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
March and April, when the average high-temperature reaches 31.3°C (88.3°F), are the warmest months.Heat index
The heat index in April is calculated to be an extremely hot 41°C (105.8°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. 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.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In Kahathuduwa, the average relative humidity in April is 78%.Rainfall
In Kahathuduwa, Sri Lanka, during April, the rain falls for 25.8 days and regularly aggregates up to 127mm (5") of precipitation. Throughout the year, in Kahathuduwa, Sri Lanka, there are 273.8 rainfall days, and 2059mm (81.06") of precipitation is accumulated.Daylight
The average length of the day in April is 12h and 16min.On the first day of April, 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.
Sunshine
The average sunshine in April is 9h.UV index
January through April, July, September through December, with an average maximum UV index of 7, are months with the highest UV index in Kahathuduwa. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 7 suggests these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the hottest in Kahathuduwa?
How hot is it in Kahathuduwa in April?
What is the average humidity in April in Kahathuduwa?
How much does it rain in Kahathuduwa in April?
What is the average length of the day in April in Kahathuduwa?
When are sunrise and sunset in April in Kahathuduwa?
How long on average sun shines in April in Kahathuduwa?
What are the months with the highest UV index in Kahathuduwa?
How high is the UV index in April in Kahathuduwa?
Average temperature in April
Kahathuduwa, Sri Lanka
- Average high temperature in April: 31.3°C
The warmest months (with the highest average high temperature) are March and April (31.3°C).
The month with the lowest average high temperature is August (28.6°C).
- Average low temperature in April: 26°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 (23.4°C).
Average pressure in April
Kahathuduwa, Sri Lanka
- Average pressure in April: 1009.7mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).
Average wind speed in April
Kahathuduwa, Sri Lanka
- Average wind speed in April: 8.7km/h
The windiest month (with the highest average wind speed) is June (15.9km/h).
The calmest month (with the lowest average wind speed) is March (7.9km/h).
Average humidity in April
Kahathuduwa, Sri Lanka
- Average humidity in April: 78%
The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (75%).
Average rainfall in April
Kahathuduwa, Sri Lanka
- Average rainfall in April: 127mm
The wettest month (with the highest rainfall) is June (350mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days in April
Kahathuduwa, Sri Lanka
- Average rainfall days in April: 25.8 days
The months with the highest number of rainy days are July and August (29.5 days).
The month with the least rainy days is January (8.9 days).
Average daylight in April /
Average sunshine in April
Kahathuduwa, 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: 9h and 0min
The month with the most sunshine is January (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in April
Kahathuduwa, Sri Lanka
- Average sunshine days in April: 2.3 days
The month with the most sunshine days is January (21 days).
The months with the least sunshine days are June and July (0.3 days).
Average UV index in April
Kahathuduwa, Sri Lanka
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, July, September, October, November and December (UV index 7).
The months with the lowest UV index are May, June and August (UV index 6).
Average cloud cover in April
Kahathuduwa, Sri Lanka
- Average cloud cover in April: 40
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility in April
Kahathuduwa, Sri Lanka
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).
