Arugam Bay
Sri Lanka
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Arugam Bay, Sri Lanka

May, the last month of the spring, in Arugam Bay, is also a hot month, with average temperature ranging between max 32°C (89.6°F) and min 25°C (77°F).

Temperature

April through July, with an average high-temperature of 32°C (89.6°F), are the warmest months.

Rainfall

In Arugam Bay, during 8 rainfall days, 68mm (2.7") of precipitation is typically accumulated. In Arugam Bay, during the entire year, the rain falls for 104 days and collects up to 1573mm (61.9") of precipitation.

Sea temperature

In Arugam Bay, the average seawater temperature in May is 29°C (84.2°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.

Daylight

In May, the average length of the day in Arugam Bay is 12.4h.

Sunshine

May through December, with an average of 6h of sunshine, are months with the least sunshine.

UV index

Months with the highest UV index in Arugam Bay are February through October, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
The daily maximum UV index of 12 in May interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the warmest month in Arugam Bay?

Warmest months in Arugam Bay are April through July, with an average high-temperature of 32°C (89.6°F).

What is the temperature in May in Arugam Bay?

In May, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 25°C (77°F).

How much does it rain in Arugam Bay in May?

In Arugam Bay, Sri Lanka, in May, it is raining for 8 days, with typically 68mm (2.7") of accumulated precipitation.

How warm is the water in May in Arugam Bay?

In Arugam Bay, in May, the average water temperature is 29°C (84.2°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.

What is the average length of the day in May in Arugam Bay?

In Arugam Bay, the average length of the day in May is 12.4h.

What is the month with the least sunshine in Arugam Bay?

May through December, with an average of 6h of sunshine, are months with the least sunshine in Arugam Bay.

How many hours of sunshine does Arugam Bay have in May?

In May, the average sunshine in Arugam Bay is 6h.

What is the month with the highest UV index in Arugam Bay?

February through October, with an average maximum UV index of 12, are months with the highest UV index.

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

In May, the average daily maximum UV index in Arugam Bay is 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays.
Average temperature in May - Arugam Bay, Sri Lanka
  • Average high temperature in May: 32°C

Warmest months (with the highest average high temperature) are April, May, June and July (32°C).
Months with the lowest average high temperature are January and December (29°C).

  • Average low temperature in May: 25°C

Months with the highest average low temperature are April, May, June, July and August (25°C).
Coldest months (with the lowest average low temperature) are January, February and December (23°C).

Average rainfall in May - Arugam Bay, Sri Lanka
  • Average rainfall in May: 68mm

The wettest month (with the highest rainfall) is December (311mm).
The driest month (with the lowest rainfall) is June (38mm).

Average rainfall days in May - Arugam Bay, Sri Lanka
  • Average rainfall days in May: 8 days

The month with the highest number of rainy days is November (15 days).
Months with the lowest number of rainy days are February and March (5 days).

Average sea temperature in May - Arugam Bay, Sri Lanka
  • Average sea temperature in May: 29°C

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

Average daylight in May / Average sunshine in May - Arugam Bay, Sri Lanka
  • Average daylight in May: 12.4h

Months with the longest days are June and July (Average daylight: 12.5h).
The month with shortest days is December (Average daylight: 11.7h).

  • Average sunshine in May: 6h

Months with most sunshine are February, March and April (Average sunshine: 8h).
Months with least sunshine are May, June, July, August, September, October, November and December (Average sunshine: 6).

Average UV index in May - Arugam Bay, Sri Lanka
  • Average UV index in May: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are January, November and December (UV index 11).