May weather forecast
Caloocan, Philippines

May witnesses a substantial shift in Caloocan's weather patterns as the city transitions to more rain-oriented conditions. Compared to its preceding months, May sees a two-fold increase in rainfall to 36mm (1.42"), consequently intensifying the city's overall humidity. The intensified cloud cover brings about a shrinking window of sunshine, but this isn’t reflected in the duration of daylight hours. May's shift in Caloocan's weather is evident from the drop in atmospheric pressure. The gentle winds course through Caloocan, acting as a rhythmic respite amidst the increasing warmth and dampness.

Temperature

May is the month that records the highest temperatures in Caloocan, with averages ranging from a high of 33.3°C (91.9°F) to a low of 26.4°C (79.5°F).

Heat index

The heat index for May is appraised at a burning hot 45°C (113°F). Eyes open: Heat cramps and heat exhaustion are expected. Prolonged exertion could lead to heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In May, the average relative humidity is 72%.

Rainfall

In Caloocan, in May, it is raining for 18.7 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 154.9 rainfall days, and 349mm (13.74") of precipitation is accumulated.

Daylight

In Caloocan, the average length of the day in May is 12h and 49min.
On the first day of the month, sunrise is at 5:32 am and sunset at 6:12 pm. On the last day of May, sunrise is at 5:25 am and sunset at 6:21 pm PST.

Sunshine

The average sunshine in May in Caloocan, Philippines, is 11h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index in Caloocan, Philippines. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 7 in May translates into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.