July weather forecast
Somerville, NJ

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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).

Temperature

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).

Heat index

The heat index value during July is estimated at a hot 93.2°F (34°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In Somerville, the average relative humidity in July is 75%.

Rainfall

In Somerville, during July, the rain falls for 16.8 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in Somerville, there are 157.9 rainfall days, and 28.19" (716mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Somerville.

Daylight

The average length of the day in July is 14h and 44min.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:33 pm. On the last day of July, in Somerville, New Jersey, sunrise is at 5:55 am and sunset at 8:14 pm EDT.

Sunshine

With an average of 10.4h of sunshine, July has the most sunshine of the year.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Somerville. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 6 in July transforms into this advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What time of the year is the hottest in Somerville?

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

Is it hot in Somerville during July?

In July, the average high-temperature and low-temperature in Somerville, New Jersey, are 84.2°F (29°C) and 66°F (18.9°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 93.2°F (34°C).

What is the average humidity in July in Somerville?

The average relative humidity in July is 75%.

How much does it rain in Somerville in July?

In Somerville, New Jersey, in July, it is raining for 16.8 days, with typically 2.87" (73mm) of accumulated precipitation.

When it does not snow in Somerville?

June through September are months without snowfall.

How many hours of daylight does Somerville have in July?

The average day length in July in Somerville, New Jersey, is 14h and 44min.

When are sunrise and sunset in July in Somerville?

In July, on the first day of the month, sunrise is at 5:31 am and sunset at 8:33 pm. On the last day of the month, in Somerville, New Jersey, sunrise is at 5:55 am and sunset at 8:14 pm EDT.

What month has the most sunshine in Somerville?

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

How long on average sun shines in July in Somerville?

The average sunshine duration in July is 10.4h.

When is the highest UV index in Somerville?

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

What is the UV index intensity in July in Somerville?

The average daily maximum UV index in July in Somerville, New Jersey, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Somerville, NJ

Average temperature in July - Somerville, NJ
  • Average high temperature in July: 84.2°F

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).

  • Average low temperature in July: 66°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 in July
Somerville, NJ

Average pressure in July - Somerville, NJ
  • Average pressure in July: 29.96"Hg

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 in July
Somerville, NJ

Average wind speed in July - Somerville, NJ
  • Average wind speed in July: 5.4mph

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 in July
Somerville, NJ

Average humidity in July - Somerville, NJ
  • Average humidity in July: 75%

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 in July
Somerville, NJ

Average rainfall in July - Somerville, NJ
  • Average rainfall in July: 2.87"

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 in July
Somerville, NJ

Average rainfall days in July - Somerville, NJ
  • Average rainfall days in July: 16.8 days

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 in July
Somerville, NJ

Average snowfall in July - Somerville, NJ
  • Average snowfall in July: 0"

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 in July
Somerville, NJ

Average snowfall days in July - Somerville, NJ
  • Average snowfall days in July: 0 days

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 in July /
Average sunshine in July
Somerville, NJ

Average daylight in July / Average sunshine in July - Somerville, NJ
  • Average daylight in July: 14h and 4min

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).

  • Average sunshine in July: 10h and 2min

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 in July
Somerville, NJ

Average sunshine days in July - Somerville, NJ
  • Average sunshine days in July: 12.4 days

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 in July
Somerville, NJ

Average UV index in July - Somerville, NJ
  • Average UV index in July: 6

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 cloud cover in July
Somerville, NJ

Average cloud cover in July - Somerville, NJ
  • Average cloud cover in July: 34

The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in July
Somerville, NJ

Average visibility in July - Somerville, NJ
  • Average visibility in July: 6mi

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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