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 is the warmest month, with the temperature often reaching an average high of 31.9°C (89.4°F) and an average low of 26.8°C (80.2°F).Heat index
In April, the heat index is calculated to be a blistering 42°C (107.6°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in April is 76%.Rainfall
In Kumarakattuwa, during April, the rain falls for 21.4 days and regularly aggregates up to 86mm (3.39") of precipitation. In Kumarakattuwa, during the entire year, the rain falls for 221.7 days and collects up to 1071mm (42.17") of precipitation.Daylight
In Kumarakattuwa, the average length of the day in April is 12h and 18min.On the first day of the month, sunrise is at 06:08 and sunset at 18:20. On the last day of April, sunrise is at 05:55 and sunset at 18:19 +0530.
Sunshine
In April, the average sunshine in Kumarakattuwa, Sri Lanka, is 9.6h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Kumarakattuwa, Sri Lanka. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In April, the maximum UV index of 7 translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Kumarakattuwa?
How hot is it in Kumarakattuwa in April?
What is the average humidity in April in Kumarakattuwa?
How much does it rain in Kumarakattuwa in April?
How many hours of daylight does Kumarakattuwa have in April?
What time are sunrise and sunset in April in Kumarakattuwa?
How many hours of sunshine does Kumarakattuwa have in April?
What are the months with the highest UV index in Kumarakattuwa?
What are the months with the lowest UV index in Kumarakattuwa?
What is the UV index intensity in April in Kumarakattuwa?
Average temperature in April
Kumarakattuwa, Sri Lanka
- Average high temperature in April: 31.9°C
The warmest month (with the highest average high temperature) is April (31.9°C).
The months with the lowest average high temperature are January and December (29.3°C).
- Average low temperature in April: 26.8°C
The month with the highest average low temperature is May (27.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure in April
Kumarakattuwa, Sri Lanka
- Average pressure in April: 1009.2mbar
The month with the highest atmospheric pressure is January (1012mbar).
The month with the lowest atmospheric pressure is June (1007.5mbar).
Average wind speed in April
Kumarakattuwa, Sri Lanka
- Average wind speed in April: 14.1km/h
The windiest month (with the highest average wind speed) is June (30.4km/h).
The calmest month (with the lowest average wind speed) is April (14.1km/h).
Average humidity in April
Kumarakattuwa, Sri Lanka
- Average humidity in April: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is March (73%).
Average rainfall in April
Kumarakattuwa, Sri Lanka
- Average rainfall in April: 86mm
The wettest month (with the highest rainfall) is October (195mm).
The driest months (with the least rainfall) are January and February (31mm).
Average rainfall days in April
Kumarakattuwa, Sri Lanka
- Average rainfall days in April: 21.4 days
The month with the highest number of rainy days is November (25.1 days).
The month with the least rainy days is February (10.5 days).
Average daylight in April /
Average sunshine in April
Kumarakattuwa, Sri Lanka
- Average daylight in April: 12h and 2min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in April: 9h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in April
Kumarakattuwa, Sri Lanka
- Average sunshine days in April: 3.6 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is April (3.6 days).
Average UV index in April
Kumarakattuwa, 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
Kumarakattuwa, Sri Lanka
- Average cloud cover in April: 34
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 22).
Average visibility in April
Kumarakattuwa, Sri Lanka
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
