Jamesburg
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Jamesburg, NJ

January, the same as December, is a wintry winter month in Jamesburg, New Jersey, with average temperature varying between 25°F (-3.9°C) and 37°F (2.8°C). With an average high-temperature of 37°F (2.8°C) and an average low-temperature of 25°F (-3.9°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Jamesburg, is also a wintry month, with average temperature ranging between max 39.9°F (4.4°C) and min 26.6°F (-3°C). In February, the average high-temperature is essentially the same as in January - a still cold 39.9°F (4.4°C). Weather in February »

March, the first month of the spring, in Jamesburg, is a frosty month, with average temperature varying between 47.8°F (8.8°C) and 34.2°F (1.2°C). In March, the average high-temperature slightly increases, from a wintry 39.9°F (4.4°C) in February, to a frosty 47.8°F (8.8°C). Weather in March »

April is a moderate spring month in Jamesburg, New Jersey, with average temperature ranging between min 43.9°F (6.6°C) and max 59.4°F (15.2°C). In April, the average high-temperature rises, from a frosty 47.8°F (8.8°C) in March, to a moderate 59.4°F (15.2°C). Weather in April »

May, the last month of the spring, in Jamesburg, is an agreeable month, with average temperature fluctuating between 54°F (12.2°C) and 69.4°F (20.8°C). In Jamesburg, the average high-temperature in May rises, from a mild 59.4°F (15.2°C) in April, to an agreeable 69.4°F (20.8°C). Weather in May »

June, the first month of the summer, in Jamesburg, is a moderately hot month, with average temperature varying between 77.9°F (25.5°C) and 61.5°F (16.4°C). In Jamesburg, the average high-temperature marginally rises, from an agreeable 69.4°F (20.8°C) in May, to a warm 77.9°F (25.5°C). Weather in June »

July, like June, in Jamesburg, New Jersey, is a moderately hot summer month, with average temperature ranging between max 84.2°F (29°C) and min 68°F (20°C). July is the warmest month, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 68°F (20°C). In July, the average heat index is calculated to a hot 92.3°F (33.5°C). Weather in July »

August, the last month of the summer, in Jamesburg, is another warm month, with temperature in the range of an average low of 67.3°F (19.6°C) and an average high of 82.4°F (28°C). In August, the average high-temperature is relatively the same as in July - a still warm 82.4°F (28°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Jamesburg, New Jersey, with average temperature varying between 75.7°F (24.3°C) and 60.6°F (15.9°C). In Jamesburg, the average high-temperature marginally drops, from 82.4°F (28°C) in August, to a still moderately hot 75.7°F (24.3°C). Weather in September »

October, like September, in Jamesburg, New Jersey, is another enjoyable autumn month, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 50.4°F (10.2°C). In October, the average high-temperature drops, from a warm 75.7°F (24.3°C) in September, to a comfortable 63.9°F (17.7°C). Weather in October »

November, the last month of the autumn, in Jamesburg, is also a fresh month, with average temperature varying between 38.8°F (3.8°C) and 52°F (11.1°C). In November, the average high-temperature drops, from an enjoyable 63.9°F (17.7°C) in October, to a fresh 52°F (11.1°C). Weather in November »

The first month of the winter, December, is also a frosty month in Jamesburg, New Jersey, with average temperature fluctuating between 32.7°F (0.4°C) and 43.2°F (6.2°C). In Jamesburg, the average high-temperature slightly decreases, from a cool 52°F (11.1°C) in November, to a chilly 43.2°F (6.2°C). Weather in December »

What is the coldest month in Jamesburg?

The coldest month is January, with an average high-temperature of 37°F (2.8°C) and an average low-temperature of 25°F (-3.9°C).

How much does it rain in Jamesburg?

In Jamesburg, New Jersey, during the entire year, the rain falls for 92.9 days and collects up to 7.32" (186mm) of precipitation.

When does it snow in Jamesburg?

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

How many days does it snow in Jamesburg?

In Jamesburg, New Jersey, during the entire year, snow falls for 12.7 days, and aggregates up to 1.5" (38mm) of snow.

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

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

What is the most humid month in Jamesburg?

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

What is the month with the least sunshine in Jamesburg?

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

What is the snowiest month in Jamesburg?

March is the month with the most snowfall in Jamesburg, New Jersey. Snow falls for 3 days and accumulates 0.51" (13mm) of snow.

What are the least humid months in Jamesburg?

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

When it does not snow in Jamesburg?

April through October are months without snowfall in Jamesburg.

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

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

When are the longest days in Jamesburg?

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

What is the warmest month in Jamesburg?

July is the warmest month in Jamesburg, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 68°F (20°C).

What is the rainiest month in Jamesburg?

The month with the most rainfall is July when the rain falls for 10.7 days and typically aggregates up to 0.94" (24mm) of precipitation.

What month has the most sunshine in Jamesburg?

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

What is the driest month in Jamesburg?

September is the month with the least rainfall in Jamesburg. Rain falls for 7.5 days and accumulates 0.28" (7mm) of precipitation.

What is the month with the shortest days in Jamesburg?

With an average of 9.3h of daylight, December has the shortest days of the year in Jamesburg.
Average humidity - Jamesburg, 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%).

Average rainfall - Jamesburg, NJ

The wettest month (with the highest rainfall) is July (0.94").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days - Jamesburg, NJ

The month with the highest number of rainy days is July (10.7 days).
Months with the least rainy days are January and November (4.8 days).

Average snowfall - Jamesburg, NJ

The month with the highest snowfall is March (0.51").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days - Jamesburg, NJ

The month with the highest number of snowfall days is February (3.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Jamesburg, 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).

Average UV index - Jamesburg, 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).