May weather forecastSeletar, Singapore
May
Weather in May
May transitions into slightly hotter days, boasting the highest average temperature of the year at 32°C (89.6°F). Despite the uplifting temperatures, May offers longer stretches of sunshine hours contributing to an exuberant outdoor experience. The steady wind speeds compared to the earlier months ensure a comfortable weather despite the rise in temperature. The rainfall sees a slight moderation as well, making local exploration pleasant for tourists. The cloud cover tends to decrease, providing wonderful opportunities for sunbathing and beachside lounging in Seletar, Singapore.Temperature
The month of May sees the highest average temperatures, reaching 32°C (89.6°F) at the peak and 26.3°C (79.3°F) at the low.Heat index
During May, the heat index is appraised at a blisteringly hot 43°C (109.4°F). Attention: Heat exhaustion and heat cramps are quite likely. Heatstroke becomes a risk with continued exertion.Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 22.5 days. Throughout May, 68mm (2.68") of precipitation is accumulated. In Seletar, during the entire year, the rain falls for 250.9 days and collects up to 733mm (28.86") of precipitation.Daylight
In May, the average length of the day is 12h and 11min.On the first day of the month, sunrise is at 06:56 and sunset at 19:06. On the last day of May, sunrise is at 06:56 and sunset at 19:08 +08.
Sunshine
The average sunshine in May is 8.7h.UV index
The months with the highest UV index are January through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, a daily UV index of 7 turns into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Seletar, Singapore
- Average high temperature in May: 32°C
The warmest month (with the highest average high temperature) is May (32°C).
The month with the lowest average high temperature is January (29.7°C).
- Average low temperature in May: 26.3°C
The month with the highest average low temperature is May (26.3°C).
The coldest months (with the lowest average low temperature) are January and February (24.6°C).
Average pressure in May
Seletar, Singapore
- Average pressure in May: 1008.5mbar
The month with the highest atmospheric pressure is February (1010.2mbar).
The month with the lowest atmospheric pressure is May (1008.5mbar).
Average wind speed in May
Seletar, Singapore
- Average wind speed in May: 6.2km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest months (with the lowest average wind speed) are April and May (6.2km/h).
Average humidity in May
Seletar, Singapore
- Average humidity in May: 77%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is September (73%).
Average rainfall in May
Seletar, Singapore
- Average rainfall in May: 68mm
The wettest month (with the highest rainfall) is December (102mm).
The driest month (with the least rainfall) is February (31mm).
Average rainfall days in May
Seletar, Singapore
- Average rainfall days in May: 22.5 days
The month with the highest number of rainy days is December (25 days).
The month with the least rainy days is February (14.9 days).
Average daylight in May /
Average sunshine in May
Seletar, Singapore
- Average daylight in May: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in May
Seletar, Singapore
- Average sunshine days in May: 6.3 days
The month with the most sunshine days is February (10.7 days).
The months with the least sunshine days are April and November (4.5 days).
Average UV index in May
Seletar, Singapore
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and November (UV index 7).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in May
Seletar, Singapore
- Average cloud cover in May: 35
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in May
Seletar, Singapore
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (10km).
The month with the lowest visibility is December (9km).





