Singapore · May
Run in the pre-dawn.
Average high is 85°F with a 78°F overnight low. Humidity averages 87% — the limiting factor on most runs. Expect 30 rain days — plan around the radar. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
Avg high / low
85° / 78°F
Humidity
87%
Rain days
30/mo
Wind
7 mph
What May feels like in Singapore
Sunrise
06:56
Mid-month average
Sunset
19:06
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Heat peaks here. Skip unless you've got shade and pace tolerance.
Evening
Cools off after sunset but still warm. Good for easy efforts; avoid hard intervals if you're chasing pace.
What to wear running in Singapore in May
The kit for May in Singapore: light, breathable, and moisture-wicking — singlet or short-sleeve only, a water-resistant cap or jacket on standby.
May vs the surrounding months
vs April
0° avg high
0 rain days
Singapore in April →
May
85°F avg high
30 rain days
Best: pre-dawn
vs June
+1° avg high
+1 rain days
Singapore in June →
Frequently Asked Questions
What is the best time of day to run in Singapore in May?+
Pre-dawn. Humid heat punishes mid-morning — get out before sunrise for the only truly comfortable window.
What's the average temperature in Singapore in May?+
Average high 85°F, average low 78°F.
How does May compare to surrounding months in Singapore?+
Compared to April (avg high 86°F), May is cooler. Compared to June (avg high 85°F), May is warmer.
Does it rain often in Singapore in May?+
Expect about 30 measurable rain days in May, on average.