Saint-Joseph weather in May
In May, Saint-Joseph sees average daytime highs of 24°C and overnight lows near 23°C, with 55 mm of rain across 9.4 wet days and about 11 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 73% of the time in May, and the air most often feels muggy.
Daylight stretches from about 11 h 12 min at the start of May to 10 h 48 min by month's end. Set against the rest of the year, May is Saint-Joseph's 5th-clearest and 6th-windiest month. For the whole year in context, see Saint-Joseph's year-round climate.
- Daytime high
- 24°
- 6th warmest
- Overnight low
- 23°
- 7th coldest
- Rainfall
- 55 mm
- 9.4 wet days
- Daylight
- 11 hours
- 6:44 AM – 5:43 PM
- Cloud cover
- 31%
- 5th clearest
- Wind
- 21 km/h
- 6th windiest
- Solar energy
- 4.29 kWh/m²
- Travel score
- 7.6
- out of 10
Temperature in May
Day-to-day highs hold fairly steady near 24°C through the month.
A typical May day in Saint-Joseph reaches about 24°C in the afternoon and slips back to 23°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 25°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 |
| Avg low (°C) | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 24 |
| 2 | 25 | 24 |
| 3 | 25 | 23 |
| 4 | 25 | 23 |
| 5 | 25 | 23 |
| 6 | 25 | 23 |
| 7 | 24 | 23 |
| 8 | 24 | 23 |
| 9 | 24 | 23 |
| 10 | 24 | 23 |
| 11 | 24 | 23 |
| 12 | 24 | 23 |
| 13 | 24 | 23 |
| 14 | 24 | 23 |
| 15 | 24 | 23 |
| 16 | 24 | 23 |
| 17 | 24 | 23 |
| 18 | 24 | 23 |
| 19 | 24 | 23 |
| 20 | 24 | 23 |
| 21 | 24 | 23 |
| 22 | 24 | 23 |
| 23 | 24 | 22 |
| 24 | 24 | 22 |
| 25 | 24 | 22 |
| 26 | 24 | 22 |
| 27 | 24 | 22 |
| 28 | 23 | 22 |
| 29 | 23 | 22 |
| 30 | 23 | 22 |
| 31 | 23 | 22 |
Saint-Joseph weather by month
How May compares with the rest of the year at a glance. May is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 26° / 25° | 144 | 12.7 | 13.2 | 6.3 |
| Feb | 26° / 25° | 134 | 13.1 | 12.7 | 6.1 |
| Mar | 26° / 25° | 125 | 11.2 | 12.2 | 6.7 |
| Apr | 25° / 24° | 63 | 10.2 | 11.5 | 7.1 |
| May | 24° / 23° | 55 | 9.4 | 11 | 7.6 |
| Jun | 23° / 21° | 42 | 8.3 | 10.7 | 7.6 |
| Jul | 22° / 20° | 41 | 9.1 | 10.8 | 7.3 |
| Aug | 21° / 20° | 29 | 6.4 | 11.3 | 7.8 |
| Sep | 22° / 21° | 23 | 4.9 | 11.9 | 8.0 |
| Oct | 23° / 22° | 24 | 4.8 | 12.5 | 8.1 |
| Nov | 24° / 23° | 45 | 6 | 13 | 8.0 |
| Dec | 25° / 24° | 76 | 9.2 | 13.3 | 7.2 |
Cloud cover in May
The sky is clear or mostly clear about 73% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 81 | 82 | 82 | 82 | 82 | 81 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 83 | 83 | 83 | 84 | 85 | 85 | 86 | 87 | 88 | 88 | 89 | 90 | 91 | 91 | 91 | 91 | 91 | 92 |
| Cloudier (%) | 19 | 18 | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 81 | 19 |
| 2 | 82 | 18 |
| 3 | 82 | 18 |
| 4 | 82 | 18 |
| 5 | 82 | 18 |
| 6 | 81 | 19 |
| 7 | 82 | 18 |
| 8 | 82 | 18 |
| 9 | 82 | 18 |
| 10 | 82 | 18 |
| 11 | 82 | 18 |
| 12 | 82 | 18 |
| 13 | 82 | 18 |
| 14 | 83 | 17 |
| 15 | 83 | 17 |
| 16 | 83 | 17 |
| 17 | 84 | 16 |
| 18 | 85 | 15 |
| 19 | 85 | 15 |
| 20 | 86 | 14 |
| 21 | 87 | 13 |
| 22 | 88 | 12 |
| 23 | 88 | 12 |
| 24 | 89 | 11 |
| 25 | 90 | 10 |
| 26 | 91 | 9 |
| 27 | 91 | 9 |
| 28 | 91 | 9 |
| 29 | 91 | 9 |
| 30 | 91 | 9 |
| 31 | 92 | 8 |
Chance of precipitation in May
Saint-Joseph gets around 55 mm of rain over 9.4 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 31% and peaks near 35% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 33 | 33 | 32 | 31 | 31 | 30 | 30 | 29 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 |
| Rain chance (%) | |
|---|---|
| 1 | 34 |
| 2 | 34 |
| 3 | 34 |
| 4 | 35 |
| 5 | 35 |
| 6 | 35 |
| 7 | 35 |
| 8 | 35 |
| 9 | 35 |
| 10 | 34 |
| 11 | 34 |
| 12 | 33 |
| 13 | 33 |
| 14 | 32 |
| 15 | 31 |
| 16 | 31 |
| 17 | 30 |
| 18 | 30 |
| 19 | 29 |
| 20 | 28 |
| 21 | 28 |
| 22 | 27 |
| 23 | 26 |
| 24 | 26 |
| 25 | 26 |
| 26 | 26 |
| 27 | 26 |
| 28 | 26 |
| 29 | 26 |
| 30 | 26 |
| 31 | 27 |
Humidity in May
Most of May feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the muggy band about 56% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Comfortable (%) | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 |
| Humid (%) | 11 | 12 | 13 | 15 | 16 | 17 | 18 | 19 | 21 | 22 | 24 | 25 | 26 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 33 | 34 | 35 | 36 |
| Muggy (%) | 51 | 52 | 53 | 53 | 54 | 55 | 55 | 56 | 56 | 57 | 57 | 58 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 59 | 60 | 60 | 58 | 58 | 57 | 55 | 53 | 52 |
| Oppressive (%) | 36 | 34 | 31 | 29 | 27 | 25 | 23 | 21 | 19 | 17 | 15 | 13 | 12 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 2 | 11 | 51 | 36 |
| 2 | 0 | 2 | 12 | 52 | 34 |
| 3 | 0 | 3 | 13 | 53 | 31 |
| 4 | 0 | 3 | 15 | 53 | 29 |
| 5 | 0 | 3 | 16 | 54 | 27 |
| 6 | 0 | 3 | 17 | 55 | 25 |
| 7 | 0 | 4 | 18 | 55 | 23 |
| 8 | 0 | 4 | 19 | 56 | 21 |
| 9 | 0 | 4 | 21 | 56 | 19 |
| 10 | 0 | 4 | 22 | 57 | 17 |
| 11 | 0 | 4 | 24 | 57 | 15 |
| 12 | 0 | 4 | 25 | 58 | 13 |
| 13 | 0 | 4 | 26 | 58 | 12 |
| 14 | 0 | 5 | 27 | 58 | 10 |
| 15 | 0 | 5 | 28 | 58 | 9 |
| 16 | 0 | 5 | 28 | 59 | 8 |
| 17 | 0 | 5 | 29 | 59 | 7 |
| 18 | 0 | 6 | 29 | 59 | 6 |
| 19 | 0 | 6 | 30 | 59 | 5 |
| 20 | 0 | 6 | 30 | 60 | 4 |
| 21 | 0 | 6 | 30 | 60 | 4 |
| 22 | 0 | 7 | 30 | 60 | 3 |
| 23 | 0 | 7 | 31 | 59 | 3 |
| 24 | 0 | 7 | 31 | 60 | 2 |
| 25 | 0 | 7 | 31 | 60 | 2 |
| 26 | 0 | 8 | 32 | 58 | 2 |
| 27 | 0 | 8 | 32 | 58 | 2 |
| 28 | 0 | 8 | 33 | 57 | 2 |
| 29 | 0 | 9 | 34 | 55 | 2 |
| 30 | 1 | 9 | 35 | 53 | 2 |
| 31 | 1 | 10 | 36 | 52 | 1 |
Wind in May
Winds average 21 km/h in May.
Across May, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 20 | breezy |
| 2 | 20 | breezy |
| 3 | 21 | breezy |
| 4 | 21 | breezy |
| 5 | 21 | breezy |
| 6 | 21 | breezy |
| 7 | 21 | breezy |
| 8 | 21 | breezy |
| 9 | 21 | breezy |
| 10 | 21 | breezy |
| 11 | 21 | breezy |
| 12 | 21 | breezy |
| 13 | 21 | breezy |
| 14 | 21 | breezy |
| 15 | 21 | breezy |
| 16 | 21 | breezy |
| 17 | 21 | breezy |
| 18 | 21 | breezy |
| 19 | 21 | breezy |
| 20 | 21 | breezy |
| 21 | 21 | breezy |
| 22 | 21 | breezy |
| 23 | 21 | breezy |
| 24 | 21 | breezy |
| 25 | 21 | breezy |
| 26 | 21 | breezy |
| 27 | 21 | breezy |
| 28 | 21 | breezy |
| 29 | 21 | breezy |
| 30 | 21 | breezy |
| 31 | 21 | breezy |
Sunrise & sunset in May
Daylight runs from about 11 h 12 min at the start of May to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over May. Sunrise moves from 6:38 AM to 6:51 AM, and sunset from 5:51 PM to 5:39 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 |
| Sunrise (AM) | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 | 6:46 | 6:46 | 6:47 | 6:47 | 6:48 | 6:48 | 6:49 | 6:49 | 6:50 | 6:50 | 6:50 | 6:51 |
| Sunset (PM) | 5:51 | 5:51 | 5:50 | 5:50 | 5:49 | 5:48 | 5:48 | 5:47 | 5:47 | 5:46 | 5:46 | 5:45 | 5:45 | 5:44 | 5:44 | 5:43 | 5:43 | 5:42 | 5:42 | 5:42 | 5:41 | 5:41 | 5:41 | 5:41 | 5:40 | 5:40 | 5:40 | 5:40 | 5:39 | 5:39 | 5:39 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.2 | 6:38 | 5:51 |
| 2 | 11.2 | 6:38 | 5:51 |
| 3 | 11.2 | 6:39 | 5:50 |
| 4 | 11.2 | 6:39 | 5:50 |
| 5 | 11.2 | 6:40 | 5:49 |
| 6 | 11.1 | 6:40 | 5:48 |
| 7 | 11.1 | 6:40 | 5:48 |
| 8 | 11.1 | 6:41 | 5:47 |
| 9 | 11.1 | 6:41 | 5:47 |
| 10 | 11.1 | 6:42 | 5:46 |
| 11 | 11.1 | 6:42 | 5:46 |
| 12 | 11.0 | 6:43 | 5:45 |
| 13 | 11.0 | 6:43 | 5:45 |
| 14 | 11.0 | 6:43 | 5:44 |
| 15 | 11.0 | 6:44 | 5:44 |
| 16 | 11.0 | 6:44 | 5:43 |
| 17 | 11.0 | 6:45 | 5:43 |
| 18 | 11.0 | 6:45 | 5:42 |
| 19 | 10.9 | 6:46 | 5:42 |
| 20 | 10.9 | 6:46 | 5:42 |
| 21 | 10.9 | 6:46 | 5:41 |
| 22 | 10.9 | 6:47 | 5:41 |
| 23 | 10.9 | 6:47 | 5:41 |
| 24 | 10.9 | 6:48 | 5:41 |
| 25 | 10.9 | 6:48 | 5:40 |
| 26 | 10.9 | 6:49 | 5:40 |
| 27 | 10.8 | 6:49 | 5:40 |
| 28 | 10.8 | 6:50 | 5:40 |
| 29 | 10.8 | 6:50 | 5:39 |
| 30 | 10.8 | 6:50 | 5:39 |
| 31 | 10.8 | 6:51 | 5:39 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 4.29 kWh/m².
For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 7.07 kWh/m² in November across the year — May's 4.29 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.6 | Bright |
| 2 | 4.6 | Bright |
| 3 | 4.6 | Bright |
| 4 | 4.5 | Bright |
| 5 | 4.5 | Bright |
| 6 | 4.5 | Bright |
| 7 | 4.5 | Bright |
| 8 | 4.5 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.4 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.3 | Bright |
| 14 | 4.3 | Bright |
| 15 | 4.3 | Bright |
| 16 | 4.3 | Bright |
| 17 | 4.3 | Bright |
| 18 | 4.3 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.2 | Bright |
| 21 | 4.2 | Bright |
| 22 | 4.2 | Bright |
| 23 | 4.2 | Bright |
| 24 | 4.2 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.1 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.1 | Bright |
| 29 | 4.1 | Bright |
| 30 | 4.0 | Bright |
| 31 | 4.0 | Bright |
Hazard calendar for Saint-Joseph
None of Saint-Joseph's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Saint-Joseph sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Saint-Joseph's rainy season runs December–March, when most of the year's rain falls.
Is May a good time to visit Saint-Joseph?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is one of the better times to visit Saint-Joseph for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Saint-Joseph in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Saint-Joseph sees daytime highs around 24°C and nights near 23°C. Worth packing: light clothes, rain gear and a windbreaker. About 9 days see rain.
Sea temperature near Saint-Joseph in May
The nearest coast averages about 26°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 28°C and coldest in August near 23°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 28 | 27 | 26 | 25 | 24 | 23 | 23 | 24 | 25 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Warm |
| Mar | 28 | Warm |
| Apr | 27 | Warm |
| May | 26 | Warm |
| Jun | 25 | Warm |
| Jul | 24 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 24 | Warm |
| Nov | 25 | Warm |
| Dec | 27 | Warm |
UV index in Saint-Joseph in May
Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saint-Joseph peaks around January 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 17 | 15 | 13 | 10 | 8 | 6 | 6 | 9 | 10 | 12 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | High | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 17 | Extreme |
| Feb | 15 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Extreme |
| May | 8 | Very high |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 9 | Very high |
| Sep | 10 | Extreme |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Saint-Joseph?
Saint-Joseph sits at 21.4°S, 55.6°E, 43 m above sea level, in Reunion. The nearest listed city is Saint-Pierre, 15 km away.
Topography around Saint-Joseph
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Joseph.
Within 3 km, the terrain around Saint-Joseph has significant variations in elevation — a maximum elevation change of 486 m around an average of 108 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,407 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,030 m.
The land around Saint-Joseph is covered by trees (39%) and water (39%) within 3 km, water (53%) and trees (30%) within 16 km, and water (77%) within 80 km.
Reunion travel facts
- Power plugs
- Type C / E
- 220 V · 50 Hz
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saint-Joseph (-21.3777°, 55.6169°, elevation 43 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).