With the yearly average high temperature at 32°C (90°F) in the daytime and about 25°C (77°F) at night, Singapore is hot and summery all year around, with little variation. Singapore is humid and there are more than 14 rainy days a month on average. Because of the northeast monsoon, November to January is the rainy season in Singapore.
The driest month is February with an average rainfall at 111 mm (4 inches) and 9 rainy days.
The wettest month is December with an average rainfall of 330 mm (13 inches) and 19 rainy days.
The hottest month is May with an average temperature of 29°C (84°F).
The coldest months are December/January with an average temperature of 24°C (76°F ).
The best times for food tour are April and July. The annual World Gourmet Summit is usually held in April. And the famous Singapore Food Festival is always from mid to late July.
The best time for shopping tour is Middle June to middle July, Christmas, and New Year time. The annual Great Singapore Sale is from middle June to middle July.
The busiest travel times are during the big festivals, such as Diwali in November, Christmas holiday, and Chinese Lunar New Year in January/February.
The worst travel time is September. Affected by the burning of straw throughout Indonesia, the air quality in Singapore in this month is very poor, shrouded in smog and low visibility. Travelers should be prepared for this and a mask might be needed.
The cheapest travel time is after the festivals (February–October). Singapore is good for travel all year round, so attraction fees remain the same, but the hotel prices might be a little cheaper after the festivals. You can always get good hotel discounts if booking a month before.
Singapore Temperature and Singapore Rainfall Averages by Month
Singapore’s temperature range remains almost constant throughout the year at around 25–32°C (77–90°F). Though hot outside, a/c is provided in all buildings, which can be quite cool, so be prepared.
Singapore is humid all the year round (from 81% in the drier months to 86% in the wet season), but almost all precipitation in Singapore is thunderstorms in the evenings, so storms should not have a big effect on your travels. Flights are not often affected and typhoons are very seldom.
Storms are about twice as likely in the November–January wet season, which has about twice as much rainfall as other months.
The Dry Season (February to October): Better for Outdoor Activities
Due to the southwest monsoon, February to October is the “dry season” (moderate rainfall season) in Singapore, with an average of 15 rainy days per month. The weather is mostly sunny and clear in this time as the rain is concentrated in short (evening) storms.
The drier season is a better time for outdoor activities, such as:
hiking along the Southern Ridges — the about 9-km (6-mile) hiking route from Mount Faber Peak to Kent Ridge Park;
climbing the Bukit Timah Summit, which is about 160 meters (525 feet) above sea level — the highest point in Singapore;
walk on the TreeTop Walk at MacRitchie Reservoir (a suspension bridge through the canopy);
bike around Pulau Ubin Island.
The Rainy Season (November to January): Better for Indoor Activities
The rainy season in Singapore is from November to January. Affected by the humid northeast monsoon, there is more rain during this time, averaging 19 rainy days in Novemebr/December.
What to Do When It Rains in Singapore
Climb the world’s tallest indoor waterfall in Gardens by the Bay
Shop freely in the different shopping malls on Orchard Road
Discover the underwater life in S.E.A. Aquarium
Explore the Jewel of Changi
Drink a cup of Singapore Sling in Raffles Hotel
Be an airplane captain for a time in Flight Experience Singapore on Raffles Avenue
Feel Singapore’s art and culture in a museum. There are many different museums in Singapore: the National Museum of Singapore, Asian Civilizations Museum, and Singapore Art Museum are recommended.
Relax yourself in a Spa. Chi, The Spa at Shangri-La and Estetica on Orchard Road are good options.
Taste different Singapore food in Lau Pa Sat market. There is an indoor food street in the market.
The Hot Seasons (Apr./May and Oct./Nov.): Better for Morning/Night Activities
April to May and October to November are the retreating monsoon months in Singapore. Because the ground wind is weak and changeable, it is particularly hot during those months. It is usually muggy from 10 a.m. to 3 p.m. and the highest temperatures can reach to 35°C (95°F). There are often showers and thunderstorms in the afternoon at that time. At night and in the early morning, the temperature can drop to about 20°C (68°F) because of the sea breeze, which is very cool.
So, it is suggested to do activities in the morning and from late afternoon in Singapore’s hotter seasons. In the middle of the day, you can also consider indoor places such as the indoor waterfall in Gardens by the Bay, S.E.A. Aquarium, Jewel of Changi, or the parks with more trees. At night, we suggest the Singapore Night Safari or just relaxing in the bars in Clarke Quay.
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