Mirissa
Sri Lanka
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Mirissa, Sri Lanka

A row of palm trees with boats under, along Tropical Beach in Mirissa, Sri Lanka, with a sneak view of water approaching the beautiful brown sandy shore
A row of palm trees with boats under, along Tropical Beach in Mirissa, Sri Lanka, with a sneak view of water approaching the beautiful brown sandy shore
The first month of the summer, June, is still a hot month in Mirissa, Sri Lanka, with average temperature varying between 30°C (86°F) and 25°C (77°F).

Temperature

In June, the average high-temperature remains the same as in May - a still hot 30°C (86°F). In Mirissa, Sri Lanka, in June, the average low-temperature is 25°C (77°F).

Rainfall

In Mirissa, during June, the rain falls for 11 days and regularly aggregates up to 173mm (6.8") of precipitation. In Mirissa, during the entire year, the rain falls for 116 days and collects up to 2216mm (87.2") of precipitation.

Sea temperature

Months with the coldest seawater in Mirissa are January, February, June through October and December, with an average sea temperature of 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

June has the longest days of the year in Mirissa, with an average of 12.5h of daylight.

Sunshine

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

UV index

Months with the highest UV index are January through October, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 12 interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in 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. 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. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in June in Mirissa?

In June, in Mirissa, the average high-temperature is 30°C (86°F), and the average low-temperature is 25°C (77°F).

How much does it rain in Mirissa in June?

In Mirissa, Sri Lanka, in June, during 11 rainfall days, 173mm (6.8") of precipitation is typically accumulated.

What are the months with the coldest sea water in Mirissa?

January, February, June through October and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater. 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 sea water temperature in June in Mirissa?

In June, the average sea temperature in Mirissa 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.

When are the longest days in Mirissa?

The month with the longest days is June, with an average of 12.5h of daylight.

What is the average length of the day in June in Mirissa?

In June, the average length of the day in Mirissa, Sri Lanka, is 12.5h.

What is the month with the least sunshine in Mirissa?

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

How many hours of sunshine does Mirissa have in June?

In June, the average sunshine in Mirissa is 6h.

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

Months with the highest UV index in Mirissa, Sri Lanka, are January through October, with an average maximum UV index of 12.

What is the UV index reading in June in Mirissa?

The average daily maximum UV index in June in Mirissa, Sri Lanka, is 12. A UV Index reading of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in June - Mirissa, Sri Lanka
  • Average high temperature in June: 30°C

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

  • Average low temperature in June: 25°C

Months with the highest average low temperature are May and June (25°C).
The coldest month (with the lowest average low temperature) is January (22°C).

Average rainfall in June - Mirissa, Sri Lanka
  • Average rainfall in June: 173mm

The wettest month (with the highest rainfall) is October (305mm).
The driest month (with the lowest rainfall) is January (89mm).

Average rainfall days in June - Mirissa, Sri Lanka
  • Average rainfall days in June: 11 days

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

Average sea temperature in June - Mirissa, Sri Lanka
  • Average sea temperature in June: 28°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, June, July, August, September, October and December (28°C).

Average daylight in June / Average sunshine in June - Mirissa, Sri Lanka
  • Average daylight in June: 12.5h

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

  • Average sunshine in June: 6h

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

Average UV index in June - Mirissa, Sri Lanka
  • Average UV index in June: 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).