Réunion
Réunion in May: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Réunion in May is climatically well suited to city breaks, beach holidays and family holidays. The average daily high is around 23 °C, and the sea is about 27 °C. With about 14 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
74/100 · #5
Warmth
#7
Dryness
#8
Sun
#10
Sea warmth
#6
Published best categories: Family
Réunion · MayPhoto: Bascobug · CC BY-SA 4.0Climate facts
- Average high
- 23 °C
- Average low
- 20 °C
- Sea
- 27 °C
- Rainy days (est.)
- 14 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 80 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| April | 25 | 21 | 17 | 88 | 6.4 | 82 | 4.5 | 28 | 70 |
| May (selected) | 23 | 20 | 14 | 54 | 5.4 | 80 | 4.3 | 27 | 74 |
| June | 21 | 18 | 14 | 41 | 4.9 | 78 | 4.8 | 25 | 72 |
How do the previous and next months compare?
Baseline: May (74/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| April | -4 | +1.7 °C | +1.6 °C | +2.3 | +33.1 mm | +1 h | +2.3 % | +0.1 m/s | +1 °C |
| June | -2 | -2 °C | -1.7 °C | -0.7 | -13.2 mm | -0.5 h | -1.2 % | +0.5 m/s | -1.4 °C |
All twelve months in context
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Where to stay in Réunion
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Useful next decisions
Frequently asked questions
How warm is Réunion in May?
The average daily high is around 23 °C, with an average daily low of about 20 °C.
Can you swim in Réunion in May?
The sea is about 27 °C (warm).
Does it rain a lot in Réunion in May?
The curated estimate is about 14 rainy days per month, not a directly measured long-term average. Total precipitation averages around 54 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Réunion?
By the climate score, September, October, November and December are the strongest months for Réunion. For a beach trip: January, October, November and December. May is not among them.