - a still cold 39.9°F (4.4°C). Weather in February »

Weather in March

March, the first month of the spring, in Sayreville, is a frosty month, with average temperature varying between 34.3°F (1.3°C) and 47.3°F (8.5°C). In March, the average high-temperature slightly increases, from a wintry 39.9°F (4.4°C) in February, to a chilly 47.3°F (8.5°C). Weather in March »

Weather in April

April in Sayreville, New Jersey, is a moderate spring month, with average temperature varying between 44.2°F (6.8°C) and 59°F (15°C). In Sayreville, the average high-temperature in April increases, from a frosty 47.3°F (8.5°C) in March, to a moderate 59°F (15°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Sayreville, New Jersey, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 68.9°F (20.5°C). In May, the average high-temperature rises, from a mild 59°F (15°C) in April, to an agreeable 68.9°F (20.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Sayreville, New Jersey, with average temperature fluctuating between 62.1°F (16.7°C) and 77.2°F (25.1°C). In Sayreville, the average high-temperature marginally rises, from a pleasant 68.9°F (20.5°C) in May, to a moderately hot 77.2°F (25.1°C). Weather in June »

Weather in July

July, like June, in Sayreville, New Jersey, is another warm summer month, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 68.7°F (20.4°C). The warmest month is July, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 68.7°F (20.4°C). The average heat index is appraised at a hot 91°F (32.8°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Sayreville, New Jersey, with average temperature fluctuating between 82°F (27.8°C) and 67.6°F (19.8°C). In Sayreville, the average high-temperature in August is relatively the same as in July - a still warm 82°F (27.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Sayreville, New Jersey, with average temperature ranging between min 61.3°F (16.3°C) and max 75.4°F (24.1°C). In Sayreville, the average high-temperature in September slightly decreases, from 82°F (27.8°C) in August, to a still warm 75.4°F (24.1°C). Weather in September »

Weather in October

October, like September, in Sayreville, New Jersey, is another enjoyable autumn month, with average temperature ranging between min 50.7°F (10.4°C) and max 63.7°F (17.6°C). In October, the average high-temperature decreases, from a moderately hot 75.4°F (24.1°C) in September, to an enjoyable 63.7°F (17.6°C). Weather in October »

Weather in November

November, the last month of the autumn, in Sayreville, is another cool month, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 52.2°F (11.2°C). In November, the average high-temperature decreases, from an enjoyable 63.7°F (17.6°C) in October, to a cool 52.2°F (11.2°C). Weather in November »

Weather in December

December, the first month of the winter, in Sayreville, is still a chilly month, with average temperature varying between 32.7°F (0.4°C) and 43.3°F (6.3°C). In December, the average high-temperature slightly decreases, from a cool 52.2°F (11.2°C) in November, to a chilly 43.3°F (6.3°C). Weather in December »
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FAQ

What is the coldest month in Sayreville?

January is the coldest month, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 25.7°F (-3.5°C).

How many days does it rain in Sayreville?

Throughout the year, in Sayreville, there are 154 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

When does it snow in Sayreville?

January through April, November and December are months with snowfall in Sayreville, New Jersey.

How much does it snow in Sayreville?

Throughout the year, there are 18.1 snowfall days, and 8.35" (212mm) of snow is accumulated.

What are the months with the lowest UV index in Sayreville?

Months with the lowest UV index in Sayreville, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month in Sayreville?

Months with the highest humidity are February, May, October and December, with an average relative humidity of 77%.

What is the month with the least sunshine in Sayreville?

With an average of 4.7h of sunshine, February has the least sunshine of the year.

When does it snow the most in Sayreville?

The month with the most snowfall in Sayreville is March when snow falls for 3.9 days and typically aggregates up to 3.82" (97mm) of snow.

What are the least humid months in Sayreville?

April and August, with an average relative humidity of 73%, are the least humid months.

When it does not snow in Sayreville?

May through October are months without snowfall.

When is the highest UV index in Sayreville?

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

When are the longest days in Sayreville?

June has the longest days of the year, with an average of 15h of daylight.

What is the warmest month in Sayreville?

The warmest month is July, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 68.7°F (20.4°C).

What is the wettest month in Sayreville?

July is the month with the most rainfall. Rain falls for 17.4 days and accumulates 3.58" (91mm) of precipitation.

What month has the most sunshine in Sayreville?

July has the most sunshine of the year, with an average of 10.5h of sunshine.

What is the driest month in Sayreville?

September is the month with the least rainfall in Sayreville. Rain falls for 13.5 days and accumulates 1.81" (46mm) of precipitation.

What is the month with the shortest days in Sayreville?

The month with the shortest days in Sayreville is December, with an average of 9.3h of daylight.

Average temperature
Sayreville, NJ

Average temperature - Sayreville, NJ

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36.9°F).

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure
Sayreville, NJ

Average pressure - Sayreville, NJ

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed
Sayreville, NJ

Average wind speed - Sayreville, NJ

The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity
Sayreville, NJ

Average humidity - Sayreville, NJ

Months with the highest relative humidity are February, May, October and December (77%).
Months with the lowest relative humidity are April and August (73%).

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Average rainfall
Sayreville, NJ

Average rainfall - Sayreville, NJ

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days
Sayreville, NJ

Average rainfall days - Sayreville, NJ

The month with the highest number of rainy days is July (17.4 days).
Months with the least rainy days are January and November (8.5 days).

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Average snowfall
Sayreville, NJ

Average snowfall - Sayreville, NJ

The month with the highest snowfall is March (3.82").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Sayreville, NJ

Average snowfall days - Sayreville, NJ

The month with the highest number of snowfall days is February (5.1 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Sayreville, NJ

Average daylight / Average sunshine - Sayreville, NJ

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days
Sayreville, NJ

Average sunshine days - Sayreville, NJ

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index
Sayreville, NJ

Average UV index - Sayreville, NJ

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

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Average visibility
Sayreville, NJ

Average visibility - Sayreville, NJ

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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