Comoros

Comoros in December

Where it is warm, dry and good for swimming in Comoros in December — compared across the country’s main destinations.

Quick answers
Where is it warmest in Comoros in December?
Moroni is the warmest of the 16 destinations compared, with highs of 32°C (89°F) in December; Adda-Douéni is the coolest at 27°C (80°F).
Can you swim in the sea in Comoros in December?
Yes, in places: the warmest water is at Nioumachoua (29°C (84°F)), and 11 of the coastal destinations have a sea of 21 °C or more.
Warmest
32°
Moroni
Coolest
27°
Adda-Douéni
Driest
185 mm
Itsamia
Warmest sea
29°
Nioumachoua

Moroni is the warm end of Comoros in December (32°C (89°F)); Adda-Douéni the cool end (27°C (80°F)). On average it is about as warm as November. Rain is frequent in most destinations. Best bets this month: Moroni.

Weather in December by city

PlaceDayNightRainSeaScore
Nioumachoua 30° 22° 186 mm 29° 78
Itsamia 30° 23° 185 mm 29° 78
Hoani 31° 23° 199 mm 29° 78
Fomboni 31° 23° 199 mm — 78
Nkourani 31° 23° 189 mm 29° 78
Moutsamoudou 29° 22° 204 mm 29° 76
Tsimbeo 28° 21° 212 mm 29° 76
Domoni 28° 21° 195 mm — 76
Mirontsi 29° 22° 194 mm 29° 76
Adda-Douéni 27° 19° 208 mm — 76
Ouani 30° 23° 202 mm 29° 76
Sima 29° 22° 194 mm 29° 76
Koni-Djodjo 27° 19° 212 mm — 76
Moya 30° 22° 208 mm 29° 76
Barakani 30° 23° 202 mm 29° 76
Moroni 32° 24° 211 mm — 71

Public holidays in December

No nationwide public holidays this month.

Public holidays 2026 →

Frequently asked questions

What is the weather like in Comoros in December?

Average daytime highs range from 27° in Adda-Douéni to 32° in Moroni.

Can you swim in Comoros in December?

Yes — the sea is warmest around Nioumachoua at about 29°.