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Seasonal Weather in Phnom Penh: What to Expect Throughout the Year

@Amelie Rose2/7/2026blog

anyway, i'm standing on the street in Phnom Penh, sweat pooling at the base of my yoga mat, and trying to keep the mango shakes from melting before i can even say 'namaste'. The city feels like a giant sauna that never turns off - humidity around 80% most of the year, the heat index spiking past 40°C (yeah, you read that right) during the dry season, and the rain just decides to squat in your living room for weeks if you happen to be in the wrong month. The locals don't call it 'weather' - they call it 'the daily shuffle' - because it's more about adapting than about predicting.

*Heat & humidity


If you think 30°C is comfortable, you haven’t lived in the city center. The temperature rarely dips below 27°C at night, and the sunrise feels like a kettle on the boil. I keep my daily vinyasa sessions at 6 a.m., when the air is still a little crisp, but by 10 a.m. the sun is already giving you a forehead‑to‑back massage. The biggest takeaway for anyone who doesn’t own a personal air‑conditioning unit: the heat is relentless, and it’s the perfect excuse to hide in the endless rows of shaded cafés, but don’t expect the Wi‑Fi to be as strong as the steam.

- Rental reality: A decent studio (one bedroom, one bathroom) runs around $300‑$350 a month in the central neighborhoods like Boeng Keng Kong and the riverside Tonle Sap area. If you want a two‑bedroom, think $500‑$600, and you’ll probably end up sharing walls with a neighbor who loves to crank the AC up to ice‑cream level. That’s the whole budget‑student vibe - you’re grateful you have a ceiling fan, but you keep a towel on hand for every opening‑the‑door blast.
- Job market odds: Tourism is booming; NGOs are always looking for expats with soft‑skills like patience and a decent command of English. The call‑center scene is also expanding, especially in the tech‑hub Sankang. If you’re a yoga instructor with a decent Instagram following, you can get a gig at a boutique studio for $10‑$15 an hour, plus the perk of free class swaps (yes, i’ve traded a sunrise flow for a dinner at a Khmer‑style BBQ).
- Safety notes: Petty theft pops up like street vendors selling snacks, but violent crime is pretty low. You won’t get mugged walking down a main boulevard at night, but you’ll want to keep your phone and wallet on your belt and not in your back pocket. The police are usually friendly if you need help, and the whole vibe is laid‑back enough to let you forget your passport for a few minutes, but still watchful enough to catch a stray cat on a motorbike.

Monsoon the city’s uninvited guest


The wet season officially kicks in around early April and doesn’t say goodbye until October. In my first month here, the sky turned a permanent gray and the streets turned into improvised canals every time a cloud decided to overstay its welcome. On my last “rain‑check” commute, I spent three hours wading through a puddle that was literally knee‑deep, while a vendor shouted “Bike‑taxi, dry‑again!” in Khmer, and i didn’t even know which side of the river was Kampong Speu or Tonle Sap.

- Rain‑specific tips: Keep a waterproof bag in your backpack, and never trust the old phrase “one‑day‑rain, one‑day‑sun.” The pattern is rain‑rain‑rain, then a few‑days‑dry, then repeat. A good pair of gumboots is cheap - about $5 on the market - but don’t forget a dry towel for your phone; you’ll be surprised how fast a cheap cover can turn into a mushy mess.
- Overheard gossip: The temple at Wat Phnom is still open even when the water’s two feet deep - just bring your own sandals. Another tip: If you need a cheap taxi, the tuk‑tuk drivers are already holding a bucket of water, so ask them to stay dry and you’ll get a discount.
- Flight‑away perspective: A short flight to Siem Reap (about 30 minutes) drops the humidity from 80% to 60% and brings you a breezy 25°C. The Angkor temples feel like a breather after the city’s constant steam, so think of it as a cool‑pocket escape. Or hop on a bus to Kampong Cham - a few hours north, and you’ll find hills that are mountain‑ish enough for a proper wind‑up that even your lungs will thank you.

Cool pockets within the steam


While the city is basically a gigantic sauna, you can still find a few shady spots that give you a reprieve. The Borei Keng Kong park is a decent place for a morning jog (just avoid the mangrove area after a downpour) and the Sovannaphum rooftop bar stays open until 2 am, offering a chill breeze if you’re lucky enough to score a table under the awnings. For a weekend getaway, drive an hour to Kampot - the pepper fields, the river, and the cooler 28°C nights are a revelation.

- Drunk advice: Never trust a night market that promises a free umbrella - you’ll end up walking home with a soggy straw hat. A local bartender once warned me that the spicy street food gets even hotter when the humidity spikes, so keep the water close, not the fire.
- Overheard rumor: The new government building at St. Maurice is said to have a secret ventilation system that keeps the inside temperature 10°C lower than the outside - only for the elite, of course. (Laughs.)
- Real‑world data: According to the latest Global Peace Index (2024), Phnom Penh ranks 115th out of 163 for safety - which translates to low‑risk for most travelers. The average monthly rent for a one‑bedroom apartment in the central area is $325, and the cost‑of‑living index sits at 45 (U.S. = 100), meaning you can get a decent mid‑range meal for about $5‑$7.

TripAdvisor guide to Phnom Penh - if you need a quick, crowd‑sourced summary of the best neighborhoods.

Yelp review of Kombo Street Food - the go‑to spot for fish amok that won’t melt your shoes.

r/Cambodia subreddit thread on rainy season tips - locals spill the beans on which tuk‑tuk drivers actually know how to avoid the flood zones.

Sangkat Business Hub job board* - a surprisingly active site for tech and tourism gigs.

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About the author: Amelie Rose

Exploring the intersection of technology and humanity.

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