April weather forecastPeralanda, Sri Lanka

April

Weather in April

April, like March, is another hot spring month in Peralanda, Sri Lanka, with temperature in the range of an average low of 26°C (78.8°F) and an average high of 32°C (89.6°F).

Temperature

In April, Peralanda experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 32.1°C (89.8°F) in March to a still hot 32°C (89.6°F). During the nights in April, Peralanda experiences a consistent average temperature of 26°C (78.8°F).

Heat index

The heat index value for April is computed to be a scorching 43°C (109.4°F). Prudent: Heat cramps and heat exhaustion are likely. Heatstroke becomes imminent with sustained exertion.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In Peralanda, the average relative humidity in April is 77%.

Rainfall

In Peralanda, in April, during 23.4 rainfall days, 112mm (4.41") of precipitation is typically accumulated. Throughout the year, there are 265.4 rainfall days, and 1744mm (68.66") of precipitation is accumulated.

Daylight

In Peralanda, the average length of the day in April is 12h and 17min.
On the first day of the month, sunrise is at 06:08 and sunset at 18:19. On the last day of April, sunrise is at 05:56 and sunset at 18:18 +0530.

Sunshine

January through April, with an average of 9.2h of sunshine, are months with the most sunshine in Peralanda.

UV index

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Peralanda. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In April, a regular UV index of 7 translates into these guidelines:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete 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.

Frequently asked questions

The average high-temperature and low-temperature in Peralanda during April are 32°C (89.6°F) and 26°C (78.8°F) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in April is computed to be 43°C (109.4°F).

In Peralanda, the average relative humidity in April is 77%.

In Peralanda, Sri Lanka, in April, during 23.4 rainfall days, 112mm (4.41") of precipitation is typically accumulated.

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

On the first day of April in Peralanda, Sri Lanka, sunrise is at 06:08 and sunset at 18:19. On the last day of the month, sunrise is at 05:56 and sunset at 18:18 +0530.

The months with the most sunshine in Peralanda, Sri Lanka, are January through April, with an average of 9.2h of sunshine.

The average sunshine duration in April is 9.2h.

The months with the highest UV index are January through April, July, September, November and December, with an average maximum UV index of 7.

In Peralanda, Sri Lanka, the average daily maximum UV index in April is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Peralanda, Sri Lanka

  • Average high temperature in April: 32°C

The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).

  • Average low temperature in April: 26°C

The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).

Average pressure in April
Peralanda, Sri Lanka

  • Average pressure in April: 1009.6mbar

The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).

Average wind speed in April
Peralanda, Sri Lanka

  • Average wind speed in April: 10km/h

The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).

Average humidity in April
Peralanda, Sri Lanka

  • Average humidity in April: 77%

The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).

Average rainfall in April
Peralanda, Sri Lanka

  • Average rainfall in April: 112mm

The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).

Average rainfall days in April
Peralanda, Sri Lanka

  • Average rainfall days in April: 23.4 days

The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).

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

  • Average daylight in April: 12h and 18min

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: 9h and 12min

The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).

Average sunshine days in April
Peralanda, Sri Lanka

  • Average sunshine days in April: 4.6 days

The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).

Average UV index in April
Peralanda, Sri Lanka

  • Average UV index in April: 7

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

Average cloud cover in April
Peralanda, Sri Lanka

  • Average cloud cover in April: 37

The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).

Average visibility in April
Peralanda, Sri Lanka

  • Average visibility in April: 10km

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