Climate and monthly weather forecast
Somerville, NJ

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Weather in January

January, like December, in Somerville, New Jersey, is an icy winter month, with an average temperature fluctuating between 23.2°F (-4.9°C) and 35.6°F (2°C). January proves to be the coldest month, recording an average maximum temperature of 35.6°F (2°C) and a minimum temperature of 23.2°F (-4.9°C). Weather in January »

Weather in February

February, the last month of the winter in Somerville, is also an icy month, with an average temperature ranging between min 24.8°F (-4°C) and max 39.2°F (4°C). During February, Somerville observes a subtle ascent to a still cold 39.2°F (4°C) from January's 35.6°F (2°C) in the average high-temperature. Weather in February »

Weather in March

March, the first month of the spring in Somerville, is a frosty month, with an average temperature fluctuating between 47.7°F (8.7°C) and 32.4°F (0.2°C). March's onset witnesses a minor shift in the average high-temperature, moving from a wintry 39.2°F (4°C) in February to a chilly 47.7°F (8.7°C). Weather in March »

Weather in April

April is a moderate spring month in Somerville, New Jersey, with an average temperature ranging between min 42.3°F (5.7°C) and max 59.5°F (15.3°C). April's onset brings a temperature rise, moving from a frosty 47.7°F (8.7°C) in March to a mild 59.5°F (15.3°C). Weather in April »

Weather in May

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

Weather in June

June, the first month of the summer in Somerville, is a warm month, with an average temperature varying between 78.3°F (25.7°C) and 59.7°F (15.4°C). June brings a slight increase in the average high-temperature, progressing from an agreeable 70.2°F (21.2°C) in May to a moderately hot 78.3°F (25.7°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Somerville, New Jersey, with an average temperature varying between 84.2°F (29°C) and 66°F (18.9°C). July is the warmest month, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 66°F (18.9°C). The heat index value during July is estimated at a hot 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Somerville, New Jersey, with an average temperature fluctuating between 82.4°F (28°C) and 64.6°F (18.1°C). The transition into August marks the average high-temperature at a still warm 82.4°F (28°C), differing minimally from July's 84.2°F (29°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Somerville, New Jersey, with an average temperature fluctuating between 75.2°F (24°C) and 58.1°F (14.5°C). The onset of September is marked by a minor decrease in temperature, transitioning from 82.4°F (28°C) in August to a still warm 75.2°F (24°C). Weather in September »

Weather in October

October, like September, in Somerville, New Jersey, is another enjoyable autumn month, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 63.5°F (17.5°C). The shift from September to October corresponds with a decrease in the average high-temperature, down to a refreshing 63.5°F (17.5°C) from a warm 75.2°F (24°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Somerville, New Jersey, 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). A subtle decrease in the average high-temperature marks November, falling from October's comfortable 63.5°F (17.5°C) to a fresh 50.9°F (10.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Somerville, New Jersey, with an average temperature varying between 30.6°F (-0.8°C) and 42.3°F (5.7°C). Somerville's transition into December involves a gentle shift in temperature, receding from a fresh 50.9°F (10.5°C) in November to a cold 42.3°F (5.7°C). Weather in December »
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Frequently asked questions

What is the coldest month in Somerville?

In Somerville, January records the average lowest temperatures, peaking at 35.6°F (2°C) and reaching a low of 23.2°F (-4.9°C).

How much does it rain in Somerville?

Throughout the year, in Somerville, there are 157.9 rainfall days, and 28.19" (716mm) of precipitation is accumulated.

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

When is the lowest UV index in Somerville?

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

What are the most humid months in Somerville?

The months with the highest humidity in Somerville are February, October and December, with an average relative humidity of 79%.

What is the month with the least sunshine in Somerville?

With an average of 4.6h of sunshine, February has the least sunshine of the year in Somerville, New Jersey.

What is the snowiest month in Somerville?

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

When is Daylight Saving Time (DST) in Somerville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Somerville, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month in Somerville?

With an average relative humidity of 74%, April is the least humid month in Somerville, New Jersey.

When it does not snow in Somerville?

In Somerville, New Jersey, snow does not fall in June through September.

When are the longest days in Somerville?

With an average of 15h and 0min of daylight, June has the longest days of the year.

When is the highest UV index in Somerville?

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

What time of the year is the hottest in Somerville?

The temperatures in Somerville reach their highest averages in July, with highs of 84.2°F (29°C) and lows of 66°F (18.9°C).

What month has the most sunshine in Somerville?

The month with the most sunshine in Somerville is July, with an average of 10.4h of sunshine.

What is the driest month in Somerville?

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

What is the rainiest month in Somerville?

The month with the most rainfall in Somerville, New Jersey, is December, when the rain falls for 10.9 days and typically aggregates up to 2.91" (74mm) of precipitation.

What is the month with the shortest days in Somerville?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

Average temperature
Somerville, NJ

Average temperature - Somerville, NJ

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure
Somerville, NJ

Average pressure - Somerville, NJ

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

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Average wind speed
Somerville, NJ

Average wind speed - Somerville, NJ

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity
Somerville, NJ

Average humidity - Somerville, NJ

The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (74%).

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Average rainfall
Somerville, NJ

Average rainfall - Somerville, NJ

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days
Somerville, NJ

Average rainfall days - Somerville, NJ

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (9 days).

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Average snowfall
Somerville, NJ

Average snowfall - Somerville, NJ

The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Somerville, NJ

Average snowfall days - Somerville, NJ

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

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Average daylight / Average sunshine
Somerville, NJ

Average daylight / Average sunshine - Somerville, NJ

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days
Somerville, NJ

Average sunshine days - Somerville, NJ

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (11.7 days).

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Average UV index
Somerville, NJ

Average UV index - Somerville, NJ

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

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Average visibility
Somerville, NJ

Average visibility - Somerville, NJ

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

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Somerville, New Jersey, USA

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