May weather forecastSibulan, Philippines
May
Weather in May
The last month of the spring, May, is also a moderately hot month in Sibulan, Philippines, with an average temperature varying between 26.7°C (80.1°F) and 29.8°C (85.6°F).Temperature
In Sibulan, May records the highest average temperatures, peaking at 29.8°C (85.6°F) and reaching a low of 26.7°C (80.1°F).Heat index
The heat index for May is appraised at a sweltering 36°C (96.8°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.Realize that the values for the heat index are set for shaded places and light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
With an average relative humidity of 76%, May is the least humid month.Rainfall
In Sibulan, during May, the rain falls for 23.9 days and regularly aggregates up to 102mm (4.02") of precipitation. Throughout the year, in Sibulan, there are 269 rainfall days, and 899mm (35.39") of precipitation is accumulated.Daylight
In Sibulan, the average length of the day in May is 12h and 33min.On the first day of May in Sibulan, sunrise is at 5:30 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 6:04 pm PST.
Sunshine
The average sunshine in May is 9.7h.UV index
The months with the highest UV index in Sibulan, Philippines, 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 unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 7 in May converts into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sibulan, Philippines
- Average high temperature in May: 29.8°C
The warmest month (with the highest average high temperature) is May (29.8°C).
The month with the lowest average high temperature is January (27.6°C).
- Average low temperature in May: 26.7°C
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is February (25.1°C).
Average pressure in May
Sibulan, Philippines
- Average pressure in May: 1009.3mbar
The month with the highest atmospheric pressure is February (1011.1mbar).
The month with the lowest atmospheric pressure is July (1009mbar).
Average wind speed in May
Sibulan, Philippines
- Average wind speed in May: 9.4km/h
The windiest month (with the highest average wind speed) is February (20km/h).
The calmest month (with the lowest average wind speed) is May (9.4km/h).
Average humidity in May
Sibulan, Philippines
- Average humidity in May: 76%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Sibulan, Philippines
- Average rainfall in May: 102mm
The wettest month (with the highest rainfall) is October (123mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in May
Sibulan, Philippines
- Average rainfall days in May: 23.9 days
The month with the highest number of rainy days is October (26.1 days).
The month with the least rainy days is February (18.3 days).
Average daylight in May /
Average sunshine in May
Sibulan, Philippines
- Average daylight in May: 12h and 36min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in May: 9h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in May
Sibulan, Philippines
- Average sunshine days in May: 4.9 days
The month with the most sunshine days is August (7.7 days).
The month with the least sunshine days is November (2.1 days).
Average UV index in May
Sibulan, 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
Sibulan, Philippines
- Average cloud cover in May: 33
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is April (Cloud cover 28).
Average visibility in May
Sibulan, 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).





