Singapore's Weather in May

May's weather at Singapore continues with the light wind and frequent thunderstorms characteristic of the months between monsoon seasons. Nighttime temperatures now are among the hottest of the year.

This page gives detailed information on the typical May weather for Singapore. There are data and descriptions for temperature, rain, sun, humidity, wind and storms.

The numbers here are long-term historical averages based on climate data gathered from 1991 to 2020.

Temperature

90 °F	May average high	32 °C
78 °F	May average low	26 °C

Daytime temperatures at Singapore usually go no higher than 96 degrees Fahrenheit (35 degrees Celsius).

Nighttime temperatures only rarely get as low as 70 °F (21 °C).

Rain

6.5 in	total precipitation	164 mm
15 days	of rain

Singapore's total amount of rain for May has varied over the years from 15 inches (387 mm) to less than two inches (42 mm).

Usually the day's heaviest rainfall this time of year occurs around 1 pm.

Sun

49 %	sunshine
185 hours	of sun

Sunlight in May at Singapore lasts for 12 hours and 10 minutes a day on average. That amounts to 378 hours of daylight for the month.

Humidity

82 %	May average humidity

The relative humidity in Singapore during May ranges throughout the day from an average maximum of 95 percent to an average minimum of 64 percent.

Wind

3.8 mph

May wind speed average

6.1 kph

May is less windy than most other months in Singapore.

Storms

19 days	with thunder in May
21 days	with lightning

This is a time of year when thunderstorms are most active over Singapore.