May weather forecast
Manila, Philippines

A small stream and beautiful garden parks near the city of Manila, Philippines
A small stream and beautiful garden parks near the city of Manila, Philippines

Weather in May

May, the last month of the spring, in Manila, is another hot month, with average temperature fluctuating between 26.4°C (79.5°F) and 33.4°C (92.1°F).

Temperature

The warmest month is May, with an average high-temperature of 33.4°C (92.1°F) and an average low-temperature of 26.4°C (79.5°F).

Heat index

In May, the average heat index is computed to be a life-threatening hot 45.7°C (114.3°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, metabolic differences, clothing, and pregnancy affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

In Manila, the average relative humidity in May is 72%.

Rainfall

In Manila, during May, the rain falls for 19.9 days and regularly aggregates up to 75mm (2.95") of precipitation. Throughout the year, there are 185 rainfall days, and 830mm (32.68") of precipitation is accumulated.

Sea temperature

The month with the warmest seawater is May, with an average sea temperature of 29.8°C (85.6°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in Manila is 12.8h.

Sunshine

In May, the average sunshine is 11.1h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the warmest month in Manila?

With an average high-temperature of 33.4°C (92.1°F) and an average low-temperature of 26.4°C (79.5°F), May is the warmest month in Manila, Philippines.

What is the temperature in May in Manila?

In May, in Manila, Philippines, the average high-temperature is 33.4°C (92.1°F), and the average low-temperature is 26.4°C (79.5°F). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 45.7°C (114.3°F).

What is the average humidity in May in Manila?

The average relative humidity in May is 72%.

How much does it rain in Manila in May?

In Manila, Philippines, during May, the rain falls for 19.9 days and regularly aggregates up to 75mm (2.95") of precipitation.

What is the month with the warmest sea water in Manila?

With an average sea temperature of 29.8°C (85.6°F), May is the month with the warmest seawater in Manila, Philippines.

What is the sea water temperature in May in Manila?

In Manila, Philippines, the average seawater temperature in May is 29.8°C (85.6°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.

How many hours of daylight does Manila have in May?

In Manila, the average length of the day in May is 12.8h.

How many hours of sunshine does Manila have in May?

In May, the average sunshine is 11.1h.

What is the month with the highest UV index in Manila?

Months with the highest UV index are February through December, with an average maximum UV index of 7.

How high is the UV index in May in Manila?

In May, the average daily maximum UV index in Manila, Philippines, is 7. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to the Sun's UV rays.

Average temperature in May
Manila, Philippines

Average temperature in May - Manila, Philippines
  • Average high temperature in May: 33.4°C

The warmest month (with the highest average high temperature) is May (33.4°C).
The month with the lowest average high temperature is January (28.3°C).

  • Average low temperature in May: 26.4°C

The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.9°C).

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Average pressure in May
Manila, Philippines

Average pressure in May - Manila, Philippines
  • Average pressure in May: 1009.5mbar

The month with the highest atmospheric pressure is February (1013.4mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).

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Average wind speed in May
Manila, Philippines

Average wind speed in May - Manila, Philippines
  • Average wind speed in May: 7.5km/h

The windiest month (with the highest average wind speed) is January (11.4km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).

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Average humidity in May
Manila, Philippines

Average humidity in May - Manila, Philippines
  • Average humidity in May: 72%

Months with the highest relative humidity are August and September (81%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in May
Manila, Philippines

Average rainfall in May - Manila, Philippines
  • Average rainfall in May: 75mm

The wettest month (with the highest rainfall) is July (163mm).
The driest month (with the least rainfall) is February (11mm).

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Average rainfall days in May
Manila, Philippines

Average rainfall days in May - Manila, Philippines
  • Average rainfall days in May: 19.9 days

The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (7 days).

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Average sea temperature in May
Manila, Philippines

Average sea temperature in May - Manila, Philippines
  • Average sea temperature in May: 29.8°C

The best month for swimming (with the highest average sea temperature) is May (29.8°C).
The coldest month (with the lowest average sea temperature) is February (27°C).

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Average daylight in May /
Average sunshine in May
Manila, Philippines

Average daylight in May / Average sunshine in May - Manila, Philippines
  • Average daylight in May: 12.8h

The month with the longest days is June (Average daylight: 13h).
The month with the shortest days is December (Average daylight: 11.3h).

  • Average sunshine in May: 11.1h

The month with the most sunshine is April (Average sunshine: 11.3h).
The month with the least sunshine is January (Average sunshine: 6.2h).

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Average sunshine days in May
Manila, Philippines

Average sunshine days in May - Manila, Philippines
  • Average sunshine days in May: 10 days

The month with the most sunshine days is March (16.9 days).
The month with the least sunshine days is July (7 days).

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Average UV index in May
Manila, Philippines

Average UV index in May - Manila, Philippines
  • Average UV index in May: 7

Months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).

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Average cloud cover in May
Manila, Philippines

Average cloud cover in May - Manila, Philippines
  • Average cloud cover in May: 30

The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is April (Cloud cover 25).

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Average visibility in May
Manila, Philippines

Average visibility in May - Manila, Philippines
  • Average visibility in May: 10km

Months with the highest visibility are February, March, April, May, June and December (10km).
Months with the lowest visibility are January, July, August, September, October and November (9km).

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