Negombo
Sri Lanka
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Negombo, Sri Lanka

June, the first month of the summer, in Negombo, is still a warm month, with average temperature varying between 29°C (84.2°F) and 25°C (77°F).

Temperature

June through December, with an average high-temperature of 29°C (84.2°F), are the coldest months.

Rainfall

In Negombo, during June, the rain falls for 13 days and regularly aggregates up to 224mm (8.8") of precipitation. In Negombo, during the entire year, the rain falls for 125 days and collects up to 2345mm (92.3") of precipitation.

Sea temperature

In Negombo, Sri Lanka, in June, the average water temperature is 28.3°C (82.9°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

May through July, with an average of 12.5h of daylight, are months with the longest days in Negombo.

Sunshine

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

UV index

Months with the highest UV index in Negombo are February through October, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV radiation for the average person.
In June, the average maximum UV index of 12 translate into the following recommendations:
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. 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. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What are the coldest months in Negombo?

June through December, with an average high-temperature of 29°C (84.2°F), are the coldest months in Negombo.

What is the temperature in June in Negombo?

In June, in Negombo, Sri Lanka, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 25°C (77°F).

How many days does it rain in June in Negombo?

In Negombo, in June, during 13 rainfall days, 224mm (8.8") of precipitation is typically accumulated.

How warm is the water in June in Negombo?

In Negombo, the average seawater temperature in June is 28.3°C (82.9°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.

When are the longest days in Negombo?

May through July, with an average of 12.5h of daylight, are months with the longest days in Negombo, Sri Lanka.

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

The average length of the day in June in Negombo is 12.5h.

What is the month with the least sunshine in Negombo?

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

How long on average sun shines in June in Negombo?

The average sunshine in June in Negombo is 6h.

When is the highest UV index in Negombo?

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

What is the UV index intensity in June in Negombo?

The average daily maximum UV index in June in Negombo 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 June - Negombo, Sri Lanka
  • Average high temperature in June: 29°C

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

  • Average low temperature in June: 25°C

The month with the highest average low temperature is May (26°C).
Coldest months (with the lowest average low temperature) are January, February and December (22°C).

Average rainfall in June - Negombo, Sri Lanka
  • Average rainfall in June: 224mm

The wettest month (with the highest rainfall) is May (371mm).
The driest month (with the lowest rainfall) is February (69mm).

Average rainfall days in June - Negombo, Sri Lanka
  • Average rainfall days in June: 13 days

Months with the highest number of rainy days are October and November (15 days).
Months with the lowest number of rainy days are January and February (4 days).

Average sea temperature in June - Negombo, Sri Lanka
  • Average sea temperature in June: 28.3°C

The best month for swimming (with the highest average sea temperature) is April (29.7°C).
The coldest month (with the lowest average sea temperature) is August (27°C).

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

Months with the longest days are May, 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 June, July, August, September and October (Average sunshine: 6).

Average UV index in June - Negombo, 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).