Adamstown (Pitcairn) weather in August

August in Adamstown: nice, rainy, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Adamstown Pitcairn Islands · South Pacific · Island80
  1. 84Jan
  2. 83Feb
  3. 81Mar
  4. 80Apr
  5. 80May
  6. 79Jun
  7. 78Jul
  8. 80Aug
  9. 83Sep
  10. 83Oct
  11. 84Nov
  12. 82Dec

#10 of 12 months in Adamstown · #660 of 1413 destinations to visit in August · comfort 80/100 (tier A)

Days
21°C
Nights
20°C
Wet days
10
Sun
9 h
Humidity
73%
Daylight
11 h
Adamstown, Pitcairn Islands
Photo: Makemake at de · CC BY-SA 3.0

Traveller notes on Adamstown in August

Other months in Adamstown

Pitcairn's forum is mostly logistics questions about the supply ship, not weather chat, so there isn't much first-hand July commentary out there. What I can say from the island's own climate record is that July sits in Pitcairn's cooler, breezier season - daytime highs in the low 20s C rather than the muggier low-30s heat visitors describe for the southern summer months. Expect a stiff onshore wind most days and a shower or two, but nothing like a tropical downpour; the sea stays swimmable even if it's a notch cooler than peak summer.
SouthPacificSailor · July · 1 month ago · Read more on Tripadvisor ↗
Trip reports for Adamstown, the only settlement on Pitcairn Island and home to fewer than 50 people, are extremely thin on the forum, and what discussion exists focuses almost entirely on whether ocean swells allow tenders to land at all rather than on air temperature - posters describe ships passing by unable to put passengers ashore because of rough seas, and visits getting cut short when the sea turns rough in the afternoon. Given how little destination-specific weather detail exists, this note is grounded in the well-established regional pattern for this remote South Pacific island: a warm, humid, fairly stable tropical-to-subtropical climate year-round, with January falling in the hotter, more humid half of the year. The real planning risk here is less about temperature and much more about whether swell conditions permit a landing at all.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Adamstown's card on the map.

Adamstown climate normals — August

Daytime high21°C / 70°F😎 nice
Nighttime low20°C / 67°F
Feels like (high)20°C / 68°F
Sea temperature22°C / 72°F🙂 pleasant
Rainfall89 mm / 3.5 in🌧 rainy
Rainy days10 days
Humidity73%💧 humid
Dew point15°C / 59°F
Sunshine9 h/day
Daylight11.3 h
Wind31 km/h / 19 mph
Air quality (US AQI)50🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Adamstown in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Adamstown's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherAdamstown's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

JFMAMJJASOND

What's on in Adamstown in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Rule

    Landing depends on the swell

    1 Jan – 31 DecClosures

    Everything and everyone comes ashore by longboat through the surf at Bounty Bay. When the swell is up the captain calls it off, and a scheduled visit becomes a slow lap of the island from the rail. Source ↗

  • Rule

    Quarterly ship from Mangareva

    1 Jan – 31 DecBook early

    The MV Silver Supporter is the only scheduled way in, running in quarterly blocks from Mangareva in French Polynesia and timed to the weekly Air Tahiti flight. Twelve berths, so dates are taken a long way ahead. Source ↗

What's on around the world in August →

Where is Adamstown?

Loading map…

Adamstown in August — FAQ

Is August a good time to visit Adamstown?
August in Adamstown: nice, rainy, with clean air — an excellent time to visit. It ranks #10 of 12 months for Adamstown on SeasonMap's comfort score (80/100).
What is the weather like in Adamstown in August?
In August, Adamstown averages a daily high of 20.9°C and a low of 19.6°C, with about 89.2 mm of rain over roughly 10 rainy days.
What is the air quality in Adamstown in August?
Adamstown has a mean US Air Quality Index of about 50 in August.