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Reunion weather in January 2026
Expect 81°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Reunion in January. There is usually 18 days with some rainfall and 254 inches of average monthly rainfall in January.
- 81°F max day temperature
81
- 7 hours of sunshine per day
- 18 days with some rainfall
18
- 68°F min night temperature
68
- 13 hours of daylight per day
13
- High heat & humidity
H
- 10.0 inches of monthly rainfall
10.0
- 11+ (Extreme) UV index
11
- 81°F sea temperature
81
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Recommended for Reunion
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.
Top Reunion destinations
Below are average maximum temperatures at popular countries, regions and places in Reunion in January. Select a holiday destination to see more weather parameters.
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Metric (°C) | Imperial (°F)
How hot is it in Reunion in January?
Daytime temperatures usually reach 81°F in Saint-Denis, Reunion in January with high heat and humidity, falling to 68°F at night.
How sunny is it in Reunion in January?
There are normally 7 hours of bright sunshine each day in Saint-Denis, Reunion in January - that's 54% of daylight hours.
How warm is the sea around Reunion in January?
The average sea temperature around Saint-Denis, Reunion in January is 81°F.
Does it rain in Reunion in January?
There are usually 18 days with some rain in Saint-Denis, Reunion in January and the average monthly rainfall is 10.0 inches.
What is the chance of a cyclone in Reunion in January?
On average 1.6 days in January in Saint-Denis, Reunion are likely to be affected by the passage of one or more tropical storms.
Reunion January sunrise & sunset times
Browse the sunrise and sunset times for Reunion in January 2026. Select a month to view Reunion sunrise and sunset times for the next 12 months. The Reunion sunrise and sunset times shown below are for Saint-Denis.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st January 2026 | 05:40 | 19:03 |
Friday, 16th January 2026 | 05:50 | 19:05 |
Saturday, 31st January 2026 | 06:00 | 19:03 |
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