Hikkaduwa
Sri Lanka
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Hikkaduwa, Sri Lanka

The last month of the spring, May, is another hot month in Hikkaduwa, Sri Lanka, with average temperature ranging between min 25°C (77°F) and max 30°C (86°F).

Temperature

In Hikkaduwa, the average high-temperature in May is practically the same as in April - a still tropical 30°C (86°F). In Hikkaduwa, the average low-temperature is 25°C (77°F).

Rainfall

In Hikkaduwa, during May, the rain falls for 12 days and regularly aggregates up to 349mm (13.7") of precipitation. Throughout the year, in Hikkaduwa, there are 125 rainfall days, and 2669mm (105.1") of precipitation is accumulated.

Sea temperature

In Hikkaduwa, the average seawater temperature in May is 29.1°C (84.4°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

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

Sunshine

Months with the least sunshine in Hikkaduwa are May through October, with an average of 6h of sunshine.

UV index

January through October, with an average maximum UV index of 12, are months with the highest UV index in Hikkaduwa. A UV Index value of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 12 in May transform into the following instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in May in Hikkaduwa?

In May, in Hikkaduwa, Sri Lanka, the average high-temperature is 30°C (86°F), and the average low-temperature is 25°C (77°F).

How many days does it rain in May in Hikkaduwa?

In May, in Hikkaduwa, the rain falls for 12 days. Throughout May, 349mm (13.7") of precipitation is accumulated.

How warm is the water in May in Hikkaduwa?

In Hikkaduwa, Sri Lanka, in May, the average water temperature is 29.1°C (84.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in May in Hikkaduwa?

The average length of the day in May in Hikkaduwa is 12.4h.

What is the month with the least sunshine in Hikkaduwa?

Months with the least sunshine in Hikkaduwa are May through October, with an average of 6h of sunshine.

How long on average sun shines in May in Hikkaduwa?

In May, the average sunshine in Hikkaduwa, Sri Lanka, is 6h.

What are the months with the highest UV index in Hikkaduwa?

January 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 Hikkaduwa?

The average daily maximum UV index in May is 12. A UV Index value of 11, and more, symbolizes an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in May - Hikkaduwa, Sri Lanka
  • Average high temperature in May: 30°C

Warmest months (with the highest average high temperature) are March and April (31°C).
Months with the lowest average high temperature are July, August, September and October (29°C).

  • Average low temperature in May: 25°C

Months with the highest average low temperature are May and June (25°C).
Coldest months (with the lowest average low temperature) are January, February and December (22°C).

Average rainfall in May - Hikkaduwa, Sri Lanka
  • Average rainfall in May: 349mm

The wettest month (with the highest rainfall) is October (363mm).
The driest month (with the lowest rainfall) is January (89mm).

Average rainfall days in May - Hikkaduwa, Sri Lanka
  • Average rainfall days in May: 12 days

Months with the highest number of rainy days are October and November (14 days).
Months with the lowest number of rainy days are January and February (5 days).

Average sea temperature in May - Hikkaduwa, Sri Lanka
  • Average sea temperature in May: 29.1°C

The best month for swimming (with the highest average sea temperature) is April (29.6°C).
The coldest month (with the lowest average sea temperature) is August (27.5°C).

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

The month with the longest days is June (Average daylight: 12.5h).
Months with shortest days are January, November and December (Average daylight: 11.8h).

  • Average sunshine in May: 6h

The month with most sunshine is March (Average sunshine: 9h).
Months with least sunshine are May, June, July, August, September and October (Average sunshine: 6).

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

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