April weather forecast
San Andres, Philippines

April, like March, in San Andres, Philippines, is another warm spring month, with an average temperature ranging between min 24.5°C (76.1°F) and max 29.5°C (85.1°F).

Temperature

The start of April sees the average high-temperature at a still moderately hot 29.5°C (85.1°F), showing little difference from March's 28.3°C (82.9°F). The nights of April cool down to an average low of 24.5°C (76.1°F), subtly lower than daytime highs.

Heat index

The heat index for April is calculated to be a fiery hot 36°C (96.8°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In San Andres, the average relative humidity in April is 80%.

Rainfall

April is the month with the least rainfall in San Andres. Rain falls for 19.3 days and accumulates 44mm (1.73") of precipitation.

Sea temperature

In San Andres, the average seawater temperature in April is 28.1°C (82.6°F).
Note: Surface water temperatures falling between 25°C (77°F) and 29°C (84.2°F) are regarded as prime and extremely agreeable for enduring periods during any water activity.

Daylight

In San Andres, the average length of the day in April is 12h and 26min.
On the first day of the month, sunrise is at 5:39 am and sunset at 5:55 pm. On the last day of April, in San Andres, sunrise is at 5:22 am and sunset at 5:59 pm PST.

Sunshine

In San Andres, the average sunshine in April is 8.4h.

UV index

The months with the highest UV index are February through November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 7 in April leads to these recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.