May weather forecast and climate
Singapore, Singapore SG

• Average high temperature in May: 31.6°C

The warmest month (with the highest average high temperature) is April (31.7°C).
The month with the lowest average high temperature is December (30°C).

• Average low temperature in May: 24.8°C

Months with the highest average low temperature are May and June (24.8°C).
The coldest month (with the lowest average low temperature) is January (23.3°C).

• Average humidity in May: 84.4%

The month with the highest relative humidity is December (86.9%).
Months with the lowest relative humidity are February and July (82.8%).

• Average rainfall in May: 171.3mm

The wettest month (with the highest rainfall) is December (287.4mm).
The driest month (with the lowest rainfall) is July (158.7mm).

• Average rainfall days in May: 15 days

Months with the highest number of rainy days are November and December (19 days).
The month with the lowest number of rainy days is February (11 days).

• Average sea temperature in May: 30.2°C

Best months for swimming (with the highest average sea temperature) are May and June (30.2°C).
The coldest month (with the lowest average sea temperature) is January (27.7°C).

• Average daylight in May: 12.2h

Months with the longest days are May, June, July and August (Average daylight: 12.2h).
The month with shortest days is December (Average daylight: 12h).

• Average sunshine in May: 5.8h

The month with most sunshine is February (Average sunshine: 6.5h).
Months with least sunshine are November and December (Average sunshine: 4.3).

• Average UV index in May: 12

Months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 11).