April weather forecastCalapan, Philippines
April
Weather in April
April, like March, in Calapan, Philippines, is another warm spring month, with an average temperature ranging between max 29.3°C (84.7°F) and min 24.9°C (76.8°F).Temperature
Calapan starts April with an average high-temperature of a still moderately hot 29.3°C (84.7°F), a minor shift from March's 28.3°C (82.9°F). April in Calapan is characterized by a steady nighttime low-temperature of 24.9°C (76.8°F).Heat index
Throughout April, the heat index is computed to be a torrid 35°C (95°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.
Humidity
In Calapan, the average relative humidity in April is 77%.Rainfall
April is the month with the least rainfall in Calapan. Rain falls for 15.3 days and accumulates 38mm (1.5") of precipitation.Sea temperature
In April, the average sea temperature in Calapan is 28.1°C (82.6°F).Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.
Daylight
In April, the average length of the day in Calapan is 12h and 26min.On the first day of April, sunrise is at 5:51 am and sunset at 6:07 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 6:10 pm PST.
Sunshine
With an average of 11.2h of sunshine, April has the most sunshine of the year in Calapan.UV index
The months with the highest UV index in Calapan are February through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In April, a daily maximum UV index of 7 leads to the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Calapan, Philippines
- Average high temperature in April: 29.3°C
The warmest month (with the highest average high temperature) is May (30.4°C).
The month with the lowest average high temperature is January (26.6°C).
- Average low temperature in April: 24.9°C
The month with the highest average low temperature is June (26.5°C).
The coldest month (with the lowest average low temperature) is February (23.3°C).
Average pressure in April
Calapan, Philippines
- Average pressure in April: 1010.8mbar
The month with the highest atmospheric pressure is February (1012.6mbar).
The months with the lowest atmospheric pressure are July and August (1007.9mbar).
Average wind speed in April
Calapan, Philippines
- Average wind speed in April: 10.7km/h
The windiest month (with the highest average wind speed) is January (14.8km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).
Average humidity in April
Calapan, Philippines
- Average humidity in April: 77%
The months with the highest relative humidity are January and December (82%).
The month with the lowest relative humidity is May (76%).
Average rainfall in April
Calapan, Philippines
- Average rainfall in April: 38mm
The wettest month (with the highest rainfall) is December (183mm).
The driest month (with the least rainfall) is April (38mm).
Average rainfall days in April
Calapan, Philippines
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is December (25.2 days).
The month with the least rainy days is April (15.3 days).
Average sea temperature in April
Calapan, Philippines
- Average sea temperature in April: 28.1°C
The best month for swimming (with the highest average sea temperature) is June (30°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).
Average daylight in April /
Average sunshine in April
Calapan, Philippines
- Average daylight in April: 12h and 24min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in April: 11h and 12min
The month with the most sunshine is April (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in April
Calapan, Philippines
- Average sunshine days in April: 9 days
The month with the most sunshine days is August (9.8 days).
The month with the least sunshine days is November (1.4 days).
Average UV index in April
Calapan, Philippines
- Average UV index in April: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in April
Calapan, Philippines
- Average cloud cover in April: 27
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is April (Cloud cover 27).
Average visibility in April
Calapan, 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).
