April weather forecast and climate
Negombo, Sri Lanka

April, the same as March, in Negombo, Sri Lanka, is another hot spring month, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 31°C (87.8°F).

Temperature

February through May, with an average high-temperature of 31°C (87.8°F), are warmest months.

Rainfall

In Negombo, in April, it is raining for 13 days, with typically 231mm (9.1") of accumulated precipitation. Throughout the year, there are 125 rainfall days, and 2345mm (92.3") of precipitation is accumulated.

Sea temperature

The month with the warmest seawater is April, with an average sea temperature of 29.7°C (85.5°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

The average length of the day in April is 12.3h.

Sunshine

The average sunshine in April is 8h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index.
A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to the Sun's UV rays for average individuals. Take all necessary precautions. Unprotected skin can burn in minutes.

What is the warmest month in Negombo?

February through May, with an average high-temperature of 31°C (87.8°F), are warmest months in Negombo, Sri Lanka.

What is the temperature in April in Negombo?

In April, in Negombo, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 24°C (75.2°F).

How many days does it rain in April in Negombo?

In Negombo, during April, the rain falls for 13 days and regularly aggregates up to 231mm (9.1") of precipitation.

What month is the sea warmest in Negombo?

The month with the warmest seawater in Negombo, Sri Lanka, is April, with an average sea temperature of 29.7°C (85.5°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.

What is the water temperature in April in Negombo?

In Negombo, Sri Lanka, the average seawater temperature in April is 29.7°C (85.5°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.

How many hours of daylight does Negombo have in April?

In Negombo, the average length of the day in April is 12.3h.

How many hours of sunshine does Negombo have in April?

The average sunshine in April is 8h.

What are the months with 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 April in Negombo?

In Negombo, Sri Lanka, the average daily maximum UV index in April is 12. A UV Index reading of 11, and higher, represents an ultimate hazard to health from unprotected exposure to the UV radiation.
Average temperature in April - Negombo, Sri Lanka
  • Average high temperature in April: 31°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 April: 24°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 April - Negombo, Sri Lanka
  • Average rainfall in April: 231mm

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

Average rainfall days in April - Negombo, Sri Lanka
  • Average rainfall days in April: 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 April - Negombo, Sri Lanka
  • Average sea temperature in April: 29.7°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 April / Average sunshine in April - Negombo, Sri Lanka
  • Average daylight in April: 12.3h

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 April: 8h

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 April - Negombo, Sri Lanka
  • Average UV index in April: 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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