Monthly weather forecast and climate
Griggstown, NJ

Weather in January

January, the same as December, is a wintry winter month in Griggstown, New Jersey, with average temperature varying between 24.3°F (-4.3°C) and 36.9°F (2.7°C). January is the coldest month, with an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.3°F (-4.3°C). Weather in January »

Weather in February

February, the last month of the winter, in Griggstown, is also a wintry month, with average temperature varying between 39.9°F (4.4°C) and 26.1°F (-3.3°C). In Griggstown, the average high-temperature in February is practically the same as in January - a still cold 39.9°F (4.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Griggstown, New Jersey, with average temperature fluctuating between 33.3°F (0.7°C) and 48.6°F (9.2°C). In March, the average high-temperature marginally rises, from a wintry 39.9°F (4.4°C) in February, to a chilly 48.6°F (9.2°C). Weather in March »

Weather in April

April in Griggstown, New Jersey, is a mild spring month, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 43.3°F (6.3°C). In Griggstown, New Jersey, the average high-temperature increases, from a frosty 48.6°F (9.2°C) in March, to a moderate 60.4°F (15.8°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Griggstown, New Jersey, with temperature in the range of an average high of 70.5°F (21.4°C) and an average low of 53.2°F (11.8°C). In Griggstown, the average high-temperature in May increases, from a mild 60.4°F (15.8°C) in April, to a pleasant 70.5°F (21.4°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Griggstown, New Jersey, with average temperature ranging between max 78.4°F (25.8°C) and min 61°F (16.1°C). In June, the average high-temperature marginally rises, from a pleasant 70.5°F (21.4°C) in May, to a warm 78.4°F (25.8°C). Weather in June »

Weather in July

July, like June, in Griggstown, New Jersey, is another warm summer month, with average temperature varying between 84.7°F (29.3°C) and 66.9°F (19.4°C). With an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 66.9°F (19.4°C), July is the warmest month. In July, the average heat index is appraised at a hot 93.9°F (34.4°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Griggstown, New Jersey, with average temperature varying between 82.9°F (28.3°C) and 65.8°F (18.8°C). In August, the average high-temperature is relatively the same as in July - a still warm 82.9°F (28.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Griggstown, New Jersey, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 59°F (15°C). In September, the average high-temperature slightly decreases, from 82.9°F (28.3°C) in August, to a still moderately hot 75.7°F (24.3°C). Weather in September »

Weather in October

October, like September, in Griggstown, New Jersey, is another comfortable autumn month, with average temperature ranging between max 63.9°F (17.7°C) and min 49.1°F (9.5°C). In October, the average high-temperature decreases, from a moderately hot 75.7°F (24.3°C) in September, to an enjoyable 63.9°F (17.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Griggstown, New Jersey, with average temperature ranging between min 37.8°F (3.2°C) and max 51.8°F (11°C). In November, the average high-temperature drops, from an enjoyable 63.9°F (17.7°C) in October, to a cool 51.8°F (11°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Griggstown, New Jersey, with average temperature ranging between max 43°F (6.1°C) and min 31.1°F (-0.5°C). In Griggstown, New Jersey, the average high-temperature in December slightly decreases, from a cool 51.8°F (11°C) in November, to a frosty 43°F (6.1°C). Weather in December »
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FAQ

What is the coldest month in Griggstown?

With an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 24.3°F (-4.3°C), January is the coldest month in Griggstown, New Jersey.

How many days does it rain in Griggstown?

In Griggstown, New Jersey, during the entire year, the rain falls for 119.3 days and collects up to 12.72" (323mm) of precipitation.

When does it snow in Griggstown?

January through May, November and December are months with snowfall in Griggstown.

How much does it snow in Griggstown?

In Griggstown, during the entire year, snow falls for 16.4 days, and aggregates up to 4.41" (112mm) of snow.

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

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

What is the month with the least sunshine in Griggstown?

February has the least sunshine of the year, with an average of 4.8h of sunshine.

When does it snow the most in Griggstown?

March is the month with the most snowfall in Griggstown, New Jersey. Snow falls for 3.7 days and accumulates 1.42" (36mm) of snow.

What is the least humid month in Griggstown?

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

When it does not snow in Griggstown?

June through October are months without snowfall in Griggstown.

When are the longest days in Griggstown?

The month with the longest days in Griggstown, New Jersey, is June, with an average of 15h of daylight.

When is the highest UV index in Griggstown?

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

What is the warmest month in Griggstown?

The warmest month is July, with an average high-temperature of 84.7°F (29.3°C) and an average low-temperature of 66.9°F (19.4°C).

What is the rainiest month in Griggstown?

July is the month with the most rainfall. Rain falls for 13.9 days and accumulates 1.69" (43mm) of precipitation.

What month has the most sunshine in Griggstown?

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

What is the driest month in Griggstown?

September is the month with the least rainfall in Griggstown. Rain falls for 10 days and accumulates 0.67" (17mm) of precipitation.

What is the most humid month in Griggstown?

The most humid month in Griggstown, New Jersey, is October, with an average relative humidity of 79%.

What is the month with the shortest days in Griggstown?

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

Average temperature
Griggstown, NJ

Average temperature - Griggstown, NJ

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure
Griggstown, NJ

Average pressure - Griggstown, 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
Griggstown, NJ

Average wind speed - Griggstown, NJ

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average rainfall
Griggstown, NJ

Average rainfall - Griggstown, NJ

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days
Griggstown, NJ

Average rainfall days - Griggstown, NJ

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).

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Average snowfall
Griggstown, NJ

Average snowfall - Griggstown, NJ

The month with the highest snowfall is March (1.42").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Griggstown, NJ

Average snowfall days - Griggstown, NJ

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

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Average daylight / Average sunshine
Griggstown, NJ

Average daylight / Average sunshine - Griggstown, 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: 4.8h).

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Average sunshine days
Griggstown, NJ

Average sunshine days - Griggstown, NJ

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index
Griggstown, NJ

Average UV index - Griggstown, NJ

Months with the highest UV index are 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
Griggstown, NJ

Average visibility - Griggstown, NJ

Months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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