Saint-Denis weather in January 2025

Q: How hot is it in Saint-Denis in January?

Daytime temperatures usually reach 27°C in Saint-Denis in January with high heat and humidity, falling to 20°C at night.

Q: How sunny is it in Saint-Denis in January?

There are normally 7 hours of bright sunshine each day in Saint-Denis in January - that's 54% of daylight hours.

Q: How warm is the sea around Saint-Denis in January?

The average sea temperature around Saint-Denis in January is 27°C.

Q: Does it rain in Saint-Denis in January?

There are usually 18 days with some rain in Saint-Denis in January and the average monthly rainfall is 254mm.

Q: What is the chance of a cyclone in Saint-Denis in January?

On average 1.6 days in January in Saint-Denis are likely to be affected by the passage of one or more tropical storms.

Expect 81°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Saint-Denis in January. Check more long-term weather averages for Saint-Denis in January before you book your next holiday to Reunion in 2025/2026.

81
81°F max day temperature
7
7 hours of sunshine per day
18
18 days with some rainfall
68
68°F min night temperature
13
13 hours of daylight per day
H
High heat & humidity
10.0
10.0 inches of monthly rainfall
11
11+ (Extreme) UV index
81
81°F sea temperature

More about Saint-Denis

Saint-Denis by month

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The January weather guide for Reunion (Saint-Denis) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How hot is it in Saint-Denis in January?

Daytime temperatures usually reach 81°F in Saint-Denis in January with high heat and humidity, falling to 68°F at night.

How sunny is it in Saint-Denis in January?

There are normally 7 hours of bright sunshine each day in Saint-Denis in January - that's 54% of daylight hours.

How warm is the sea around Saint-Denis in January?

The average sea temperature around Saint-Denis in January is 81°F.

Does it rain in Saint-Denis in January?

There are usually 18 days with some rain in Saint-Denis in January and the average monthly rainfall is 10.0 inches.

What is the chance of a cyclone in Saint-Denis in January?

On average 1.6 days in January in Saint-Denis are likely to be affected by the passage of one or more tropical storms.

Saint-Denis January sunrise & sunset times

Browse the sunrise and sunset times for Saint-Denis in January 2025. Select a month to view Saint-Denis sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Wednesday, 1st January 2025	05:41	19:03
Thursday, 16th January 2025	05:51	19:05
Friday, 31st January 2025	06:00	19:03

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Reunion - quick facts
Time difference	UK +4 hours
Language(s)	French
Currency	Euro
Electricity	C + E plug (230V)
Driving side	Right
Why visit?	Beaches Nature
Tourist info	Reunion Island Tourism