May weather forecastIsabel, Philippines

May

Weather in May

The last month of the spring, May, is also a hot month in Isabel, Philippines, with an average temperature varying between 26.2°C (79.2°F) and 30.9°C (87.6°F).

Temperature

Isabel witnesses the warmest weather in May, with temperatures averaging a high of 30.9°C (87.6°F) and a low of 26.2°C (79.2°F).

Heat index

Throughout May, the heat index is appraised at a scorching 40°C (104°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. 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 heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The months with the lowest humidity are May and June, with an average relative humidity of 77%.

Rainfall

In Isabel, in May, it is raining for 21.6 days, with typically 53mm (2.09") of accumulated precipitation. Throughout the year, there are 250 rainfall days, and 824mm (32.44") of precipitation is accumulated.

Sea temperature

In Isabel, the average seawater temperature in May 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 Isabel, the average length of the day in May is 12h and 38min.
On the first day of the month, sunrise is at 5:23 am and sunset at 5:54 pm. On the last day of May, sunrise is at 5:18 am and sunset at 6:01 pm PST.

Sunshine

In Isabel, the average sunshine in May is 9.3h.

UV index

The months with the highest UV index in Isabel are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Isabel are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 7 in May, converts into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Attention! The reflection of both water and sand can increase the intensity of UV rays.

Frequently asked questions

May, noted for its average high-temperature of 30.9°C (87.6°F) and an average low-temperature of 26.2°C (79.2°F), is considered the warmest month in Isabel.

During May, Isabel experiences an average high-temperature of 30.9°C (87.6°F) and a low-temperature of 26.2°C (79.2°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in May is appraised at 40°C (104°F).

The months with the lowest humidity are May and June, with an average relative humidity of 77%.

The average relative humidity in May is 77%.

In Isabel, in May, it is raining for 21.6 days, with typically 53mm (2.09") of accumulated precipitation.

In May, the average sea temperature is 29.3°C (84.7°F). 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.

In Isabel, the average day length in May is 12h and 38min.

In May, on the first day of the month, sunrise is at 5:23 am and sunset at 5:54 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 6:01 pm PST.

In May, the average sunshine duration is 9.3h.

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 in Isabel, Philippines, are January through December, with an average maximum UV index of 7.

In May, the average daily maximum UV index in Isabel is 7. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Isabel, 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 (28.2°C).

  • Average low temperature in May: 26.2°C

The months with the highest average low temperature are May and June (26.2°C).
The coldest month (with the lowest average low temperature) is February (23.9°C).

Average pressure in May
Isabel, Philippines

  • Average pressure in May: 1009.3mbar

The month with the highest atmospheric pressure is February (1011.8mbar).
The month with the lowest atmospheric pressure is August (1008.3mbar).

Average wind speed in May
Isabel, Philippines

  • Average wind speed in May: 7.5km/h

The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).

Average humidity in May
Isabel, Philippines

  • Average humidity in May: 77%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are May and June (77%).

Average rainfall in May
Isabel, Philippines

  • Average rainfall in May: 53mm

The wettest month (with the highest rainfall) is July (104mm).
The driest month (with the least rainfall) is April (31mm).

Average rainfall days in May
Isabel, Philippines

  • Average rainfall days in May: 21.6 days

The month with the highest number of rainy days is October (25.1 days).
The month with the least rainy days is February (14.8 days).

Average sea temperature in May
Isabel, 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
Isabel, Philippines

  • Average daylight in May: 12h and 36min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in May: 9h and 18min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in May
Isabel, Philippines

  • Average sunshine days in May: 6.4 days

The month with the most sunshine days is March (10.4 days).
The month with the least sunshine days is August (4.4 days).

Average UV index in May
Isabel, 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
Isabel, Philippines

  • Average cloud cover in May: 30

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 30).

Average visibility in May
Isabel, 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).