July weather forecast
Arugam Bay, Sri Lanka

Weather in July

July, the same as June, in Arugam Bay, Sri Lanka, is another hot summer month, with temperature in the range of an average low of 26.1°C (79°F) and an average high of 32.6°C (90.7°F).

Temperature

In July, the average high-temperature is almost the same as in June - a still tropical 32.6°C (90.7°F). The average low-temperature, in July, is 26.1°C (79°F).

Heat index

The average heat index in July is calculated to be a scorching 41.4°C (106.5°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, differences in body mass, height, and shape, metabolic differences). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The months with the lowest humidity in Arugam Bay are June and July, with an average relative humidity of 68%.

Rainfall

In July, in Arugam Bay, Sri Lanka, the rain falls for 17.1 days. Throughout July, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 237.8 rainfall days, and 1259mm (49.57") of precipitation is accumulated.

Sea temperature

The months with the coldest seawater are January, February, July through September and December, with an average sea temperature of 28°C (82.4°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In July, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 05:51 and sunset at 18:21. On the last day of July, in Arugam Bay, sunrise is at 05:56 and sunset at 18:21 +0530.

Sunshine

In Arugam Bay, the average sunshine in July is 11.7h.

UV index

The months with the highest UV index are January through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 7 in July transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in July in Arugam Bay?

In July, in Arugam Bay, Sri Lanka, the average high-temperature is 32.6°C (90.7°F), and the average low-temperature is 26.1°C (79°F). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 41.4°C (106.5°F).

What are the least humid months in Arugam Bay?

The months with the lowest humidity in Arugam Bay, Sri Lanka, are June and July, with an average relative humidity of 68%.

What is the average humidity in July in Arugam Bay?

The average relative humidity in July in Arugam Bay is 68%.

How much does it rain in Arugam Bay in July?

In Arugam Bay, in July, during 17.1 rainfall days, 41mm (1.61") of precipitation is typically accumulated.

When is the sea coldest in Arugam Bay?

January, February, July through September and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater.

What is the sea water temperature in July in Arugam Bay?

In Arugam Bay, Sri Lanka, in July, the average water temperature is 28°C (82.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Arugam Bay have in July?

In July, the average day length is 12h and 28min.

When are sunrise and sunset in July in Arugam Bay?

In July, on the first day of the month, sunrise is at 05:51 and sunset at 18:21. On the last day of the month, in Arugam Bay, Sri Lanka, sunrise is at 05:56 and sunset at 18:21 +0530.

How long on average sun shines in July in Arugam Bay?

The average sunshine duration in July in Arugam Bay is 11.7h.

What are the months with the highest UV index in Arugam Bay?

January through October, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in July in Arugam Bay?

In Arugam Bay, Sri Lanka, the average daily maximum UV index in July is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in July
Arugam Bay, Sri Lanka

Average temperature in July - Arugam Bay, Sri Lanka
  • Average high temperature in July: 32.6°C

The warmest month (with the highest average high temperature) is June (33°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in July: 26.1°C

The month with the highest average low temperature is May (26.6°C).
The coldest month (with the lowest average low temperature) is January (24°C).

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Average pressure in July
Arugam Bay, Sri Lanka

Average pressure in July - Arugam Bay, Sri Lanka
  • Average pressure in July: 1007.5mbar

The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1007.3mbar).

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Average wind speed in July
Arugam Bay, Sri Lanka

Average wind speed in July - Arugam Bay, Sri Lanka
  • Average wind speed in July: 10.9km/h

The windiest month (with the highest average wind speed) is January (13.9km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).

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Average humidity in July
Arugam Bay, Sri Lanka

Average humidity in July - Arugam Bay, Sri Lanka
  • Average humidity in July: 68%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are June and July (68%).

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Average rainfall in July
Arugam Bay, Sri Lanka

Average rainfall in July - Arugam Bay, Sri Lanka
  • Average rainfall in July: 41mm

The wettest month (with the highest rainfall) is December (272mm).
The driest month (with the least rainfall) is June (30mm).

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Average rainfall days in July
Arugam Bay, Sri Lanka

Average rainfall days in July - Arugam Bay, Sri Lanka
  • Average rainfall days in July: 17.1 days

The months with the highest number of rainy days are October and November (25.5 days).
The month with the least rainy days is March (12.8 days).

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Average sea temperature in July
Arugam Bay, Sri Lanka

Average sea temperature in July - Arugam Bay, Sri Lanka
  • Average sea temperature in July: 28°C

The best month for swimming (with the highest average sea temperature) is April (30°C).
The coldest months (with the lowest average sea temperature) are January, February, July, August, September and December (28°C).

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Average daylight in July /
Average sunshine in July
Arugam Bay, Sri Lanka

Average daylight in July / Average sunshine in July - Arugam Bay, Sri Lanka
  • Average daylight in July: 12h and 28min

The month with the longest days is June (Average daylight: 12h and 31min).
The month with the shortest days is December (Average daylight: 11h and 44min).

  • Average sunshine in July: 11.7h

The month with the most sunshine is June (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 5.4h).

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Average sunshine days in July
Arugam Bay, Sri Lanka

Average sunshine days in July - Arugam Bay, Sri Lanka
  • Average sunshine days in July: 11.2 days

The month with the most sunshine days is March (15.5 days).
The month with the least sunshine days is November (3.2 days).

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Average UV index in July
Arugam Bay, Sri Lanka

Average UV index in July - Arugam Bay, Sri Lanka
  • Average UV index in July: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are November and December (UV index 6).

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Average cloud cover in July
Arugam Bay, Sri Lanka

Average cloud cover in July - Arugam Bay, Sri Lanka
  • Average cloud cover in July: 25

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 22).

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Average visibility in July
Arugam Bay, Sri Lanka

Average visibility in July - Arugam Bay, Sri Lanka
  • Average visibility in July: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).

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