April weather forecast
Ampara, Sri Lanka

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Weather in April

The region of Ampara, Sri Lanka, witnesses a weather shift in April, with a significant hike in temperature. This month is marked by temperatures peaking from 25.9°C (78.6°F) to a high of 31.8°C (89.2°F), the first time the mercury crosses the 30°C (86°F) mark in the yearly cycle. This warmth is accompanied by a marginal increase in rainfall to 57mm (2.24"), although the cloud coverage and relative humidity remain almost unchanged. Consequently, April can be characterized as Ampara's transition from a moderately warm to a distinctively hot month.

Temperature

Ampara marks the arrival of April with an average high-temperature of a still tropical 31.8°C (89.2°F), hardly different from March's 30.1°C (86.2°F). During the month of April, the temperature in Ampara falls to an average of 25.9°C (78.6°F).

Heat index

The average heat index in April is calculated to be an extremely hot 42°C (107.6°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In April, the average relative humidity in Ampara is 75%.

Rainfall

In Ampara, Sri Lanka, during April, the rain falls for 19.1 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, there are 237.8 rainfall days, and 1259mm (49.57") of precipitation is accumulated.

Daylight

In Ampara, the average length of the day in April is 12h and 17min.
On the first day of the month, sunrise is at 06:01 and sunset at 18:12. On the last day of April, sunrise is at 05:49 and sunset at 18:11 +0530.

Sunshine

In April, the average sunshine is 11.2h.

UV index

January through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 in April interprets into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

How hot is April in Ampara?

In Ampara, 31.8°C (89.2°F) is the average high-temperature and 25.9°C (78.6°F) is the average low-temperature during April. In April, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 42°C (107.6°F).

What is the average humidity in April in Ampara?

In Ampara, Sri Lanka, the average relative humidity in April is 75%.

How many days does it rain in April in Ampara?

In Ampara, in April, during 19.1 rainfall days, 57mm (2.24") of precipitation is typically accumulated.

How many hours of daylight does Ampara have in April?

In Ampara, the average day length in April is 12h and 17min.

When is the sunrise / sunset in April in Ampara?

In April, on the first day of the month, sunrise is at 06:01 and sunset at 18:12. On the last day of the month, sunrise is at 05:49 and sunset at 18:11 +0530.

How many hours of sunshine does Ampara have in April?

In Ampara, the average sunshine duration in April is 11.2h.

What are the months with the highest UV index in Ampara?

January through October, with an average maximum UV index of 7, are months with the highest UV index in Ampara.

What is the UV index intensity in April in Ampara?

In April, the average daily maximum UV index in Ampara is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in April
Ampara, Sri Lanka

Average temperature in April - Ampara, Sri Lanka
  • Average high temperature in April: 31.8°C

The warmest month (with the highest average high temperature) is June (33°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in April: 25.9°C

The month with the highest average low temperature is May (26.6°C).
The coldest month (with the lowest average low temperature) is January (24°C).

Average pressure in April
Ampara, Sri Lanka

Average pressure in April - Ampara, Sri Lanka
  • Average pressure in April: 1009.5mbar

The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1007.3mbar).

Average wind speed in April
Ampara, Sri Lanka

Average wind speed in April - Ampara, Sri Lanka
  • Average wind speed in April: 9.8km/h

The windiest month (with the highest average wind speed) is January (13.9km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).

Average humidity in April
Ampara, Sri Lanka

Average humidity in April - Ampara, Sri Lanka
  • Average humidity in April: 75%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are June and July (68%).

Average rainfall in April
Ampara, Sri Lanka

Average rainfall in April - Ampara, Sri Lanka
  • Average rainfall in April: 57mm

The wettest month (with the highest rainfall) is December (272mm).
The driest month (with the least rainfall) is June (30mm).

Average rainfall days in April
Ampara, Sri Lanka

Average rainfall days in April - Ampara, Sri Lanka
  • Average rainfall days in April: 19.1 days

The months with the highest number of rainy days are October and November (25.5 days).
The month with the least rainy days is March (12.8 days).

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

Average daylight in April / Average sunshine in April - Ampara, Sri Lanka
  • Average daylight in April: 12h and 2min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in April: 11h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in April
Ampara, Sri Lanka

Average sunshine days in April - Ampara, Sri Lanka
  • Average sunshine days in April: 7.4 days

The month with the most sunshine days is March (15.5 days).
The month with the least sunshine days is November (3.2 days).

Average UV index in April
Ampara, Sri Lanka

Average UV index in April - Ampara, Sri Lanka
  • Average UV index in April: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are November and December (UV index 6).

Average cloud cover in April
Ampara, Sri Lanka

Average cloud cover in April - Ampara, Sri Lanka
  • Average cloud cover in April: 22

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 22).

Average visibility in April
Ampara, Sri Lanka

Average visibility in April - Ampara, Sri Lanka
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).

Ampara, Sri Lanka

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