Saint-Joseph in Winter
In winter (June, July and August), Saint-Joseph sees average daytime highs around 22°C and overnight lows near 21°C, with 112 mm of rain over about 24 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 22°C. The sky is clear or mostly clear about 79% of the time across winter, and the air most often feels humid.
Winter is Saint-Joseph's 2nd-best season to visit on our travel score. Saint-Joseph has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Saint-Joseph's year-round climate.
- Avg daytime high
- 22°C
- coldest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 112 mm
- 24 wet days
- Avg wind
- 24 km/h
- Travel score
- 7.6
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Saint-Joseph in Winter
Across winter, daytime highs hold fairly steady around 22°C.
A typical winter day in Saint-Joseph reaches about 22°C and drops to 21°C overnight. The warmest of the three months is June, the coolest August.
Saint-Joseph weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| 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 Winter
The sky is clear or mostly clear about 79% of the time across winter.
Chance of precipitation in Winter
Saint-Joseph gets around 112 mm of rain over 24 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 24 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 48 min in early June to 11 h 30 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.2 kWh/m².
Hazard calendar for Saint-Joseph
None of Saint-Joseph's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
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 winter a good time to visit Saint-Joseph?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Saint-Joseph for general sightseeing.
What to pack for Saint-Joseph in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Saint-Joseph sees daytime highs around 22°C and nights near 21°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 24 days see rain.
Sea temperature near Saint-Joseph in Winter
The nearest coast averages about 24°C across winter — 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 Winter
Clear-sky midday UV across winter averages around 7 — 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.