April weather forecast and climate
Waikkal, Sri Lanka

Palm trees and a house on the rocky brown sandy shores of a beach resort in Waikkal, Sudan
Palm trees and a house on the rocky brown sandy shores of a beach resort in Waikkal, Sudan

Weather in April

April, the same as March, in Waikkal, Sri Lanka, is a hot spring month, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 33°C (91.4°F).

Temperature

March and April, with an average high-temperature of 33°C (91.4°F), are the warmest months.

Rainfall

In Waikkal, during 13 rainfall days, 244mm (9.61") of precipitation is typically accumulated. Throughout the year, in Waikkal, Sri Lanka, there are 125 rainfall days, and 2117mm (83.35") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 30°C (86°F), April is the month with the warmest seawater in Waikkal.
Note: The water temperature above 30°C (86°F) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

Daylight

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

Sunshine

In Waikkal, the average sunshine is 8h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index in Waikkal. A UV Index estimate of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation for the average person.
Note: In April, the average maximum UV index of 12 translate into the following recommendations:
Practice all essential precautions. Protection against sun damage is crucial. 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 reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What are the warmest months in Waikkal?

Warmest months are March and April, with an average high-temperature of 33°C (91.4°F).

How many days does it rain in April in Waikkal?

In Waikkal, Sri Lanka, in April, during 13 rainfall days, 244mm (9.61") of precipitation is typically accumulated.

What is the month with the warmest sea water in Waikkal?

With an average sea temperature of 30°C (86°F), April is the month with the warmest seawater.

What is the sea water temperature in April in Waikkal?

In April, the average sea temperature in Waikkal, Sri Lanka, is 30°C (86°F). The surface water temperatures above 30°C (86°F) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

What is the average length of the day in April in Waikkal?

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

How long on average sun shines in April in Waikkal?

The average sunshine in April in Waikkal is 8h.

When is the highest UV index in Waikkal?

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

What is the UV index reading in April in Waikkal?

The average daily maximum UV index in April is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV rays.

Average temperature in April
Waikkal, Sri Lanka

Average temperature in April - Waikkal, Sri Lanka
  • Average high temperature in April: 33°C

The warmest months (with the highest average high temperature) are March and April (33°C).
The month with the lowest average high temperature is December (30°C).

  • Average low temperature in April: 24°C

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

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Average rainfall in April
Waikkal, Sri Lanka

Average rainfall in April - Waikkal, Sri Lanka
  • Average rainfall in April: 244mm

The wettest month (with the highest rainfall) is October (351mm).
The driest month (with the least rainfall) is January (47mm).

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Average rainfall days in April
Waikkal, Sri Lanka

Average rainfall days in April - Waikkal, 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 least rainy days are January and February (4 days).

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Average sea temperature in April
Waikkal, Sri Lanka

Average sea temperature in April - Waikkal, Sri Lanka
  • Average sea temperature in April: 30°C

The best month for swimming (with the highest average sea temperature) is April (30°C).
The coldest months (with the lowest average sea temperature) are January, July, August and September (27°C).

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Average daylight in April /
Average sunshine in April
Waikkal, Sri Lanka

Average daylight in April / Average sunshine in April - Waikkal, 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 the shortest days is December (Average daylight: 11.7h).

  • Average sunshine in April: 8h

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

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Average UV index in April
Waikkal, Sri Lanka

Average UV index in April - Waikkal, 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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