April weather forecastSienna, Philippines

Weather in April

April, like March, is a hot spring month in Sienna, Philippines, with temperature in the range of an average high of 33.1°C (91.6°F) and an average low of 24.9°C (76.8°F).

Temperature

Sienna transitions into April recording an average high-temperature of a still tropical 33.1°C (91.6°F), closely aligning with the preceding month's temperature. April generally records an average low-temperature of 24.9°C (76.8°F).

Heat index

The heat index value for April is appraised at an extremely hot 44°C (111.2°F). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

April is the least humid month, with an average relative humidity of 70%.

Rainfall

In Sienna, during April, the rain falls for 12.3 days and regularly aggregates up to 35mm (1.38") of precipitation. In Sienna, during the entire year, the rain falls for 185 days and collects up to 830mm (32.68") of precipitation.

Daylight

The average length of the day in April is 12h and 28min.
On the first day of April, sunrise is at 5:51 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 6:12 pm PST.

Sunshine

With an average of 11.3h of sunshine, April has the most sunshine of the year.

UV index

The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In April, an average UV index of 7 transforms into the following instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.