Singapore Weather in May
Singapore in May sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 26°C (79°F). As part of the rainy season, showers are frequent and often heavy. Budget around 225 mm (8.9 in) of rainfall for the month.
Rainfall in Singapore in May
Singapore is in the rainy season in May, with rain on around 14 days and an average of 225 mm (8.9 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Singapore in May
May in Singapore brings very high temperatures, with highs of 31°C (88°F) and nights around 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Singapore in May
The month brings about 180 hours of sunlight, offering a comfortable mix of sun and rainy moments.
Wind Speed in Singapore in May
Average wind conditions reach 1 m/s (2 knots) in May. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.
Average water temperature in May
At 29°C (84°F), the water is very warm — more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Singapore. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Singapore, check out our Singapore's climate page.
Singapore Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Water Temperature
29°C (84°F)
Chance of Rain
48%
Precipitation
225 mm (8.9 in)
Rainy days
14 days
Humidity
84%
Windspeed
1 m/s (2 knots)
Sunshine
180 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Singapore typically stay consistent throughout May, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Singapore in May
Browse day-by-day weather records for Singapore spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Singapore historical weather extremes in May
According to our 43 years of weather records for Singapore, the following extremes were recorded between 1983 and 2026.
- Singapore recorded its highest May temperature of 35°C (95°F) on May 2, 1998.
- On May 22, 1985, Singapore saw its coldest May day with temperatures maxing out at 25°C (77°F).
- The coldest night in May in Singapore was on May 5, 2012, with a minimum of 22°C (72°F).
- The wettest day in May Singapore was on May 5, 1990 with 155 mm (6.1 in) of precipitation.
Best Places in Singapore in May
Find out more about the weather in Singapore and which places have the best travel conditions in this month. See all of Singapore in May →
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What to Wear in Singapore in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Singapore in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Singapore, check out our Singapore's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Singapore climate overview or explore weather in Singapore.
