May weather forecastBulan, Philippines
May
Weather in May
The last month of the spring, May, is a hot month in Bulan, Philippines, with an average temperature ranging between min 27.4°C (81.3°F) and max 30.9°C (87.6°F).Temperature
May, on average, is the warmest month, registering a high temperature of 30.9°C (87.6°F) and a low of 27.4°C (81.3°F).Heat index
The heat index value for May is calculated to be a blisteringly hot 40°C (104°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. 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 remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
May and June, with an average relative humidity of 77%, are the least humid months in Bulan.Rainfall
In May, in Bulan, the rain falls for 16.6 days. Throughout May, 38mm (1.5") of precipitation is accumulated. In Bulan, during the entire year, the rain falls for 198.4 days and collects up to 562mm (22.13") of precipitation.Sea temperature
In May, the average sea temperature is 29.3°C (84.7°F).Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Daylight
In Bulan, the average length of the day in May is 12h and 43min.On the first day of the month, sunrise is at 5:23 am and sunset at 5:59 pm. On the last day of May, in Bulan, sunrise is at 5:17 am and sunset at 6:06 pm PST.
Sunshine
With an average of 10.7h of sunshine, May has the most sunshine of the year.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heed this! UV intensity is much stronger when reflected off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bulan, Philippines
- Average high temperature in May: 30.9°C
The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (27.1°C).
- Average low temperature in May: 27.4°C
The month with the highest average low temperature is May (27.4°C).
The coldest month (with the lowest average low temperature) is February (24.8°C).
Average pressure in May
Bulan, Philippines
- Average pressure in May: 1009.4mbar
The month with the highest atmospheric pressure is February (1012.6mbar).
The month with the lowest atmospheric pressure is August (1007.8mbar).
Average wind speed in May
Bulan, Philippines
- Average wind speed in May: 12km/h
The windiest month (with the highest average wind speed) is January (22.6km/h).
The calmest month (with the lowest average wind speed) is May (12km/h).
Average humidity in May
Bulan, Philippines
- Average humidity in May: 77%
The months with the highest relative humidity are January and December (82%).
The months with the lowest relative humidity are May and June (77%).
Average rainfall in May
Bulan, Philippines
- Average rainfall in May: 38mm
The wettest month (with the highest rainfall) is July (80mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in May
Bulan, Philippines
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is February (9.2 days).
Average sea temperature in May
Bulan, Philippines
- Average sea temperature in May: 29.3°C
The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).
Average daylight in May /
Average sunshine in May
Bulan, Philippines
- Average daylight in May: 12h and 42min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Bulan, Philippines
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is March (19 days).
The month with the least sunshine days is July (5.3 days).
Average UV index in May
Bulan, Philippines
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in May
Bulan, Philippines
- Average cloud cover in May: 27
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in May
Bulan, Philippines
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





