June weather forecast and climate
Kalutara, Sri Lanka

June, the first month of the summer, in Kalutara, is still a hot month, with average temperature fluctuating between 30°C (86°F) and 25°C (77°F).

Temperature

June through December, with an average high-temperature of 30°C (86°F), are the coldest months.

Rainfall

In Kalutara, in June, it is raining for 14 days, with typically 235mm (9.3") of accumulated precipitation. Throughout the year, in Kalutara, Sri Lanka, there are 131 rainfall days, and 2659mm (104.7") of precipitation is accumulated.

Sea temperature

In June, the average sea temperature is 28.2°C (82.8°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.

Daylight

Months with the longest days in Kalutara are June and July, with an average of 12.5h of daylight.

Sunshine

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

UV index

Months with the highest UV index in Kalutara are February through October, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 12 transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in 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. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What are the coldest months in Kalutara?

June through December, with an average high-temperature of 30°C (86°F), are the coldest months.

What is the temperature in June in Kalutara?

In Kalutara, in June, 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 Kalutara in June?

In June, the rain falls for 14 days. Throughout June, 235mm (9.3") of precipitation is accumulated.

What is the water temperature in June in Kalutara?

In Kalutara, the average seawater temperature in June is 28.2°C (82.8°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.

When are the longest days in Kalutara?

June and July, with an average of 12.5h of daylight, are months with the longest days in Kalutara, Sri Lanka.

How many hours of daylight does Kalutara have in June?

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

What is the month with the least sunshine in Kalutara?

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

How long on average sun shines in June in Kalutara?

In June, the average sunshine is 6h.

When is the highest UV index in Kalutara?

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

What is the UV index intensity in June in Kalutara?

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

The warmest month (with the highest average high temperature) is April (32°C).
Months with the lowest average high temperature are June, July, August, September, October, November and December (30°C).

  • Average low temperature in June: 25°C

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

Average rainfall in June - Kalutara, Sri Lanka
  • Average rainfall in June: 235mm

The wettest month (with the highest rainfall) is May (388mm).
The driest month (with the lowest rainfall) is January (73mm).

Average rainfall days in June - Kalutara, Sri Lanka
  • Average rainfall days in June: 14 days

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

Average sea temperature in June - Kalutara, Sri Lanka
  • Average sea temperature in June: 28.2°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 (27.2°C).

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

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

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