Väder i Colombo (Sri Lanka) i augusti
Colombo i augusti: tryckande hett, genomblött, med kvav luft — en chansning, med 28 regndagar.
Uppdaterad september 2026 · klimatnormaler från ERA5-reanalysen
Plats 7 av 12 månader i Colombo · plats 1153 av 1413 resmål att besöka i augusti · komfort 56/100 (nivå D)
- Dagar
- 30°C
- Nätter
- 26°C
- Regndagar
- 28
- Sol
- 9.6 h
- Luftfuktighet
- 86%
- Dagsljus
- 12 h

Så är augusti i Colombo
Still wet on this coast, while the surf season is at its best on the east side of the island.
monsoonlow season
tillförlitlighet: high
Resenärernas anteckningar om Colombo i augusti
Anteckningar från Bentota i närheten (59 km bort)
Colombo har inga egna anteckningar för augusti än — de här handlar om Bentota, nära nog att dela säsong.
Bentota forum threads describe August as bright and sunny most mornings, with cloud building through the afternoon and a real chance of showers by evening - not an all-day washout, but genuinely wet stretches happen too, and this coast sees frequent rain days through the month. The monsoon's bigger effect here is on the sea rather than the sky: ocean swimming turns unreliable due to rough surf and strong currents, though Bentota's sheltered lagoon and river keep watersports viable even on rough-ocean days. Forum consensus was that this window is still workable for a trip, just with beach plans built around the lagoon rather than open water.
Andra månader i Colombo
Regulars are specific that early in this month can still carry some of November's unsettled weather, with conditions typically clearing by mid-month - the same window where holiday-season prices also climb, a real trade-off between weather and cost. Our row backs that hot, genuinely wet read, 31C reading as a hot 36C, over 24.3C nights, with a substantial 146.6mm of rain across 16.2 days and humidity at 82 percent. Regulars are consistent this counts among the cooler, less humid stretches of the year here even though Sri Lanka stays humid year-round by most other standards. The sea sits at a warm, swimmable 28.8C regardless of which half of the month a trip lands in. The record: 9.5 hours of sun, a 12.7 kph wind and AQI 74.
Colombo-forum threads on April weather confirm this sits right at the hottest, most humid point of the year, the stretch just before the rains properly arrive, with afternoon temperatures regularly touching mid-30s and humidity climbing alongside it. Posters describe mornings as reliably bright and sunny, showers building through the afternoon and arriving as a brief, heavy downpour rather than an all-day event, more frequent as the month wears on. Regulars are consistent the first half of April runs noticeably more comfortable than the back half, worth front-loading a Colombo stretch of a longer Sri Lanka itinerary if the schedule allows. Light, breathable clothing and frequent water breaks are called essential regardless of which half of the month a trip lands in. The record: 32.3C days feeling like a punishing 39C, 25.7C nights, a notably high 161mm across over 25 days, a 30.6C sea and 82 percent humidity.
Sri Lanka-forum threads on November weather (Colombo specifically among the destinations discussed) confirm it's the rainiest month of the year islandwide, though posters note the second half of the month usually runs better than the first. Coastal, low-lying areas like Colombo stay hot and humid enough that regulars advise against proper waterproof rain gear, an umbrella doing the job better without trapping heat against the skin. Showers, when they arrive, are heavy but limited to a few hours, and by some estimates roughly two-thirds of November days still deliver enough sunshine. Swimming on the open southwest coast is a bad bet this month, seas staying rough until at least mid-December. The record actually runs far wetter than the two-thirds-sunny framing suggests: 30.7C days feeling like a punishing 37C, 24.3C nights, a notably high 400mm across nearly 25 days, 86 percent humidity, a 29.2C sea and 8.1 hours of sun.
March is one of the two sunniest months across Sri Lanka and a good one for the west coast, and the qualification regulars add is about humidity rather than rain: this is a tropical country and it gets very humid. Our row's 31.8C reads as 38C at 77 percent. On rain they describe the inter-monsoon pattern - mostly sunny with showers possible towards the evening that do not last long - which is how 90mm spread across 15.7 precipitation days can still read as a sunny month. North of Colombo runs hot and dry; the south-west gets the occasional shower. The record: 25C nights, 10.5 hours of sun, a 29.2C sea and AQI 111.
Lägg till din egen anteckning från Colombos kort på kartan.
Klimatnormaler för Colombo — augusti
Månadsmedelvärden från ERA5-reanalysen. AQI är månadens medelvärde för det amerikanska luftkvalitetsindexet.
Trängsel i Colombo i augusti
Hur mycket folk det är på själva platsen — skollov och storhelger, månaderna en redaktör har märkt upp, och hur eftertraktade vädret gör dem. Aldrig en del av komfortpoängen.
Lugntredaktionens lugna månad, Esala Perahera, August break i Sri Lanka
Mest folkMycket folkMellansäsongLugnt
Bästa månaderna för vädret i Colombo
Rankat efter resmålets egen klimatkomfortpoäng över året — något helt annat än hur trångt det blir (se Trängsel ovan).
Hyfsat väderVädret i Colombo toppar januari–mars, bäst kring februari.
Bäst väderHyfsat väderTuffast väder
På gång i Colombo i augusti
Återkommande säsongsevenemang, naturskådespel, stängningar och helger — utvalda och källhänvisade.
- Säsong
East coast season
1 maj – 30 sep · vanligtvisTorrsäsongWhile this coast is under the monsoon, the other side of the island is in its dry season: Trincomalee, Pasikudah and the surf at Arugam Bay are at their best exactly when Colombo is at its worst.
- Säsong
Southwest (Yala) monsoon
15 maj – 15 sep · vanligtvisRiskThe southwest monsoon soaks Colombo and the west and south coasts, with rain in heavy bursts and a sea too rough for the beach towns south of the city. Low season here, high season on the far side of the island.
- Festival
Esala Perahera
18–28 augReligiös högtidTrångtBoka tidigtTen nights of tusker elephants, whip-crackers, fire dancers and drummers processing through Kandy, three hours inland. Rooms along the route are sold a year ahead and the town is impassable on the last nights. Källa ↗
- Säsong
Wet season
MonsunRisk28 rainy days and about 227 mm in the month — the real kind of rainy season, not afternoon showers.
från klimatnormalerna
I närheten, och något är på gång
Inom 300 km från Colombo — en dagstur eller ett kort hopp — med något på gång den här månaden. Aldrig en del av komfortpoängen.
Var ligger Colombo?
Colombo i augusti — vanliga frågor
- Är augusti en bra tid att besöka Colombo?
- Colombo i augusti: tryckande hett, genomblött, med kvav luft — en chansning, med 28 regndagar. Månaden ligger på plats 7 av 12 för Colombo enligt SeasonMaps komfortpoäng (56/100).
- Hur är vädret i Colombo i augusti?
- I augusti har Colombo i snitt 30.4 °C som dagshögsta och 26.3 °C som nattlägsta, med ungefär 226.6 mm regn fördelat på cirka 27.7 regndagar.
- Hur är luftkvaliteten i Colombo i augusti?
- Colombo har ett genomsnittligt amerikanskt luftkvalitetsindex (AQI) på ungefär 55 i augusti.
Inom 300 km: Sigiriyas The Gathering at Minneriya, runt 15 jul – 30 sep och Trincomalees Blue and sperm whale season, runt 1 maj – 15 okt.