January weather forecast
Reunion

January in Reunion is at the height of the austral summer, making it one of the hottest months of the year. In coastal areas, temperatures typically range from 25°C (77°F) to 30°C (86°F). The inland regions are somewhat cooler, with temperatures varying from 19°C (66.2°F) to 24°C (75.2°F).

One of the island's principal cities, Saint-Denis, located on the northern coast, experiences similar weather patterns, with high temperatures and considerable humidity. Saint-Pierre, situated on the southern coast, also follows these temperature patterns but might experience slightly cooler conditions due to its location.

January is also one of the wettest months in Reunion. The eastern coast and mountainous areas experience the most rainfall, with some locations recording precipitation levels as high as 350mm (13.78") to 500mm (19.69"). The western coast, in contrast, receives significantly less rainfall, illustrating the dramatic difference in weather conditions across the island.

Moreover, January falls within the cyclone season, which typically extends from November to April. Thus, the island may experience extreme weather conditions, including high winds and heavy rainfall, associated with cyclones.

When compared to December, January has similar temperature ranges, but the rainfall can increase significantly due to the peak of the cyclone season. As the island transitions to February, similar weather conditions persist, although the chance of cyclones slightly decreases towards the end of the month.

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• Saint-Denis - January »
  January and February are identified as the warmest months with an average high-temperature of 30.1°C (86.2°F). January through March, November and December, with an average maximum UV index of 12, are months with the highest UV index in Saint-Denis.
• Saint-Paul - January »
  As Saint-Paul, Reunion, welcomes January, the average high-temperature records at a still warm 26.1°C (79°F), marking an insignificant deviation from the prior month. On the first day of January in Saint-Paul, Reunion, sunrise is at 05:40 and sunset at 19:03.
• Saint-Pierre - January »
  In Saint-Pierre, during January, the rain falls for 23.7 days and regularly aggregates up to 162mm (6.38") of precipitation. The months with the lowest UV index in Saint-Pierre, Reunion, are January, March through December, with an average maximum UV index of 6.
• Saint-Louis - January »
  The month with the most rainfall in Saint-Louis, Reunion, is January, when the rain falls for 23.7 days and typically aggregates up to 162mm (6.38") of precipitation. The months with the highest humidity in Saint-Louis are January through April, with an average relative humidity of 81%.
• Le Port - January »
  On the first day of January in Le Port, sunrise is at 05:40 and sunset at 19:03. When is the sunrise / sunset in January in Le Port?
• Saint-Joseph - January »
  In Saint-Joseph in January, the average water temperature is 27.6°C (81.7°F). In Saint-Joseph, in January, the average water temperature is 27.6°C (81.7°F).
• Saint-Leu - January »
  The month with the most rainfall in Saint-Leu is January, when the rain falls for 18 days and typically aggregates up to 241mm (9.49") of precipitation. The month with the most rainfall in Saint-Leu is January, when the rain falls for 18 days and typically aggregates up to 241mm (9.49") of precipitation.
• Les Avirons - January »
  With January arriving, the city of Les Avirons experiences a slight drop in sea temperature from 28.3°C (82.9°F) in February to 27.7°C (81.9°F). On the first day of January in Les Avirons, sunrise is at 05:39 and sunset at 19:04.