July weather forecast
Southampton, MA

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Weather in July

July, the same as June, is a moderately hot summer month in Southampton, Massachusetts, with an average temperature fluctuating between 61.3°F (16.3°C) and 81.7°F (27.6°C).

Temperature

Southampton reaches its highest average temperatures in July, measuring 81.7°F (27.6°C) at the peak and 61.3°F (16.3°C) at the lowest.

Heat index

The heat index for July is appraised at a hot 87.8°F (31°C). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Southampton, the average relative humidity in July is 76%.

Rainfall

In Southampton, in July, during 17.6 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 169.1 rainfall days, and 32.56" (827mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Southampton.

Daylight

In July, the average length of the day is 14h and 54min.
On the first day of the month, sunrise is at 5:18 am and sunset at 8:31 pm. On the last day of July, sunrise is at 5:43 am and sunset at 8:11 pm EDT.

Sunshine

The months with the most sunshine are July and August, with an average of 10.2h of sunshine.

UV index

In Southampton, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In July, an average UV index of 5 transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jun 4, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What month is the hottest?

July is the warmest month, with an average high-temperature of 81.7°F (27.6°C) and an average low-temperature of 61.3°F (16.3°C).

What is the average July temperature in Southampton?

The high-temperature during July is 81.7°F (27.6°C) and the low-temperature is 61.3°F (16.3°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in July?

In July, the average relative humidity is 76%.

How many days does it rain in July?

In Southampton, in July, it is raining for 17.6 days, with typically 2.95" (75mm) of accumulated precipitation.

When it does not snow?

In Southampton, snow does not fall in June through September.

What is the average length of the day in July?

In July, the average day length is 14h and 54min.

What time are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:18 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:11 pm EDT.

What are the months with the most sunshine?

July and August, with an average of 10.2h of sunshine, are months with the most sunshine.

How long on average sun shines in July?

In Southampton, the average sunshine duration in July is 10.2h.

What is the UV index reading in July?

In Southampton, the average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Southampton, MA

Average temperature in July - Southampton, MA
  • Average high temperature in July: 81.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in July: 61.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in July
Southampton, MA

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

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Southampton, MA

Average wind speed in July - Southampton, MA
  • Average wind speed in July: 5.2mph

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in July
Southampton, MA

Average humidity in July - Southampton, MA
  • Average humidity in July: 76%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).

Average rainfall in July
Southampton, MA

Average rainfall in July - Southampton, MA
  • Average rainfall in July: 2.95"

The wettest months (with the highest rainfall) are October and December (3.27").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in July
Southampton, MA

Average rainfall days in July - Southampton, MA
  • Average rainfall days in July: 17.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in July
Southampton, MA

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

The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Southampton, MA

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

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Southampton, 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in July
Southampton, MA

Average sunshine days in July - Southampton, MA
  • Average sunshine days in July: 10.9 days

The month with the most sunshine days is January (16.2 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in July
Southampton, MA

Average UV index in July - Southampton, MA
  • Average UV index in July: 5

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

Average cloud cover in July
Southampton, MA

Average cloud cover in July - Southampton, MA
  • Average cloud cover in July: 36

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in July
Southampton, MA

Average visibility in July - Southampton, MA
  • Average visibility in July: 5mi

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

Southampton, Massachusetts, USA

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