April weather forecastSan Guillermo, Philippines

Weather in April

April in San Guillermo, Philippines, is a hot spring month, with an average temperature fluctuating between 21.2°C (70.2°F) and 30.8°C (87.4°F).

Temperature

April denotes a minimal variation in the average high-temperature to a tropical 30.8°C (87.4°F) from March's 28.3°C (82.9°F). Throughout the month of April, San Guillermo reports a steady low-temperature average of 21.2°C (70.2°F).

Heat index

The heat index value during April is calculated to be a blistering 40°C (104°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

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

Rainfall

In San Guillermo, in April, during 16.1 rainfall days, 62mm (2.44") of precipitation is typically accumulated. Throughout the year, there are 222.7 rainfall days, and 872mm (34.33") of precipitation is accumulated.

Daylight

In April, the average length of the day is 12h and 31min.
On the first day of April, sunrise is at 5:46 am and sunset at 6:05 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 6:11 pm PST.

Sunshine

In April, the average sunshine is 10.8h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 7 translates into these guidelines:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.