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 sea temperature 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's average high-temperature is a tropical 30.3°C (86.5°F), maintaining a close comparison with March's 29.3°C (84.7°F). The month of April records an average low-temperature of 25°C (77°F).Heat index
The heat index for April is appraised at a torrid 38°C (100.4°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The average relative humidity in April is 78%.Rainfall
April is the month with the least rainfall. Rain falls for 17.1 days and accumulates 31mm (1.22") of precipitation.Sea temperature
In April, the average sea temperature is 27.9°C (82.2°F).Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.
Daylight
In April, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 5:38 am and sunset at 5:53 pm. On the last day of April, sunrise is at 5:24 am and sunset at 5:54 pm PST.
Sunshine
In April, the average sunshine is 8.7h.UV index
The months with the highest UV index in Isabel 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. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation 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. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in April?
What is the average humidity in April?
What is the driest month?
How many days does it rain in April?
How warm is the water in April in Isabel?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Isabel have in April?
When is the highest UV index?
What is the month with the lowest UV index?
How high is the UV index in April?
Average temperature in April
Isabel, Philippines
- Average high temperature in April: 30.3°C
The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (28.2°C).
- Average low temperature in April: 25°C
The months with the highest average low temperature are May and June (26.2°C).
The coldest month (with the lowest average low temperature) is February (23.9°C).
Average pressure in April
Isabel, Philippines
- Average pressure in April: 1010.5mbar
The month with the highest atmospheric pressure is February (1011.8mbar).
The month with the lowest atmospheric pressure is August (1008.3mbar).
Average wind speed in April
Isabel, Philippines
- Average wind speed in April: 8.5km/h
The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).
Average humidity in April
Isabel, Philippines
- Average humidity in April: 78%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are May and June (77%).
Average rainfall in April
Isabel, Philippines
- Average rainfall in April: 31mm
The wettest month (with the highest rainfall) is July (104mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in April
Isabel, Philippines
- Average rainfall days in April: 17.1 days
The month with the highest number of rainy days is October (25.1 days).
The month with the least rainy days is February (14.8 days).
Average sea temperature in April
Isabel, Philippines
- Average sea temperature in April: 27.9°C
The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).
Average daylight in April /
Average sunshine in April
Isabel, Philippines
- Average daylight in April: 12h and 2min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in April
Isabel, Philippines
- Average sunshine days in April: 8.6 days
The month with the most sunshine days is March (10.4 days).
The month with the least sunshine days is August (4.4 days).
Average UV index in April
Isabel, Philippines
- 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
Isabel, Philippines
- Average cloud cover in April: 31
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 30).
Average visibility in April
Isabel, Philippines
- 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).
