May weather forecastBoston, Philippines

Weather in May

May, the last month of the spring in Boston, is another hot month, with an average temperature varying between 21.7°C (71.1°F) and 32.3°C (90.1°F).

Temperature

In Boston, May is the month with the highest recorded average temperatures, measuring a high of 32.3°C (90.1°F) and a low of 21.7°C (71.1°F).

Heat index

The heat index for May is appraised at a burning hot 47°C (116.6°F). Be careful: Heat exhaustion and heat cramps are probable. Heatstroke may result from extended activity.
Know that the heat index computations account for shaded terrains and slight winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in May in Boston, Philippines, is 83%.

Rainfall

In Boston, in May, it is raining for 26.6 days, with typically 132mm (5.2") of accumulated precipitation. Throughout the year, in Boston, there are 279.1 rainfall days, and 1414mm (55.67") of precipitation is accumulated.

Sea temperature

In Boston, the average seawater temperature in May is 29.3°C (84.7°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

In Boston, the average length of the day in May is 12h and 29min.
On the first day of May in Boston, sunrise is at 5:19 am and sunset at 5:43 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 5:48 pm PST.

Sunshine

The average sunshine in May is 8.2h.

UV index

The months with the highest UV index in Boston are April through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 7 in May translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be mindful! Sand and water reflections can up the Sun's UV exposure.