Väder i Hilton Head Island i augusti
Hilton Head Island i augusti: tryckande hett, genomblött, med kvav luft — helt okej om du står ut med 13 regndagar.
Uppdaterad september 2026 · klimatnormaler från ERA5-reanalysen
Plats 7 av 12 månader i Hilton Head Island · plats 792 av 1413 resmål att besöka i augusti · komfort 76/100 (nivå B)
- Dagar
- 31°C
- Nätter
- 25°C
- Regndagar
- 13
- Sol
- 10.7 h
- Luftfuktighet
- 82%
- Dagsljus
- 13 h

Resenärernas anteckningar om Hilton Head Island i augusti
Andra månader i Hilton Head Island
Regulars are specific it's genuinely the humidity more than the raw heat that makes this month tough, though a steady breeze helps take the edge off, evening thunder showers a near-daily feature that typically clear within 10 to 30 minutes rather than settling in. Our row backs that hot, genuinely wet read, 32.2C reading as a scorching 37C, over 25.3C nights feeling 30C, with a substantial 203.4mm of rain across 10.5 days and humidity at 79 percent. Regulars are consistent both the very start and the later weeks of the month run noticeably more crowded, a quieter mid-month stretch the practical workaround for anyone avoiding peak traffic. The sea sits at a bath-warm 30.4C. The record: 11.9 hours of sun, an 18.7 kph wind and AQI 68.
Regulars call this a genuinely nice month - hot, but not July or August hot, with a steady ocean breeze regulars credit for keeping the beach comfortable even as humidity builds through the month. Our row backs the heat, 30.5C reading as 35C at 78.3 percent humidity, over 23.5C nights, with 139.9mm of rain across 9.6 days. The sea is refreshingly cool rather than warm at 26C, murky enough that stingrays are only visible in the shallowest water. Gnats are the one insect regulars flag as temperature-triggered rather than seasonal outright - worst in the low seventies Fahrenheit, so a cooler June week can bring them out where a hotter one keeps them away. Beaches stay noticeably less crowded than July. The record: 11.5 hours of sun, a 19.8 kph wind and AQI 54.
Asked whether hurricane season should put them off September, regulars answer with geography and lead time rather than reassurance: the island sits in an unlikely spot for a direct landfall, and a storm that does threaten gives several days of warning, so the decision can be made late. What they sell the month on is the emptiness - the summer crowds have gone, the water is still warm at 28.2C, and the temperatures are comfortable at 29.4C over 22.8C. They are also honest that September is among the wettest months, quoting about five inches; our row has 157.2mm falling across just 7.1 days, twenty-two millimetres each. The record: humidity 79 percent, 9.9 hours of sun and a 19.8 kph wind.
October is the month locals name for Hilton Head, and their figure - an average high of 76F, usually in the 70s and sometimes the 80s - sits just under our row's 25.7C. The water is the part that changes through the month: still warm enough to swim in early October, down to the high 60s Fahrenheit by the end, with our 22.7C the average of the two. Everything else about the month is quieter. The children are back at school, so the crowd turns to golf and tennis, and rates and rentals are discounted. On hurricanes they are matter-of-fact: this is officially the last month of the season, and residents point out the island has not had one in over a century and has evacuated twice in thirty years. The record: 18.2C nights, 77.8mm across just 4.8 precipitation days, 9.1 hours of sun and AQI 41.
Lägg till din egen anteckning från Hilton Head Islands kort på kartan.
Klimatnormaler för Hilton Head Island — augusti
Månadsmedelvärden från ERA5-reanalysen. AQI är månadens medelvärde för det amerikanska luftkvalitetsindexet.
Trängsel i Hilton Head Island 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.
Mest folkSchool-holiday season, Summer break i United States, skollov i 2 av marknaderna som fyller platsen(uppskattat)
Mest folkMycket folkMellansäsongLugnt
Bästa månaderna för vädret i Hilton Head Island
Rankat efter resmålets egen klimatkomfortpoäng över året — något helt annat än hur trångt det blir (se Trängsel ovan).
Hyfsat väderBästa vädret i Hilton Head Island kommer i april, maj och oktober — separata fönster, inte en sammanhängande säsong.
Bäst väderHyfsat väderTuffast väder
På gång i Hilton Head Island i augusti
Återkommande säsongsevenemang, naturskådespel, stängningar och helger — utvalda och källhänvisade.
- Natur
Loggerhead nesting
1 maj – 31 oktSköldpaddornas äggläggningA couple of hundred loggerhead nests a season, laid from May and hatching through October. A volunteer patrol walks the twelve miles of beach at first light marking the new ones.
- Regel
Beachfront lights-out rule
1 maj – 31 oktAny light visible from the sand has to be shielded or off between 10pm and 6am through nesting season, which is why oceanfront rentals come with blackout blinds and no torches on the beach after dark. Källa ↗
- Säsong
Sea warm enough
1 jun – 10 okt · vanligtvisThe Atlantic here is swimmable from June and stays that way well past Labor Day. What changes in early autumn is the number of people on the sand, not the water.
- Risk
Atlantic hurricane season
1 jun – 30 novDirect hits on this stretch of the South Carolina coast are rare, but the island is flat, low and reached by one causeway, so evacuation orders come early and often. September is the month that matters. Källa ↗
- Säsong
School-holiday season
5 jun – 20 augSkollovTrångtBoka tidigtThe island runs on the school calendar: bike paths busy by nine, beach clubs full, and rentals let by the week from Saturday to Saturday, which is why every road on and off jams on the same morning.
I närheten, och något är på gång
Inom 300 km från Hilton Head Island — en dagstur eller ett kort hopp — med något på gång den här månaden. Aldrig en del av komfortpoängen.
Var ligger Hilton Head Island?
Hilton Head Island i augusti — vanliga frågor
- Är augusti en bra tid att besöka Hilton Head Island?
- Hilton Head Island i augusti: tryckande hett, genomblött, med kvav luft — helt okej om du står ut med 13 regndagar. Månaden ligger på plats 7 av 12 för Hilton Head Island enligt SeasonMaps komfortpoäng (76/100).
- Hur är vädret i Hilton Head Island i augusti?
- I augusti har Hilton Head Island i snitt 31.3 °C som dagshögsta och 25.1 °C som nattlägsta, med ungefär 195.1 mm regn fördelat på cirka 12.7 regndagar.
- Hur är luftkvaliteten i Hilton Head Island i augusti?
- Hilton Head Island har ett genomsnittligt amerikanskt luftkvalitetsindex (AQI) på ungefär 57 i augusti.
Inom 300 km: Jacksonvilles Loggerhead nesting, 1 maj – 31 okt och Myrtle Beachs Loggerhead nesting, 1 maj – 31 okt.