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
April temperatures tend to peak at an average high of 30.4°C (86.7°F) and dip to a low of 28.1°C (82.6°F).Heat index
The heat index value for April is computed to be a sweltering 38°C (100.4°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
The average relative humidity in April is 77%.Rainfall
In April, in Nainativu, the rain falls for 7.5 days. Throughout April, 20mm (0.79") of precipitation is accumulated. Throughout the year, in Nainativu, there are 148.6 rainfall days, and 769mm (30.28") of precipitation is accumulated.Daylight
In April, the average length of the day in Nainativu is 12h and 20min.On the first day of the month, sunrise is at 06:08 and sunset at 18:21. On the last day of April, in Nainativu, sunrise is at 05:54 and sunset at 18:22 +0530.
Sunshine
The average sunshine in April is 10.5h.UV index
January through October and December, with an average maximum UV index of 7, are months with the highest UV index in Nainativu. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 7 in April, converts into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. 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 Nainativu?
How hot is it in Nainativu in April?
What is the average humidity in April in Nainativu?
How much does it rain in Nainativu in April?
How many hours of daylight does Nainativu have in April?
When are sunrise and sunset in April in Nainativu?
How long on average sun shines in April in Nainativu?
What is the month with the highest UV index in Nainativu?
How high is the UV index in April in Nainativu?
Average temperature in April
Nainativu, Sri Lanka
- Average high temperature in April: 30.4°C
The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in April: 28.1°C
The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (25.5°C).
Average pressure in April
Nainativu, Sri Lanka
- Average pressure in April: 1008.8mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1005.9mbar).
Average wind speed in April
Nainativu, Sri Lanka
- Average wind speed in April: 16.7km/h
The windiest month (with the highest average wind speed) is June (33.8km/h).
The calmest months (with the lowest average wind speed) are March and April (16.7km/h).
Average humidity in April
Nainativu, Sri Lanka
- Average humidity in April: 77%
The months with the highest relative humidity are May, August and September (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in April
Nainativu, Sri Lanka
- Average rainfall in April: 20mm
The wettest month (with the highest rainfall) is October (191mm).
The driest month (with the least rainfall) is March (13mm).
Average rainfall days in April
Nainativu, Sri Lanka
- Average rainfall days in April: 7.5 days
The month with the highest number of rainy days is October (22.6 days).
The month with the least rainy days is March (5.8 days).
Average daylight in April /
Average sunshine in April
Nainativu, Sri Lanka
- Average daylight in April: 12h and 2min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in April: 10h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in April
Nainativu, Sri Lanka
- Average sunshine days in April: 22 days
The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is November (6.3 days).
Average UV index in April
Nainativu, 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 and December (UV index 7).
The month with the lowest UV index is November (UV index 6).
Average cloud cover in April
Nainativu, Sri Lanka
- Average cloud cover in April: 19
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 16).
Average visibility in April
Nainativu, 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).
