Vejret i Jacó i august
Jacó i august: trykkende hedt, gennemblødt, med ren luft — et gamble, med 31 regnvejrsdage.
Opdateret september 2026 · klimanormaler fra ERA5-reanalysen
Nr. 9 af 12 måneder i Jacó · Nr. 1101 af 1413 rejsemål at besøge i august · komfort 59/100 (niveau D)
- Dage
- 28°C
- Nætter
- 25°C
- Våde dage
- 31
- Sol
- 7.9 h
- Luftfugtighed
- 89%
- Dagslys
- 12 h

Noter fra rejsende om Jacó i august
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.
Andre måneder i Jacó
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.
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.
Tilføj din egen note fra Jacó på kortet.
Klimanormaler for Jacó — august
Månedsgennemsnit fra ERA5-reanalysen. AQI er det gennemsnitlige amerikanske luftkvalitetsindeks for måneden.
Travlhed i Jacó i august
Hvor travlt der er på selve stedet — skoleferier og masseferier, de måneder en redaktør har markeret, og hvor eftertragtet vejret gør dem. Aldrig en del af komfortscoren.
Skuldersæsonskoleferie på 3 af de markeder, der fylder stedet, en helt almindelig måned(anslået)
TætpakketTravltSkuldersæsonStille
Bedste måneder for vejret i Jacó
Rangeret efter dette rejsemåls egen klimakomfortscore året igennem — noget andet end, hvor travlt der bliver (se Travlhed ovenfor).
Pænt vejrVejret i Jacó topper januar–marts, bedst omkring februar.
Bedste vejrPænt vejrHårdeste vejr
Det sker i Jacó i august
Tilbagevendende sæsonbegivenheder, naturfænomener, lukninger og helligdage — kurateret og med kilder.
- Sæson
South swell season
1. apr. – 31. okt. · normaltSurfsæsonThe southern-hemisphere swells arrive through the middle of the year. Playa Hermosa a few minutes down the coast is the serious wave and holds national contests; Jaco's own beach is where people learn.
- Sæson
Green season
1. maj – 30. nov. · normaltMonsunMornings stay clear and the rain comes after lunch, hard and short. Rates drop by a third, the hills opposite turn over, and September and October are the two months that genuinely stay grey.
- Natur
Humpback whales
15. jul. – 15. nov. · normaltHvalsæsonSouthern-hemisphere humpbacks calve along this coast from July into November, which with the northern group arriving December to March gives Costa Rica one of the longest whale seasons anywhere.
- Natur
Olive ridley nesting
15. aug. – 15. dec. · normaltSkildpaddeyngelOlive 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.
- Sæson
Wet season
MonsunRisiko31 rainy days and about 754 mm in the month — the real kind of rainy season, not afternoon showers.
fra klimanormalerne
Lige i nærheden sker der noget
Inden for 300 km fra Jacó — en dagstur eller et kort hop — hvor der sker noget denne måned. Aldrig en del af komfortscoren.
Hvor ligger Jacó?
Jacó i august — ofte stillede spørgsmål
- Er august et godt tidspunkt at besøge Jacó?
- Jacó i august: trykkende hedt, gennemblødt, med ren luft — et gamble, med 31 regnvejrsdage. Måneden ligger nr. 9 ud af 12 for Jacó på SeasonMaps komfortscore (59/100).
- Hvordan er vejret i Jacó i august?
- I august har Jacó i gennemsnit en dagtemperatur på 27.7 °C og en nattemperatur på 24.5 °C, med omkring 754.2 mm regn fordelt på cirka 31 regnvejrsdage.
- Hvordan er luftkvaliteten i Jacó i august?
- Jacó har et gennemsnitligt amerikansk luftkvalitetsindeks på omkring 26 i august.
Inden for 300 km: Nosara's Arribada at Ostional, omkring 1. jul. – 31. dec. og Tortuguero's Green turtle nesting, 1. jul. – 31. okt..