Karachi in the monsoon is hot, humid and mostly dry with occasional very heavy bursts, and the city handles them badly. The rains are short and irregular, but when a big spell arrives roads flood within hours, power can go for a day, and the sea is dangerous. July and August are the wettest months, so plan those weeks with a buffer and an indoor list.
This guide covers what the weather does, what happened in the worst recent event, what stays open, and what to do when the rain arrives. For the rest of the year, see our Karachi weather by month guide.
| At a glance | |
|---|---|
| Monsoon season | Roughly July to September; the PMD declared 2026's monsoon from 1 July |
| Wettest months | July (about 86 mm) and August (about 105 mm) on average |
| Annual rainfall | About 296 mm, most of it in the monsoon |
| Typical highs | Around 32 to 34 C in July and August |
| Main risks | Urban flooding, power cuts, rough sea, wall collapses |
| Crowd levels | Low for tourism, with fewer beach trips |
What is the weather like in Karachi during the monsoon?
Karachi is a dry city with a short wet season. Averages from Wikipedia's climate data put July at about 86 mm and August at about 105 mm, with the whole year near 296 mm. That means most days in the monsoon are dry, cloudy and sticky, with highs of 32 to 34 C, and the rain arrives in a few spells.
Humidity is high year-round on the coast, and it feels heavier in the monsoon. The sea breeze helps in the evening. The PMD issues spell-by-spell forecasts, and in 2026 it warned of rain and thunderstorms with isolated moderate to heavy falls in Karachi from the evening of 31 July to 2 August, along with urban flooding in Sindh cities and advice for tourists to be careful. Check the PMD forecast a few days ahead, not a season ahead.
How bad does the flooding get?
Averages hide the risk. On 19 and 20 August 2025, Karachi recorded between 150 and 259 mm in places, the most in 24 hours in over four decades, according to reports at the time. At least 17 people died, mostly from wall collapses and electrocution, schools and colleges were ordered shut, major roads including Shahrah-e-Faisal were submerged, and some areas were without power for more than 24 hours. The mayor said the city's drains can handle only about 40 mm.
The lesson for a visitor is practical. A single storm can cancel a day, and a long one can cancel two. Do not schedule a flight, a wedding or an appointment on the assumption that you can cross the city in a set time.
What stays open, and what does not?
- Airport and flights. Heavy rain can delay flights and road access. Leave extra time to reach the airport, and see our airport arrival guide.
- Museums, malls and cafes. These stay open unless there is an official closure, and they are where most people go.
- Beaches. Rough sea makes swimming dangerous. Authorities have banned swimming at unguarded beaches during high tides, for example five beaches in June 2025. Read our guides on swimming safety and the beach ban.
- Schools and offices. Closures are announced at short notice during heavy spells.
What to do on a rainy day in Karachi
Karachi has enough indoor options to fill a wet day:
- The museums of Karachi, including the National Museum and the Maritime Museum.
- A cafe morning or a long breakfast. See our best breakfast in Karachi guide.
- A covered market visit, such as Empress Market, if the roads to Saddar are passable.
- Indoor family options such as those listed in our guide to places to visit in Karachi with family.
- Food. Rain is when many people go out for pakoras, chai and hot snacks, and our street food guide covers where.
Practical tips for staying safe and comfortable
- Pack light, quick-dry clothes and an umbrella. Sandals will get soaked in flooded streets, so consider shoes you can wash.
- Waterproof your phone and documents. A zip bag is enough.
- Keep away from walls, hoardings and exposed wires. These caused most of the deaths in the August 2025 event.
- Charge power banks in advance. Power cuts can last a day in some areas.
- Book a hotel in a higher, central area if you can. Low-lying areas flood first. Our where to stay guide covers areas.
- Book ride-hailing early, or wait. Expect longer waits when it rains hard.
- Avoid underpasses in heavy rain. They collect water first.
Is the monsoon a good time to visit Karachi?
It is not the best time, and it is not the worst. It can be pleasant, with cooler and cloudier days and fewer people at attractions, but a heavy spell can wreck a plan. If you are choosing a season, our when to go page compares regions. Winter is the usual pick for a first trip, and our weather guide shows why.
If you are already coming in July or August, go, but keep the first day loose and look for a hotel that lets you change dates.
Frequently asked questions
When does the monsoon start in Karachi?
The PMD declared 2026's monsoon from 1 July, and the season runs to about September. In Karachi, rain is irregular, and some early spells miss the city entirely.
Which months are the wettest in Karachi?
July and August, with averages of about 86 mm and 105 mm respectively.
Does Karachi flood in the monsoon?
Yes. Karachi's drains handle around 40 mm according to its mayor, and the city floods in heavy spells. The worst recent event was 19 and 20 August 2025.
Can I go to the beach in the monsoon?
The sea is rough, and swimming is dangerous, so stay out of the water. Authorities restrict beaches when tides are high, so check the current notices.
What should I pack for Karachi in the monsoon?
Light, quick-drying clothes, an umbrella, waterproof shoes and a power bank.
