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 month is April, with an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 17.9°C (64.2°F).Heat index
The heat index for April is appraised at a tropical 32°C (89.6°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in April is 85%.Rainfall
In Welimada, in April, during 27.2 rainfall days, 273mm (10.75") of precipitation is typically 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 the month, sunrise is at 06:04 and sunset at 18:15. On the last day of April, sunrise is at 05:52 and sunset at 18:14 +0530.
Sunshine
In Welimada, the average sunshine in April is 8.3h.UV index
February through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 6 translates into these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
What are the temperatures in April?
What is the average humidity in April in Welimada?
How many days does it rain in April?
How many hours of daylight does Welimada have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
When is the highest UV index?
How high is the UV index in April?
Average temperature in April
Welimada, 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
Welimada, 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
Welimada, 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
Welimada, 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
Welimada, 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
Welimada, 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
Welimada, 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
Welimada, 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
Welimada, 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
Welimada, 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
Welimada, 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).
