Clima em Jacó em dezembro
Jacó em dezembro: muito quente, encharcado, com ar limpo — vale a pena se você encarar 29 dias de chuva.
Atualizado em setembro de 2026 · normais climáticas da reanálise ERA5
5º de 12 meses em Jacó · 681º de 1413 destinos para visitar em dezembro · conforto 72/100 (tier B)
- Dias
- 28°C
- Noites
- 24°C
- Dias de chuva
- 29
- Sol
- 9.9 h
- Umidade
- 86%
- Luz do dia
- 12 h

Notas de viajantes sobre Jacó em dezembro
Regulars are specific this area reads as genuinely drier than areas further south along the same coast, where the rainy season doesn't properly end until mid-to-late December, though conditions here have shifted from the old reputation of reliably rain-free North winds - even the tail end of the month can now bring real rain some years. Our row backs that hot, genuinely wet read, 27.6C reading as a scorching 33C, over 24C nights feeling 29C, with a substantial 278.6mm of rain across 28.5 days and humidity at 86 percent. Regulars are consistent Costa Rica's weather is genuinely location-dependent given how many separate weather systems affect the country, no single verdict applying evenly countrywide. The sea sits at a bath-warm 29.1C. The record: 9.9 hours of sun, a 9.7 kph wind and AQI 32.
Outros meses em Jacó
The consensus on April for this coast is that it is transitional - not the driest, nowhere near the wettest - and our row proves it exactly: 242.9mm here against 581.8mm in May and 829.3mm in October. What the numbers cannot show is the timing, and the board supplies it: rain on the central Pacific coast comes in the afternoon or overnight, it is warm rain, and the weather apps that promise rain all day every day are wrong about the shape while right about the odds. Our 27.6 rainy days is that same statement. Pack fast-drying clothes rather than cotton, and something light to keep it off. Heat holds at 29.1C reading as 36C, with a 30.3C sea. The record: humidity 83 percent, 10.4 hours of sun and AQI 36.
January opens the hottest, driest run of the Costa Rican year, with strong sun and lower humidity - and regulars still say to expect some rain most days, generally in the afternoon or at night. Our 22.2 precipitation days across 120.4mm is that, five millimetres a day, and one visitor's accounting is the clearest version: roughly eight hours of rain across a week, five of them after dark. Their weather apps had predicted rain daily. The date worth knowing is the 6th: the first days of January are peak holiday travel, and waiting until after about then means the Christmas crowds have gone and prices ease, though it stays high season. A light poncho and a small umbrella cover it. The record: 28.4C over 24.4C reading as 34C, a 28.9C sea and AQI 33.
March is inside the driest and hottest stretch of the Costa Rican year, and our row's 19.7 precipitation days would say otherwise until you read the phrase regulars use: intermittent thunderstorms that do not produce much rain. That is 87.4mm spread across those days, under five millimetres each. Being socked in for days would be strange now; rain is always possible and rarely severe. What the dry season does bring is heat on the coast - 29.6C over a 25.4C night reads as 36C and 30C at 77 percent humidity, and with the Pacific at 29.9C there is nothing cool to get into. Their own figures, high 80s by day and mid 70s at night, match ours closely. The record: 11 hours of sun, a 12.4 kph wind and AQI 38.
Jacó-area forum threads describe August as one of the milder rainy-season months on the Central Pacific coast - the typical pattern is clear mornings, afternoon showers lasting 2-4 hours starting around 4pm, and starry evenings, with more of the day turning wet as the month progresses toward September. One local detail worth knowing: heavy rain washes mud down from the hills, which can turn even normally turquoise water like nearby Playa Blanca temporarily brown. Forum consensus was to schedule outdoor activities for the morning and treat the afternoon rain as background noise rather than a trip-ender, with lush green scenery and thinner crowds as the trade-off.
Adicione a sua nota pelo card de Jacó no mapa.
Normais climáticas de Jacó — dezembro
Médias mensais da reanálise ERA5. O AQI é a média do US Air Quality Index no mês.
Lotação em Jacó em dezembro
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.
Lotação máximaDry season, Christmas and New Year, férias escolares em 3 dos países que mais mandam visitantes(estimado)
Lotação máximaMovimentadoMeia-estaçãoTranquilo
Melhores meses para o clima em Jacó
Ranking pela própria nota de conforto climático deste destino ao longo do ano — algo diferente do quanto ele lota (veja Lotação acima).
Clima razoávelO clima em Jacó fica no auge de janeiro a março, com o melhor momento por volta de fevereiro.
Melhor climaClima razoávelClima mais difícil
O que acontece em Jacó em dezembro
Eventos sazonais recorrentes, espetáculos naturais, fechamentos e feriados — com curadoria e fonte.
- Natureza
Olive ridley nesting
15 Ago – 15 Dez · normalmenteDesova de tartarugasOlive ridleys nest on Playa Hermosa from August, heaviest through September and October, and the hatchery releases at dusk. The beach is patrolled at night and you go with the project or not at all.
- Temporada
Dry season
15 Dez – 15 Abr · normalmenteLotadoThe rivers drop, the hills behind the town go brown and dusty, and the place runs at capacity from Christmas through to Easter. Weekends are San Jose's as much as anyone's.
- Feriado
Christmas and New Year
18 Dez – 3 JanNatal e Ano-NovoLotadoReserve cedoCosta Rican families take the whole fortnight at the beach and rates roughly double. The town is at its loudest between Christmas and the first week of January. Fonte ↗
- Temporada
Wet season
MonçãoRisco29 rainy days and about 279 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 Jacó — um bate-volta ou um pulo rápido — com algo acontecendo neste mês. Nunca entra na nota de conforto.
Onde fica Jacó?
Jacó em dezembro — perguntas frequentes
- É uma boa época para visitar Jacó em dezembro?
- Jacó em dezembro: muito quente, encharcado, com ar limpo — vale a pena se você encarar 29 dias de chuva. É o 5º de 12 meses para Jacó na nota de conforto do SeasonMap (72/100).
- Como é o clima em Jacó em dezembro?
- Em dezembro, Jacó tem máxima média de 27.6°C e mínima de 24°C, com cerca de 278.6 mm de chuva em aproximadamente 28.5 dias chuvosos.
- Como é a qualidade do ar em Jacó em dezembro?
- Em dezembro, Jacó tem um Índice de Qualidade do Ar (US AQI) médio de cerca de 32.
Num raio de 300 km: Arribada at Ostional (Nosara), por volta de 1 Jul – 31 Dez e Coffee harvest (Boquete), por volta de 1 Out – 28 Fev.