April weather forecast
Santiago, Philippines

April in Santiago, Philippines, is a tropical spring month, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 21.3°C (70.3°F).

Temperature

April ushers in an average high-temperature of a hot 31°C (87.8°F), aligning closely with the preceding month. Throughout April, Santiago records an average temperature of 21.3°C (70.3°F) at night.

Heat index

April's heat index is calculated to be an extremely hot 40°C (104°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. 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

In April, the rain falls for 20.3 days. Throughout April, 114mm (4.49") of precipitation is accumulated. In Santiago, during the entire year, the rain falls for 275.8 days and collects up to 1583mm (62.32") of precipitation.

Daylight

In Santiago, the average length of the day in April is 12h and 31min.
On the first day of the month, sunrise is at 5:48 am and sunset at 6:06 pm. On the last day of April, in Santiago, sunrise is at 5:28 am and sunset at 6:13 pm PST.

Sunshine

The average sunshine in April in Santiago is 10.8h.

UV index

The months with the highest UV index in Santiago are April through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In April, the UV index of 7 transforms into the following advice:
Inhibit overexposure. Warding off sun damage is of utmost importance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.