Singapore

Here's the thing about Singapore that catches most people off guard: it doesn't really have seasons. Highs hover around 29–30°C (84–86°F) basically every single day of the year. What does change — and dramatically — is the rain. I've been caught in a 20-minute downpour at 3pm that cleared by 4pm, and I've also experienced weeks where the sky just refuses to open up. The real calendar here is written by monsoons, not temperature. Your best windows are February through April and July through September, when rainfall drops and humidity feels slightly less suffocating.

February to April is genuinely the sweeter spot if you can swing it. The northeast monsoon has moved on, so you get fewer sudden cloudbursts and more of those brilliant 9–10 hour sunshine days. The city feels a bit drier, prices aren't peak yet, and you can actually walk around Chinatown or Marina Bay without feeling like you're inside a steam room by 11am. July to September is the opposite vibe — it's the southwest monsoon season, but paradoxically, rainfall is lighter and more predictable than you'd expect. Fewer tourists, cheaper hotels, and locals are out doing normal things instead of huddling indoors. The light quality is softer too, which sounds small but makes photography and just wandering around feel different.

Now, the months to genuinely avoid: May, November, and December. May is the transitional hell month — you get the tail end of one monsoon before the next one hits, so it's hot, humid, and erratically wet. November and December are the northeast monsoon at full throttle: heavy, sustained rainfall that can last for days, occasional flooding in low-lying areas, and the kind of humidity that makes your phone screen fog up. December's also peak tourist season before Christmas, so you're paying more to be rained on. I've done it, and it's not worth it.

Looking at 2026 specifically: Singapore's climate has been creeping warmer over the past decade, and rainfall patterns are becoming less predictable — some years wetter, some drier. If you're flexible, hitting February–March 2026 gives you the most statistically reliable window. But honestly, even in the "worse" months, Singapore runs like clockwork. The air conditioning is relentless, public transport is pristine, and you can still have a great time. It's just that you'll be navigating a lot more umbrellas and sweat.