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

Monthly weather forecast and climate
Somerville, NJ

January, like December, in Somerville, New Jersey, is another cold winter month, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 23.2°F (-4.9°C). The coldest month is January, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 23.2°F (-4.9°C). Weather in January »

February, the last month of the winter, in Somerville, is also a wintry month, with average temperature fluctuating between 39.2°F (4°C) and 24.8°F (-4°C). In February, the average high-temperature is almost the same as in January - a still wintry 39.2°F (4°C). Weather in February »

The first month of the spring, March, is a frosty month in Somerville, New Jersey, with average temperature varying between 47.7°F (8.7°C) and 32.4°F (0.2°C). In March, the average high-temperature slightly increases, from a wintry 39.2°F (4°C) in February, to a frosty 47.7°F (8.7°C). Weather in March »

April is a mild spring month in Somerville, New Jersey, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 42.3°F (5.7°C). In April, the average high-temperature increases, from a frosty 47.7°F (8.7°C) in March, to a moderate 59.5°F (15.3°C). Weather in April »

The last month of the spring, May, is an agreeable month in Somerville, New Jersey, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 52.2°F (11.2°C). In Somerville, New Jersey, the average high-temperature in May rises, from a moderate 59.5°F (15.3°C) in April, to a pleasant 70.2°F (21.2°C). Weather in May »

June, the first month of the summer, in Somerville, is a warm month, with temperature in the range of an average high of 78.3°F (25.7°C) and an average low of 59.7°F (15.4°C). In June, the average high-temperature slightly increases, from an agreeable 70.2°F (21.2°C) in May, to a warm 78.3°F (25.7°C). Weather in June »

July, the same as June, is another warm summer month in Somerville, New Jersey, with average temperature fluctuating between 84.2°F (29°C) and 66°F (18.9°C). With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 66°F (18.9°C), July is the warmest month. In July, the average heat index is estimated at a hot 92.7°F (33.7°C). Weather in July »

August, the last month of the summer, in Somerville, is another warm month, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 64.6°F (18.1°C). In August, the average high-temperature is practically 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 Somerville, New Jersey, with average temperature fluctuating between 58.1°F (14.5°C) and 75.2°F (24°C). In Somerville, the average high-temperature in September marginally drops, from 82.4°F (28°C) in August, to a still moderately hot 75.2°F (24°C). Weather in September »

October, the same as September, is another comfortable autumn month in Somerville, New Jersey, with average temperature ranging between max 63.5°F (17.5°C) and min 48°F (8.9°C). In Somerville, the average high-temperature in October decreases, from a moderately hot 75.2°F (24°C) in September, to a comfortable 63.5°F (17.5°C). Weather in October »

November, the last month of the autumn, in Somerville, is another cool month, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 37.2°F (2.9°C). In November, the average high-temperature decreases, from an enjoyable 63.5°F (17.5°C) in October, to a cool 50.9°F (10.5°C). Weather in November »

December, the first month of the winter, in Somerville, is also a wintry month, with average temperature varying between 42.3°F (5.7°C) and 30.6°F (-0.8°C). In December, the average high-temperature slightly decreases, from a fresh 50.9°F (10.5°C) in November, to a cold 42.3°F (5.7°C). Weather in December »

What is the coldest month in Somerville?

January is the coldest month in Somerville, New Jersey, with an average high-temperature of 35.6°F (2°C) and an average low-temperature of 23.2°F (-4.9°C).

How many days does it rain in Somerville?

In Somerville, during the entire year, the rain falls for 157.9 days and collects up to 28.19" (716mm) of precipitation.

When does it snow in Somerville?

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

How many days does it snow in Somerville?

In Somerville, New Jersey, during the entire year, snow falls for 23.8 days, and aggregates up to 9.53" (242mm) of snow.

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

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

What is the most humid month in Somerville?

February, October and December, with an average relative humidity of 79%, are most humid months in Somerville, New Jersey.

What is the month with the least sunshine in Somerville?

February has the least sunshine of the year in Somerville, with an average of 4.6h of sunshine.

When does it snow the most in Somerville?

March is the month with the most snowfall in Somerville. Snow falls for 4.9 days and accumulates 2.83" (72mm) of snow.

What is the least humid month in Somerville?

April is the least humid month, with an average relative humidity of 74%.

When it does not snow in Somerville?

June through September are months without snowfall in Somerville.

When are the longest days in Somerville?

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

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

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

What is the warmest month in Somerville?

With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 66°F (18.9°C), July is the warmest month in Somerville, New Jersey.

What month has the most sunshine in Somerville?

With an average of 10.4h of sunshine, July has the most sunshine of the year in Somerville, New Jersey.

What is the driest month in Somerville?

September is the month with the least rainfall in Somerville, New Jersey. Rain falls for 12.3 days and accumulates 1.54" (39mm) of precipitation.

What is the wettest month in Somerville?

December is the month with the most rainfall in Somerville, New Jersey. Rain falls for 10.9 days and accumulates 2.91" (74mm) of precipitation.

What is the month with the shortest days in Somerville?

With an average of 9.3h of daylight, December has the shortest days of the year.
Average humidity - Somerville, NJ
Average rainfall - Somerville, NJ
Average rainfall days - Somerville, NJ
Average snowfall - Somerville, NJ
Average snowfall days - Somerville, NJ

The month with the highest number of snowfall days is January (6.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Somerville, 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: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average UV index - Somerville, NJ