May weather forecast
Koror, Palau

May in Koror captures the essence with a notable climb in high temperatures to 29.3°C (84.7°F), compared to April’s high of 28.8°C (83.8°F). It marks the underway dry season as consistent sunshine graces the skies for most hours of the day. Despite being in the middle of the year, May registers peak humidity levels offering a rich tropical experience. Likewise, the decrease in wind speed seen in April continues into May. The sun-soaked city of Koror complements the perfect tropical paradigm with soothing sea temperatures.

Temperature

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

Heat index

The heat index for May is computed to be a sweltering 35°C (95°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. 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 are quite important for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in May is 76%.

Rainfall

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

Sea temperature

The months with the warmest seawater in Koror are April through December, with an average sea temperature of 29°C (84.2°F).
Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.

Daylight

In Koror, the average length of the day in May is 12h and 28min.
On the first day of the month, sunrise is at 05:47 and sunset at 18:10. On the last day of May, in Koror, sunrise is at 05:44 and sunset at 18:15 +09.

Sunshine

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

UV index

February through August, October and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 7 during May leads to these advisories:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.