January marks the wettest month in the Seychelles with the islands in the middle of the Northwest Monsoon season, with light breezes blowing from the Northwest.
Temperatures average around 27 degrees with 402 mm of rainfall. Humidity can be quite high in January.
Some rainy days can certainly be expected during this time in the Seychelles and it can be expected to rain on average during 17 days in January. Rainfall tends to occur in short sharp downpours however although there may be days when it can be overcast for extended spells.