Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
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
The heat index for April is computed to be a tropical 32°C (89.6°F). Constant activity during exposure could result in a state of weariness and possibly heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The average relative humidity in April is 85%.Rainfall
In April, in Diyabubula, the rain falls for 27.2 days. Throughout April, 273mm (10.75") of precipitation is accumulated. Throughout the year, 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 18:16. On the last day of the month, sunrise is at 05:52 and sunset at 18:15 +0530.
Sunshine
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 of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 6 in April translates into this advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months?
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April?
How many hours of daylight does Diyabubula have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
When is the highest UV index in Diyabubula?
How high is the UV index in April?
Average temperature in April
Diyabubula, 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
Diyabubula, 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
Diyabubula, 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
Diyabubula, 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
Diyabubula, 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
Diyabubula, 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
Diyabubula, 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: 8h and 2min
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
Diyabubula, 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
Diyabubula, 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
Diyabubula, 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
Diyabubula, 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).
