Moroni weather in October

October in Moroni: sweltering, a little rain, with clean air — fine if you can take 38°C afternoons.

Updated September 2026 · climate normals from ERA5 reanalysis

Moroni🇰🇲 Comoros · Indian Ocean Islands · Island91
  1. 63Jan
  2. 72Feb
  3. 75Mar
  4. 77Apr
  5. 85May
  6. 88Jun
  7. 90Jul
  8. 93Aug
  9. 94Sep
  10. 91Oct
  11. 87Nov
  12. 79Dec

#3 of 12 months in Moroni · #113 of 1413 destinations to visit in October · comfort 91/100 (tier S)

Days
32°C
Nights
24°C
Wet days
10
Sun
11.6 h
Humidity
78%
Daylight
12 h
Moroni, Comoros
Photo: Woodlouse · CC BY-SA 2.0

Traveller notes on Moroni in October

Other months in Moroni

Forum posters describing Grande Comore note December through February brings the lowest hotel prices, generally a sign of the region's wetter, cyclone-season low period in the Southern Indian Ocean, with March sitting at the tail end of that stretch as conditions gradually improve. Posters contrast this with early October, explicitly within the dry season, describing around 28C heat with humidity near 100% in the island's forested interior even during that drier window. Given the limited March-specific detail available for Moroni, this note leans on that broader seasonal shape: expect March to still carry meaningful rain and humidity as the wet season winds down, improving but not yet at the dry-season comfort of the following months. Posters generally recommend a private taxi (negotiable from around 20 EUR) for the Moroni airport transfer and note a 30 EUR cash visa-on-arrival, practical logistics as relevant to a Moroni visit as the exact weather.
Tripadvisor community · March · 1 month ago · Read more on Tripadvisor ↗
Detailed trip reports for Comoros are genuinely scarce on the forum - one visitor recently back from Grande Comore specifically noted how hard it was to find much information about traveling there before their trip. Posters who have visited generally describe the islands as a warm, humid, little-touristed volcanic destination in the Indian Ocean. Given the sparse destination-specific detail, this note is grounded in the well-established regional pattern shared with nearby Indian Ocean islands: a drier, cooler southern-hemisphere-winter stretch roughly May through October, and September sits within that comparatively drier window, ahead of the hotter, wetter cyclone-season months from November through April.
Tripadvisor community · September · 1 month ago · Read more on Tripadvisor ↗

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

Moroni climate normals — October

Daytime high32°C / 90°F🔥 sweltering
Nighttime low24°C / 75°F
Feels like (high)38°C / 100°F
Sea temperature28°C / 82°F😎 warm sea
Rainfall33 mm / 1.3 in🌦 some rain
Rainy days10 days
Humidity78%💦 very humid
Dew point22°C / 72°F
Sunshine11.6 h/day
Daylight12.4 h
Wind11 km/h / 7 mph
Air quality (US AQI)32🍃 good

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

Crowds in Moroni in October

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.

Busyschool holidays in 4 of the markets that fill it, one of its best months for weather(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Moroni'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).

Best weatherMoroni's weather peaks August–October, best around September.

October includes Humpbacks in the channel.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Moroni in October

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

  • Nature

    Humpbacks in the channel

    1 Jul – 31 Oct · usuallyWhale season

    Humpbacks come up the Mozambique Channel to calve and are regularly seen from the Grande Comore coast road in the southern winter. Trips are small operators and dive boats rather than a whale-watching industry.

What's on around the world in October →

Where is Moroni?

Loading map…

Moroni in October — FAQ

Is October a good time to visit Moroni?
October in Moroni: sweltering, a little rain, with clean air — fine if you can take 38°C afternoons. It ranks #3 of 12 months for Moroni on SeasonMap's comfort score (91/100).
What is the weather like in Moroni in October?
In October, Moroni averages a daily high of 32.2°C and a low of 24°C, with about 33.1 mm of rain over roughly 9.7 rainy days.
What is the air quality in Moroni in October?
Moroni has a mean US Air Quality Index of about 32 in October.