Weather in Singapore in June

How June compares

June is the 4th warmest month of the year in Singapore and ranks 37th of 134 destinations we compare for June - see where else is hot in June. Against London's average high of 19.6°C in June, Singapore is 9.2°C warmer by day and 14.9°C warmer at night.

Daytime and night-time in June

The typical June day in Singapore peaks at 28.8°C, but that is an average: the warmest 10% of days reach 29.8°C or more. About 100% of days top 25°C and 1 in 15 pass 30°C. Nights average 26.2°C; one night in ten drops to 25.1°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest June day here reached 30.8°C (2017-06-04) and the coldest night 24.3°C (1999-06-29).

Rain in June

Wet (more than 8 rainy days): about 25 days with 1 mm or more, 180 mm in total. Year to year it varies a lot - the wettest June was 2020 with 550 mm, the driest 2004 with 101 mm. Humidity averages 82%, which makes the heat feel heavier than the thermometer suggests.

Sea temperature in June

The sea averages 29.9°C - warm enough to swim (22°c+). Depending on the year it ranges from 29.5°C to 30.3°C. For the warmest sea here, come in May (30.1°C).

Sunshine and daylight

Around 2.9 hours of sunshine a day (estimated from cloud cover), 12.1 hours of daylight: the sun rises about 06:59 and sets about 19:11 local time in mid-June. Average cloud cover is 76%.

Is June a good time to visit Singapore?

It is a reasonable choice: hot days but expect showers. The best months for Singapore on our scoring are July, June, March; months averaging 25°C or more: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec.

Expect warm evenings and sticky days

Singapore is much warmer than London in June, with average daytime highs 9.2°C higher. Humidity of 82% is the bigger practical catch: even when temperatures look manageable, walking around can feel sticky. Choose loose, breathable clothing and leave room in your plans for shaded or air-conditioned breaks, especially at midday. Evenings are still warm, so do not expect sunset to bring the sort of cooling you might get at home. June suits travellers comfortable with persistent heat; it is less appealing if you prefer long outdoor days without stopping to cool down. Pack for warm nights as well as hot afternoons.

Keep outdoor plans flexible

Rain is a regular part of June, not an occasional inconvenience, so a rigid outdoor schedule is a poor fit. Carry a compact umbrella and choose footwear you will not mind getting wet. There are about 2.9 hours of sunshine within 12.1 hours of daylight, which means long days should not be mistaken for reliably sunny ones. The figures do not tell you when rain will fall, so avoid assuming mornings or afternoons will always be dry. June still sits among Singapore's better-rated months alongside July and March, but that is a relative judgement: it remains a hot, wet choice rather than a dry-weather holiday.