May weather forecast
Calansayan, Philippines

May, the last month of the spring in Calansayan, is another tropical month, with an average temperature fluctuating between 25.5°C (77.9°F) and 31.4°C (88.5°F).

Temperature

May, characterized by an average high temperature of 31.4°C (88.5°F) and a low temperature of 25.5°C (77.9°F), is generally the warmest month.

Heat index

May's mean heat index is appraised at a blistering 41°C (105.8°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in May is 78%.

Rainfall

In Calansayan, Philippines, during May, the rain falls for 19.7 days and regularly aggregates up to 68mm (2.68") of precipitation. In Calansayan, Philippines, during the entire year, the rain falls for 225.7 days and collects up to 760mm (29.92") of precipitation.

Daylight

In May, the average length of the day in Calansayan is 12h and 46min.
On the first day of the month, sunrise is at 5:33 am and sunset at 6:11 pm. On the last day of May, sunrise is at 5:26 am and sunset at 6:19 pm PST.

Sunshine

In Calansayan, the average sunshine in May is 11.2h.

UV index

The months with the highest UV index are February through June, August and September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.