Clima em Colombo (Sri Lanka) em maio
Colombo em maio: escaldante, encharcado, com ar abafado — não é a hora — 29 dias de chuva.
Atualizado em setembro de 2026 · normais climáticas da reanálise ERA5
12º de 12 meses em Colombo · 1334º de 1413 destinos para visitar em maio · conforto 43/100 (tier F)
- Dias
- 31°C
- Noites
- 26°C
- Dias de chuva
- 29
- Sol
- 8.6 h
- Umidade
- 86%
- Luz do dia
- 12 h

Como é maio em Colombo
The southwest monsoon arrives: the wettest weeks on this coast, and the point at which the east of the island becomes the better plan.
monsoonlow season
confiança: high
Notas de viajantes sobre Colombo em maio
Notas de Nuwara Eliya, aqui perto (a 103 km)
Colombo ainda não tem notas próprias sobre maio — estas são de Nuwara Eliya, perto o bastante para ter a mesma estação.
Nuwara Eliya-forum threads on early May weather describe daytime readings as comfortably cool, typically high teens to low twenties, though a cloudy day can push things down toward fifteen. Regulars call this genuinely one of the more reliably damp stretches locally, real showers or thunderstorms likely on most days rather than the exception. Posters describe the town's reputation for persistently cool, moist conditions as well earned, though May specifically adds a heavier rain pattern on top of the usual chill. Regulars recommend real waterproof layers and proper boots given how muddy trails turn after a system, tea plantation walks especially prone to slick footing. Posters call nights genuinely brisk, typically dropping into single digits, a real jacket essential after dark. Regulars recommend flexible outdoor plans given how unpredictable timing runs. The record: 21.3C days feeling like 24C, 13.8C nights, an extraordinarily high 326.7mm across 29 days and 87 percent humidity.
Outros meses em 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.
Adicione a sua nota pelo card de Colombo no mapa.
Normais climáticas de Colombo — maio
Médias mensais da reanálise ERA5. O AQI é a média do US Air Quality Index no mês.
Lotação em Colombo em maio
O quanto o próprio lugar fica cheio — férias escolares e feriados de massa, os meses marcados pela editoria e o quanto o clima faz o lugar ser procurado. Nunca entra na nota de conforto.
Tranquiloo mês tranquilo segundo a editoria, férias escolares em 2 dos países que mais mandam visitantes
Lotação máximaMovimentadoMeia-estaçãoTranquilo
Melhores meses para o clima em Colombo
Ranking pela própria nota de conforto climático deste destino ao longo do ano — algo diferente do quanto ele lota (veja Lotação acima).
Clima mais difícilO clima em Colombo fica no auge de janeiro a março, com o melhor momento por volta de fevereiro.
Melhor climaClima razoávelClima mais difícil
O que acontece em Colombo em maio
Eventos sazonais recorrentes, espetáculos naturais, fechamentos e feriados — com curadoria e fonte.
- Festival
Vesak
30–31 MaiFesta religiosaFechamentosThe Buddha's birth, enlightenment and death marked with paper lanterns outside every house and free food stalls, dansal, set up on the roadsides. Alcohol sales stop and meat comes off many menus for the poya. Fonte ↗
- Temporada
East coast season
1 Mai – 30 Set · normalmenteEstação secaWhile 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.
- Temporada
Southwest (Yala) monsoon
15 Mai – 15 Set · normalmenteRiscoThe 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.
- Temporada
Wet season
MonçãoRisco29 rainy days and about 359 mm in the month — the real kind of rainy season, not afternoon showers.
com base nas normais climáticas
Aqui perto, tem coisa acontecendo
A até 300 km de Colombo — um bate-volta ou um pulo rápido — com algo acontecendo neste mês. Nunca entra na nota de conforto.
Onde fica Colombo?
Colombo em maio — perguntas frequentes
- É uma boa época para visitar Colombo em maio?
- Colombo em maio: escaldante, encharcado, com ar abafado — não é a hora — 29 dias de chuva. É o 12º de 12 meses para Colombo na nota de conforto do SeasonMap (43/100).
- Como é o clima em Colombo em maio?
- Em maio, Colombo tem máxima média de 31.4°C e mínima de 26.1°C, com cerca de 359.4 mm de chuva em aproximadamente 29.4 dias chuvosos.
- Como é a qualidade do ar em Colombo em maio?
- Em maio, Colombo tem um Índice de Qualidade do Ar (US AQI) médio de cerca de 57.
Num raio de 300 km: Adam's Peak pilgrimage season (Nuwara Eliya), por volta de 5 Dez – 10 Mai e Blue and sperm whale season (Trincomalee), por volta de 1 Mai – 15 Out.