May weather forecast
Koror, Palau

Weather in May

The last month of the spring, May, is another warm month in Koror, Palau, with average temperature fluctuating between 29.3°C (84.7°F) and 28.1°C (82.6°F).

Temperature

The warmest month is May, with an average high-temperature of 29.3°C (84.7°F) and an average low-temperature of 28.1°C (82.6°F).

Heat index

In May, the average heat index is calculated to be a tropical 34.7°C (94.5°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like clothing, differences in body mass, height, and shape, wind, and activity influence one's weather impression. 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.

Humidity

In May, the average relative humidity in Koror is 76%.

Rainfall

In Koror, in May, it is raining for 25.6 days, with typically 173mm (6.81") of accumulated precipitation. Throughout the year, there are 303.8 rainfall days, and 2074mm (81.65") of precipitation is accumulated.

Sea temperature

April through December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Koror.
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

Months with the longest days are May through July, with an average of 12.5h of daylight.

Sunshine

The month with the most sunshine is May, with an average of 9.7h of sunshine.

UV index

Months with the highest UV index in Koror, Palau, are February through August, October and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in May interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the warmest month in Koror?

May is the warmest month in Koror, with an average high-temperature of 29.3°C (84.7°F) and an average low-temperature of 28.1°C (82.6°F).

What is the temperature in May in Koror?

The average high-temperature, in May, in Koror, Palau, is 29.3°C (84.7°F), while the average low-temperature is 28.1°C (82.6°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in May is calculated to be 34.7°C (94.5°F).

What is the average humidity in May in Koror?

In May, the average relative humidity in Koror, Palau, is 76%.

How much does it rain in Koror in May?

In May, in Koror, the rain falls for 25.6 days. Throughout May, 173mm (6.81") of precipitation is accumulated.

What months are the sea warmest in Koror?

April through December, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Koror, Palau.

How warm is the water in May in Koror?

In May, the average sea temperature in Koror, Palau, is 29°C (84.2°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.

When are the longest days in Koror?

Months with the longest days in Koror, Palau, are May through July, with an average of 12.5h of daylight.

How many hours of daylight does Koror have in May?

In May, the average length of the day is 12.5h.

What month has the most sunshine in Koror?

With an average of 9.7h of sunshine, May has the most sunshine of the year in Koror.

How long on average sun shines in May in Koror?

In May, the average sunshine is 9.7h.

What are the months with the highest UV index in Koror?

February through August, October and December, with an average maximum UV index of 7, are months with the highest UV index in Koror.

What is the UV index reading in May in Koror?

In Koror, Palau, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in May
Koror, Palau

Average temperature in May - Koror, Palau
  • Average high temperature in May: 29.3°C

The warmest month (with the highest average high temperature) is May (29.3°C).
Months with the lowest average high temperature are February and March (28.3°C).

  • Average low temperature in May: 28.1°C

The month with the highest average low temperature is November (28.4°C).
The coldest month (with the lowest average low temperature) is February (27.5°C).

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Average pressure in May
Koror, Palau

Average pressure in May - Koror, Palau
  • Average pressure in May: 1009.1mbar

Months with the highest atmospheric pressure are February and March (1009.6mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).

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Average wind speed in May
Koror, Palau

Average wind speed in May - Koror, Palau
  • Average wind speed in May: 14.7km/h

The windiest month (with the highest average wind speed) is February (24.5km/h).
The calmest month (with the lowest average wind speed) is June (13.5km/h).

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Average humidity in May
Koror, Palau

Average humidity in May - Koror, Palau
  • Average humidity in May: 76%

Months with the highest relative humidity are January, February, March and April (78%).
The month with the lowest relative humidity is June (75%).

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Average rainfall in May
Koror, Palau

Average rainfall in May - Koror, Palau
  • Average rainfall in May: 173mm

The wettest month (with the highest rainfall) is June (209mm).
The driest month (with the least rainfall) is March (119mm).

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Average rainfall days in May
Koror, Palau

Average rainfall days in May - Koror, Palau
  • Average rainfall days in May: 25.6 days

Months with the highest number of rainy days are January and December (27.8 days).
The month with the least rainy days is September (23.4 days).

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Average sea temperature in May
Koror, Palau

Average sea temperature in May - Koror, Palau
  • Average sea temperature in May: 29°C

The best months for swimming (with the highest average sea temperature) are April, May, June, July, August, September, October, November and December (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (28°C).

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Average daylight in May /
Average sunshine in May
Koror, Palau

Average daylight in May / Average sunshine in May - Koror, Palau
  • Average daylight in May: 12.5h

Months with the longest days are May, June and July (Average daylight: 12.5h).
Months with the shortest days are January and December (Average daylight: 11.7h).

  • Average sunshine in May: 9.7h

The month with the most sunshine is May (Average sunshine: 9.7h).
The month with the least sunshine is December (Average sunshine: 6.1h).

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Average sunshine days in May
Koror, Palau

Average sunshine days in May - Koror, Palau
  • Average sunshine days in May: 3.9 days

The month with the most sunshine days is August (5.9 days).
Months with the least sunshine days are February and December (1.6 days).

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Average UV index in May
Koror, Palau

Average UV index in May - Koror, Palau
  • Average UV index in May: 7

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

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Average cloud cover in May
Koror, Palau

Average cloud cover in May - Koror, Palau
  • Average cloud cover in May: 44

The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is March (Cloud cover 43).

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Average visibility in May
Koror, Palau

Average visibility in May - Koror, Palau
  • Average visibility in May: 10km

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

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