April weather forecastDikwella, Sri Lanka
April
Weather in April
April, the same as March, in Dikwella, Sri Lanka, is a hot spring month, with temperature in the range of an average low of 25.3°C (77.5°F) and an average high of 31.1°C (88°F).Temperature
March and April, with an average high-temperature of 31.1°C (88°F), are the warmest months.Heat index
The heat index for April is evaluated at a blistering 41°C (105.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
The average relative humidity in April is 79%.Rainfall
In Dikwella, during April, the rain falls for 19.7 days and regularly aggregates up to 46mm (1.81") of precipitation. In Dikwella, during the entire year, the rain falls for 180 days and collects up to 509mm (20.04") of precipitation.Daylight
In April, the average length of the day is 12h and 16min.On the first day of April in Dikwella, Sri Lanka, sunrise is at 06:05 and sunset at 18:16. On the last day of the month, sunrise is at 05:54 and sunset at 18:14 +0530.
Sunshine
The month with the most sunshine in Dikwella, Sri Lanka, is April, with an average of 9.7h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Dikwella. The months with the lowest UV index in Dikwella are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 7 in April translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Dikwella, Sri Lanka
- Average high temperature in April: 31.1°C
The warmest months (with the highest average high temperature) are March and April (31.1°C).
The month with the lowest average high temperature is September (29.1°C).
- Average low temperature in April: 25.3°C
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23°C).
Average pressure in April
Dikwella, Sri Lanka
- Average pressure in April: 1009.9mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).
Average wind speed in April
Dikwella, Sri Lanka
- Average wind speed in April: 9.4km/h
The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is January (9km/h).
Average humidity in April
Dikwella, Sri Lanka
- Average humidity in April: 79%
The months with the highest relative humidity are May, September and November (81%).
The months with the lowest relative humidity are January and February (77%).
Average rainfall in April
Dikwella, Sri Lanka
- Average rainfall in April: 46mm
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is January (22mm).
Average rainfall days in April
Dikwella, Sri Lanka
- Average rainfall days in April: 19.7 days
The month with the highest number of rainy days is November (19.8 days).
The month with the least rainy days is June (10.7 days).
Average daylight in April /
Average sunshine in April
Dikwella, 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 48min).
- Average sunshine in April: 9h and 42min
The month with the most sunshine is April (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in April
Dikwella, Sri Lanka
- Average sunshine days in April: 8.3 days
The month with the most sunshine days is July (17.8 days).
The month with the least sunshine days is November (7.8 days).
Average UV index in April
Dikwella, 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, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in April
Dikwella, Sri Lanka
- Average cloud cover in April: 35
The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility in April
Dikwella, Sri Lanka
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
