July weather forecast
Swansea, MA

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Weather in July

July is a warm summer month in Swansea, Massachusetts, with an average temperature ranging between min 65.5°F (18.6°C) and max 79.3°F (26.3°C).

Temperature

July is the warmest month, with the temperature often reaching an average high of 79.3°F (26.3°C) and an average low of 65.5°F (18.6°C).

Humidity

In Swansea, the average relative humidity in July is 79%.

Rainfall

In Swansea, Massachusetts, in July, during 15 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Swansea, Massachusetts, there are 135.4 rainfall days, and 18.31" (465mm) of precipitation is accumulated.

Snowfall

In Swansea, snow does not fall in June through October.

Daylight

In Swansea, the average length of the day in July is 14h and 51min.
On the first day of July in Swansea, Massachusetts, sunrise is at 5:14 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:03 pm EDT.

Sunshine

In Swansea, the average sunshine in July is 10.4h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What is the hottest time of year in Swansea?

July is the month when Swansea's temperatures reach their peak, with averages of 79.3°F (26.3°C) and lows of 65.5°F (18.6°C).

What is the usual temperature for Swansea in July?

In Swansea, 79.3°F (26.3°C) is the average high-temperature and 65.5°F (18.6°C) is the average low-temperature during July.

What is the average humidity in July in Swansea?

In July, the average relative humidity in Swansea is 79%.

How much does it rain in Swansea in July?

In Swansea, Massachusetts, in July, during 15 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow in Swansea?

June through October are months without snowfall in Swansea.

How many hours of daylight does Swansea have in July?

The average day length in July is 14h and 51min.

When is the sunrise / sunset in July in Swansea?

On the first day of July, sunrise is at 5:14 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:03 pm EDT.

How many hours of sunshine does Swansea have in July?

In Swansea, Massachusetts, the average sunshine duration in July is 10.4h.

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

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

What is the UV index reading in July in Swansea?

The average daily maximum UV index in July in Swansea, Massachusetts, is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
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
Swansea, MA

Average temperature in July - Swansea, MA
  • Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in July: 65.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in July
Swansea, MA

Average pressure in July - Swansea, MA
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in July
Swansea, MA

Average wind speed in July - Swansea, MA
  • Average wind speed in July: 7.5mph

The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in July
Swansea, MA

Average humidity in July - Swansea, MA
  • Average humidity in July: 79%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in July
Swansea, MA

Average rainfall in July - Swansea, MA
  • Average rainfall in July: 1.61"

The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").

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Average rainfall days in July
Swansea, MA

Average rainfall days in July - Swansea, MA
  • Average rainfall days in July: 15 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in July
Swansea, MA

Average snowfall in July - Swansea, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Swansea, MA

Average snowfall days in July - Swansea, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Swansea, MA

Average daylight in July / Average sunshine in July - Swansea, MA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in July
Swansea, MA

Average sunshine days in July - Swansea, MA
  • Average sunshine days in July: 13.8 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).

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Average UV index in July
Swansea, MA

Average UV index in July - Swansea, MA
  • 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 and December (UV index 2).

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Average cloud cover in July
Swansea, MA

Average cloud cover in July - Swansea, MA
  • Average cloud cover in July: 32

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in July
Swansea, MA

Average visibility in July - Swansea, MA
  • Average visibility in July: 6mi

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

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Swansea, Massachusetts, USA

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