April weather forecastBoralanda, Sri Lanka
April
Weather in April
April, like March, in Boralanda, Sri Lanka, is another warm spring month, with temperature in the range of an average low of 17.9°C (64.2°F) and an average high of 27.6°C (81.7°F).Temperature
The warmest time of the year is April, with temperatures averaging a high of 27.6°C (81.7°F) and a low of 17.9°C (64.2°F).Heat index
April's average heat index is estimated at a hot 32°C (89.6°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index determinations are made taking into account the shade and light air movements. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Boralanda, the average relative humidity in April is 85%.Rainfall
In April, the rain falls for 27.2 days. Throughout April, 273mm (10.75") of precipitation is accumulated. Throughout the year, in Boralanda, there are 297.4 rainfall days, and 2784mm (109.61") of precipitation is accumulated.Daylight
In April, the average length of the day is 12h and 17min.On the first day of April, sunrise is at 06:04 and sunset at 18:15. On the last day of the month, sunrise is at 05:52 and sunset at 18:14 +0530.
Sunshine
In Boralanda, Sri Lanka, the average sunshine in April is 8.3h.UV index
The months with the highest UV index are February through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 6 in April transforms into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Boralanda, Sri Lanka
- Average high temperature in April: 27.6°C
The warmest month (with the highest average high temperature) is April (27.6°C).
The month with the lowest average high temperature is December (24.3°C).
- Average low temperature in April: 17.9°C
The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is February (15.3°C).
Average pressure in April
Boralanda, Sri Lanka
- Average pressure in April: 1009.7mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in April
Boralanda, Sri Lanka
- Average wind speed in April: 3.3km/h
The windiest month (with the highest average wind speed) is June (9.1km/h).
The calmest month (with the lowest average wind speed) is April (3.3km/h).
Average humidity in April
Boralanda, Sri Lanka
- Average humidity in April: 85%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is March (80%).
Average rainfall in April
Boralanda, Sri Lanka
- Average rainfall in April: 273mm
The wettest month (with the highest rainfall) is October (656mm).
The driest month (with the least rainfall) is January (85mm).
Average rainfall days in April
Boralanda, Sri Lanka
- Average rainfall days in April: 27.2 days
The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is February (16.3 days).
Average daylight in April /
Average sunshine in April
Boralanda, 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: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in April
Boralanda, Sri Lanka
- Average sunshine days in April: 1.5 days
The month with the most sunshine days is February (11 days).
The month with the least sunshine days is May (0.8 days).
Average UV index in April
Boralanda, Sri Lanka
- Average UV index in April: 6
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, October, November and December (UV index 5).
Average cloud cover in April
Boralanda, Sri Lanka
- Average cloud cover in April: 52
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in April
Boralanda, Sri Lanka
- Average visibility in April: 7km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are November and December (6km).





