May weather forecast and Climate
Singapore, Singapore SG

• Average high temperature in May: 31.6°C

Warmest month (with highest average high temperature) is April (31.7°C).
Month with lowest average high temperature is December (30°C).

• Average low temperature in May: 24.8°C

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

• Average humidity in May: 84.4%

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

• Average rainfall in May: 171.3mm

Wettest month (with highest rainfall) is December (287.4mm).
Driest month (with lowest rainfall) is July (158.7mm).

• Average rainfall days in May: 15 days

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

• Average sea temperature in May: 30.1°C

Best months for swimming (with highest average sea temperature) are May and June (30.1°C).
Coldest month (with lowest average sea temperature) is January (27.6°C).

• Average daylight in May: 12h

Months with longest days are January, February, March, April, May, June, July, August, September, October, November and December (Average daylight: 12).
Months with shortest days are January, February, March, April, May, June, July, August, September, October, November and December (Average daylight: 12).

• Average sunshine in May: 5.8h

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

• Average UV index in May: 12

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