Weather and climate in Singapore, Singapore: monthly averages and best time for stargazing

Best for stargazingFeb, Mar, AprMost clear, dark hours

Warmest monthAprilAverage high 30°C

Coolest monthFebruaryAverage low 24°C

Wettest monthDecember300 mm on average

What the weather is like in Singapore

The warmest month in Singapore is April, with average highs of 30°C. The coolest is February, when nights average 24°C. About 2,367 mm of rain and snow falls in a typical year, most in December and least in February.

Skies are clearest in February (72% average cloud cover) and cloudiest in December (88%). Combining cloud with the length of truly dark nights, February, March, April offer the most clear, dark hours for stargazing.

Clear, dark hours per night

1.9 Jan

2.7 Feb

2.6 Mar

2.3 Apr

2.3 May

2.3 Jun

2.2 Jul

2.3 Aug

2.0 Sep

1.6 Oct

1.2 Nov

1.2 Dec

Hours of full astronomical darkness in mid-month, multiplied by the average share of clear sky. A rough guide to how much good observing time a typical night offers.

Monthly averages

Month	High	Low	Precipitation	Cloud cover	Humidity	Wind	Dark hours
January	28°C	24°C	235 mm	80%	88%	9 km/h	9.5 h
February	29°C	24°C	101 mm	72%	86%	9 km/h	9.6 h
March	30°C	24°C	168 mm	72%	84%	7 km/h	9.6 h
April	30°C	25°C	193 mm	75%	82%	5 km/h	9.5 h
May	30°C	26°C	199 mm	76%	83%	6 km/h	9.4 h
June	29°C	26°C	164 mm	76%	84%	7 km/h	9.3 h
July	29°C	25°C	174 mm	76%	85%	7 km/h	9.3 h
August	29°C	25°C	173 mm	76%	84%	8 km/h	9.5 h
September	29°C	25°C	167 mm	80%	83%	7 km/h	9.6 h
October	29°C	25°C	210 mm	83%	83%	6 km/h	9.6 h
November	29°C	25°C	283 mm	88%	85%	6 km/h	9.5 h
December	28°C	24°C	300 mm	88%	88%	8 km/h	9.5 h

Climate averages: NASA POWER, 2001–2025, for the grid area around 1.50, 103.75 (about 50 km across). High and low temperatures are estimated from the monthly mean and the average daily range. Hills, coasts and cities can differ from the area average. Sources and methods.