April 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
April, like March, is another hot spring month in Mirissa, Sri Lanka, 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

March and April, with an average high-temperature of 31°C (87.8°F), are warmest months.

Rainfall

In April, the rain falls for 11 days. Throughout April, 207mm (8.1") of precipitation is accumulated. In Mirissa, during the entire year, the rain falls for 116 days and collects up to 2216mm (87.2") of precipitation.

Sea temperature

April is the month with the warmest seawater, with an average sea temperature of 30°C (86°F). For swimming, other intense water activities, temperature above 30°C (86°F) is arguably unpleasant, as the water cooling effect is missing.

Daylight

The average length of the day is 12.3h.

Sunshine

The average sunshine in Mirissa is 7h.

UV index

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

What is the warmest month in Mirissa?

Warmest months in Mirissa, Sri Lanka, are March and April, with an average high-temperature of 31°C (87.8°F).

What is the temperature in April in Mirissa?

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

How much does it rain in Mirissa in April?

In April, the rain falls for 11 days. Throughout April, 207mm (8.1") of precipitation is accumulated.

What month is the sea warmest in Mirissa?

April is the month with the warmest seawater, with an average sea temperature of 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.

How warm is the water in April in Mirissa?

In Mirissa, the average seawater temperature in April is 30°C (86°F). For swimming, other intense water activities, temperature above 30°C (86°F) is arguably unpleasant, as the water cooling effect is missing.

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

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

How long on average sun shines in April in Mirissa?

The average sunshine in April is 7h.

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

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

How high is the UV index in April in Mirissa?

In April, the average UV index is 12.
Average temperature in April - Mirissa, Sri Lanka
  • Average high temperature in April: 31°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 April: 24°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 April - Mirissa, Sri Lanka
  • Average rainfall in April: 207mm

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

Average rainfall days in April - Mirissa, Sri Lanka
  • Average rainfall days in April: 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 April - Mirissa, Sri Lanka
  • Average sea temperature in April: 30°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 April / Average sunshine in April - Mirissa, Sri Lanka
  • Average daylight in April: 12.3h

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 April: 7h

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

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