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

Monthly weather forecast and climate
Robertsville, NJ

January, the same as December, is another cold winter month in Robertsville, New Jersey, with average temperature ranging between max 37°F (2.8°C) and min 26.4°F (-3.1°C). January is the coldest month, with an average high-temperature of 37°F (2.8°C) and an average low-temperature of 26.4°F (-3.1°C). Weather in January »

February, the last month of the winter, in Robertsville, is another cold month, with average temperature fluctuating between 40.1°F (4.5°C) and 28.2°F (-2.1°C). In Robertsville, the average high-temperature is relatively the same as in January - a still wintry 40.1°F (4.5°C). Weather in February »

March, the first month of the spring, in Robertsville, is a frosty month, with average temperature ranging between max 46.9°F (8.3°C) and min 35.2°F (1.8°C). In March, the average high-temperature slightly increases, from a wintry 40.1°F (4.5°C) in February, to a frosty 46.9°F (8.3°C). Weather in March »

April is a mild spring month in Robertsville, New Jersey, with temperature in the range of an average low of 44.4°F (6.9°C) and an average high of 58.1°F (14.5°C). In April, the average high-temperature increases, from a frosty 46.9°F (8.3°C) in March, to a mild 58.1°F (14.5°C). Weather in April »

May, the last month of the spring, in Robertsville, is a comfortable month, with average temperature ranging between max 67.6°F (19.8°C) and min 54.1°F (12.3°C). In May, the average high-temperature increases, from a moderate 58.1°F (14.5°C) in April, to a comfortable 67.6°F (19.8°C). Weather in May »

The first month of the summer, June, is a moderately hot month in Robertsville, New Jersey, with average temperature ranging between min 62.4°F (16.9°C) and max 76.6°F (24.8°C). In Robertsville, New Jersey, the average high-temperature rises, from a comfortable 67.6°F (19.8°C) in May, to a moderately hot 76.6°F (24.8°C). Weather in June »

July, the same as June, is another warm summer month in Robertsville, New Jersey, with average temperature varying between 69.1°F (20.6°C) and 82.8°F (28.2°C). July is the warmest month, with an average high-temperature of 82.8°F (28.2°C) and an average low-temperature of 69.1°F (20.6°C). In July, the average heat index is estimated at a tropical 89.6°F (32°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Robertsville, New Jersey, with average temperature fluctuating between 81.1°F (27.3°C) and 68.4°F (20.2°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 81.1°F (27.3°C). Weather in August »

September, the first month of the autumn, in Robertsville, is still a warm month, with average temperature varying between 62.2°F (16.8°C) and 74.7°F (23.7°C). In Robertsville, the average high-temperature slightly decreases, from a moderately hot 81.1°F (27.3°C) in August, to a still warm 74.7°F (23.7°C). Weather in September »

October, the same as September, is another comfortable autumn month in Robertsville, New Jersey, with average temperature fluctuating between 51.8°F (11°C) and 63.5°F (17.5°C). In Robertsville, the average high-temperature in October drops, from a warm 74.7°F (23.7°C) in September, to an enjoyable 63.5°F (17.5°C). Weather in October »

November, the last month of the autumn, in Robertsville, is another cool month, with average temperature ranging between max 52.2°F (11.2°C) and min 41°F (5°C). In Robertsville, New Jersey, the average high-temperature drops, from an enjoyable 63.5°F (17.5°C) in October, to a cool 52.2°F (11.2°C). Weather in November »

The first month of the winter, December, is also a frosty month in Robertsville, New Jersey, with average temperature ranging between max 43.7°F (6.5°C) and min 34.2°F (1.2°C). In Robertsville, the average high-temperature slightly decreases, from a cool 52.2°F (11.2°C) in November, to a chilly 43.7°F (6.5°C). Weather in December »

What is the coldest month in Robertsville?

January is the coldest month, with an average high-temperature of 37°F (2.8°C) and an average low-temperature of 26.4°F (-3.1°C).

What is the least humid month in Robertsville?

Months with the lowest humidity in Robertsville are January, March, April, August and November, with an average relative humidity of 74%.

How many days does it rain in Robertsville?

Throughout the year, in Robertsville, there are 159.5 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

When does it snow in Robertsville?

Months with snowfall in Robertsville, New Jersey, are January through April, October through December.

How much does it snow in Robertsville?

In Robertsville, New Jersey, during the entire year, snow falls for 19.1 days, and aggregates up to 7.64" (194mm) of snow.

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

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 Robertsville?

February has the least sunshine of the year in Robertsville, with an average of 4.9h of sunshine.

What is the snowiest month in Robertsville?

March is the month with the most snowfall. Snow falls for 3.8 days and accumulates 2.4" (61mm) of snow.

What is the most humid month in Robertsville?

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

When it does not snow in Robertsville?

May through September are months without snowfall in Robertsville, New Jersey.

When are the longest days in Robertsville?

June has the longest days of the year in Robertsville, New Jersey, with an average of 15h of daylight.

What is the month with the highest UV index in Robertsville?

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

What is the warmest month in Robertsville?

The warmest month is July, with an average high-temperature of 82.8°F (28.2°C) and an average low-temperature of 69.1°F (20.6°C).

What month has the most sunshine in Robertsville?

July has the most sunshine of the year in Robertsville, New Jersey, with an average of 10.7h of sunshine.

What is the driest month in Robertsville?

September is the month with the least rainfall. Rain falls for 13.2 days and accumulates 1.69" (43mm) of precipitation.

What is the wettest month in Robertsville?

December is the month with the most rainfall in Robertsville, New Jersey. Rain falls for 12.1 days and accumulates 3.35" (85mm) of precipitation.

What is the month with the shortest days in Robertsville?

December has the shortest days of the year in Robertsville, New Jersey, with an average of 9.3h of daylight.
Average temperature - Robertsville, NJ
Average humidity - Robertsville, NJ

Months with the highest relative humidity are May and June (78%).
Months with the lowest relative humidity are January, March, April, August and November (74%).

Average rainfall - Robertsville, NJ

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days - Robertsville, NJ

The month with the highest number of rainy days is July (16.4 days).
Months with the least rainy days are January and November (9.8 days).

Average snowfall - Robertsville, NJ
Average snowfall days - Robertsville, NJ

The month with the highest number of snowfall days is January (5.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine - Robertsville, 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: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average UV index - Robertsville, NJ