May weather forecast
Yap, Micronesia

Delving into May, the shift in weather dynamics becomes pronounced with a substantial jump in the precipitation levels. An average rainfall of 230mm (9.06") indicates the onset of moister weather conditions. However, temperatures during May retain consistency with previous months, ensuring warm days and nights. Even though a noticeable increase in rainfall might deter some outdoor activities, the presence of enough sunshine hours ensures that days aren't entirely gloomy. Vibrant greenery is a common sight during this month due to the enhanced rainfall.

Temperature

Yap records a slight change with May's average high-temperatures adjusting to a still tropical 30.9°C (87.6°F) from April's 31.2°C (88.2°F). Yap records an average temperature drop to a warm 23.8°C (74.8°F) in May.

Heat index

The heat index for May is estimated at a blisteringly hot 41°C (105.8°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. 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. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

In Yap, the average relative humidity in May is 81%.

Rainfall

In Yap, in May, during 17.1 rainfall days, 230mm (9.06") of precipitation is typically accumulated. Throughout the year, there are 211.6 rainfall days, and 3050mm (120.08") of precipitation is accumulated.

Sea temperature

The months with the warmest seawater are May through December, with an average sea temperature of 29°C (84.2°F).
Note: For activities in the water such as swimming or diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal for prolonged enjoyment without discomfort.

Daylight

In Yap, the average length of the day in May is 12h and 34min.
On the first day of May, sunrise is at 06:30 and sunset at 18:58. On the last day of the month, sunrise is at 06:25 and sunset at 19:04 +10.

Sunshine

The average sunshine in May is 7.9h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 12 during May morphs into the following directions:
Undertake every vital safety procedure, as unprotected skin and eyes could sustain burns in no time. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Apply liberally and reapply a broad-spectrum sunscreen of SPF 30+ every two hours, and promptly after any outdoor workout or a swim. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.