Saint-Louis weather in April
In April, Saint-Louis sees average daytime highs of 24°C and overnight lows near 19°C, with 93 mm of rain across 18.2 wet days and about 11.5 hours of daylight. It is the 5th-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 17% of the time in April, and the air most often feels muggy.
Daylight stretches from about 11 h 48 min at the start of April to 11 h 12 min by month's end. Set against the rest of the year, April is Saint-Louis's 7th-clearest and 4th-windiest month. For the whole year in context, see Saint-Louis's year-round climate.
- Daytime high
- 24°
- 5th warmest
- Overnight low
- 19°
- 8th coldest
- Rainfall
- 93 mm
- 18.2 wet days
- Daylight
- 11 h 30 min
- 6:33 AM – 6:04 PM
- Cloud cover
- 61%
- 7th clearest
- Wind
- 8 km/h
- 4th windiest
- Solar energy
- 5.17 kWh/m²
- Travel score
- 5.6
- out of 10
Temperature in April
Day-to-day highs hold fairly steady near 24°C through the month.
A typical April day in Saint-Louis reaches about 24°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, April runs about 1°C cooler than March and about 2°C warmer than May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 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 |
| Avg low (°C) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 25 | 20 |
| 2 | 25 | 20 |
| 3 | 25 | 20 |
| 4 | 25 | 20 |
| 5 | 25 | 20 |
| 6 | 25 | 20 |
| 7 | 25 | 20 |
| 8 | 24 | 20 |
| 9 | 24 | 20 |
| 10 | 24 | 20 |
| 11 | 24 | 20 |
| 12 | 24 | 20 |
| 13 | 24 | 20 |
| 14 | 24 | 20 |
| 15 | 24 | 20 |
| 16 | 24 | 19 |
| 17 | 24 | 19 |
| 18 | 24 | 19 |
| 19 | 24 | 19 |
| 20 | 24 | 19 |
| 21 | 24 | 19 |
| 22 | 24 | 19 |
| 23 | 24 | 19 |
| 24 | 24 | 19 |
| 25 | 24 | 19 |
| 26 | 24 | 19 |
| 27 | 24 | 19 |
| 28 | 24 | 19 |
| 29 | 23 | 19 |
| 30 | 23 | 19 |
Saint-Louis weather by month
How April compares with the rest of the year at a glance. April is the 5th-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 | 25° / 21° | 280 | 23.9 | 13.2 | 4.5 |
| Feb | 25° / 21° | 264 | 22.7 | 12.7 | 4.4 |
| Mar | 25° / 20° | 212 | 21.3 | 12.2 | 5.0 |
| Apr | 24° / 19° | 93 | 18.2 | 11.5 | 5.6 |
| May | 22° / 18° | 86 | 17.1 | 11 | 5.8 |
| Jun | 20° / 16° | 50 | 13.7 | 10.7 | 5.9 |
| Jul | 20° / 15° | 49 | 14.3 | 10.8 | 5.7 |
| Aug | 20° / 15° | 45 | 12.6 | 11.3 | 6.1 |
| Sep | 21° / 15° | 45 | 12 | 11.9 | 6.2 |
| Oct | 22° / 16° | 56 | 13.4 | 12.5 | 6.2 |
| Nov | 24° / 18° | 96 | 16.4 | 13 | 5.8 |
| Dec | 25° / 20° | 174 | 21.6 | 13.3 | 5.0 |
Cloud cover in April
The sky is clear or mostly clear about 17% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 33% of April, with mostly cloudy or overcast conditions the remaining 50%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 51 | 51 | 51 | 51 | 52 | 52 | 51 | 51 | 50 | 50 | 49 | 48 | 48 | 48 | 48 | 47 | 47 | 47 | 46 | 47 | 47 | 48 | 48 | 50 | 50 | 52 | 52 | 52 | 53 | 54 |
| Cloudier (%) | 49 | 49 | 49 | 49 | 48 | 48 | 49 | 49 | 50 | 50 | 51 | 52 | 52 | 52 | 52 | 53 | 53 | 53 | 54 | 53 | 53 | 52 | 52 | 50 | 50 | 48 | 48 | 48 | 47 | 46 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 51 | 49 |
| 2 | 51 | 49 |
| 3 | 51 | 49 |
| 4 | 51 | 49 |
| 5 | 52 | 48 |
| 6 | 52 | 48 |
| 7 | 51 | 49 |
| 8 | 51 | 49 |
| 9 | 50 | 50 |
| 10 | 50 | 50 |
| 11 | 49 | 51 |
| 12 | 48 | 52 |
| 13 | 48 | 52 |
| 14 | 48 | 52 |
| 15 | 48 | 52 |
| 16 | 47 | 53 |
| 17 | 47 | 53 |
| 18 | 47 | 53 |
| 19 | 46 | 54 |
| 20 | 47 | 53 |
| 21 | 47 | 53 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 50 | 50 |
| 25 | 50 | 50 |
| 26 | 52 | 48 |
| 27 | 52 | 48 |
| 28 | 52 | 48 |
| 29 | 53 | 47 |
| 30 | 54 | 46 |
Chance of precipitation in April
Saint-Louis gets around 93 mm of rain over 18.2 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 62% and peaks near 64% on the wettest days.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 61 | 62 | 62 | 62 | 63 | 63 | 63 | 64 | 64 | 64 | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 60 | 60 | 59 | 59 | 59 | 58 |
| Rain chance (%) | |
|---|---|
| 1 | 62 |
| 2 | 62 |
| 3 | 61 |
| 4 | 61 |
| 5 | 61 |
| 6 | 61 |
| 7 | 61 |
| 8 | 61 |
| 9 | 62 |
| 10 | 62 |
| 11 | 62 |
| 12 | 63 |
| 13 | 63 |
| 14 | 63 |
| 15 | 64 |
| 16 | 64 |
| 17 | 64 |
| 18 | 63 |
| 19 | 63 |
| 20 | 63 |
| 21 | 62 |
| 22 | 62 |
| 23 | 61 |
| 24 | 61 |
| 25 | 60 |
| 26 | 60 |
| 27 | 59 |
| 28 | 59 |
| 29 | 59 |
| 30 | 58 |
Humidity in April
Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the muggy band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 49% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | 11 | 12 |
| Humid (%) | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 47 | 47 | 48 | 49 | 50 | 51 | 52 | 52 | 53 | 54 | 55 |
| Muggy (%) | 61 | 60 | 58 | 57 | 56 | 55 | 54 | 52 | 51 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 48 | 48 | 47 | 46 | 44 | 43 | 42 | 40 | 39 | 37 | 35 | 33 |
| Oppressive (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|
| 1 | 2 | 36 | 61 | 1 |
| 2 | 2 | 37 | 60 | 1 |
| 3 | 3 | 38 | 58 | 1 |
| 4 | 3 | 39 | 57 | 1 |
| 5 | 3 | 40 | 56 | 1 |
| 6 | 3 | 41 | 55 | 1 |
| 7 | 3 | 42 | 54 | 1 |
| 8 | 4 | 43 | 52 | 1 |
| 9 | 4 | 44 | 51 | 1 |
| 10 | 4 | 45 | 50 | 1 |
| 11 | 4 | 45 | 50 | 1 |
| 12 | 4 | 45 | 50 | 1 |
| 13 | 4 | 45 | 50 | 1 |
| 14 | 4 | 45 | 50 | 1 |
| 15 | 4 | 45 | 50 | 1 |
| 16 | 4 | 45 | 50 | 1 |
| 17 | 4 | 46 | 49 | 0 |
| 18 | 5 | 46 | 49 | 0 |
| 19 | 5 | 46 | 48 | 0 |
| 20 | 5 | 47 | 48 | 0 |
| 21 | 6 | 47 | 47 | 0 |
| 22 | 6 | 48 | 46 | 0 |
| 23 | 6 | 49 | 44 | 0 |
| 24 | 7 | 50 | 43 | 0 |
| 25 | 7 | 51 | 42 | 0 |
| 26 | 8 | 52 | 40 | 0 |
| 27 | 9 | 52 | 39 | 0 |
| 28 | 10 | 53 | 37 | 0 |
| 29 | 11 | 54 | 35 | 0 |
| 30 | 12 | 55 | 33 | 0 |
Wind in April
Winds average 8 km/h in April.
Across April, daily wind ranges from about 7 km/h on the calmest days to 8 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in April
Daylight runs from about 11 h 48 min at the start of April to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over April. Sunrise moves from 6:28 AM to 6:38 AM, and sunset from 6:18 PM to 5:53 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 |
| Sunrise (AM) | 6:28 | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 | 6:32 | 6:32 | 6:32 | 6:33 | 6:33 | 6:33 | 6:34 | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:36 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:38 |
| Sunset (PM) | 6:18 | 6:17 | 6:16 | 6:15 | 6:14 | 6:13 | 6:12 | 6:11 | 6:10 | 6:09 | 6:08 | 6:07 | 6:07 | 6:06 | 6:05 | 6:04 | 6:03 | 6:02 | 6:01 | 6:01 | 6:00 | 5:59 | 5:58 | 5:57 | 5:57 | 5:56 | 5:55 | 5:54 | 5:54 | 5:53 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:28 | 6:18 |
| 2 | 11.8 | 6:29 | 6:17 |
| 3 | 11.8 | 6:29 | 6:16 |
| 4 | 11.8 | 6:29 | 6:15 |
| 5 | 11.7 | 6:30 | 6:14 |
| 6 | 11.7 | 6:30 | 6:13 |
| 7 | 11.7 | 6:30 | 6:12 |
| 8 | 11.7 | 6:31 | 6:11 |
| 9 | 11.7 | 6:31 | 6:10 |
| 10 | 11.6 | 6:31 | 6:09 |
| 11 | 11.6 | 6:32 | 6:08 |
| 12 | 11.6 | 6:32 | 6:07 |
| 13 | 11.6 | 6:32 | 6:07 |
| 14 | 11.6 | 6:33 | 6:06 |
| 15 | 11.5 | 6:33 | 6:05 |
| 16 | 11.5 | 6:33 | 6:04 |
| 17 | 11.5 | 6:34 | 6:03 |
| 18 | 11.5 | 6:34 | 6:02 |
| 19 | 11.5 | 6:34 | 6:01 |
| 20 | 11.4 | 6:35 | 6:01 |
| 21 | 11.4 | 6:35 | 6:00 |
| 22 | 11.4 | 6:35 | 5:59 |
| 23 | 11.4 | 6:36 | 5:58 |
| 24 | 11.4 | 6:36 | 5:57 |
| 25 | 11.3 | 6:36 | 5:57 |
| 26 | 11.3 | 6:37 | 5:56 |
| 27 | 11.3 | 6:37 | 5:55 |
| 28 | 11.3 | 6:38 | 5:54 |
| 29 | 11.3 | 6:38 | 5:54 |
| 30 | 11.2 | 6:38 | 5:53 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.17 kWh/m².
For context, solar energy here swings from a low near 3.93 kWh/m² to a high of 7.11 kWh/m² in November across the year — April's 5.17 kWh/m² falls in the middle.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 |
| 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.6 | Bright |
| 2 | 5.6 | Bright |
| 3 | 5.6 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.5 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.3 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.2 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.0 | Bright |
| 19 | 5.0 | Bright |
| 20 | 5.0 | Bright |
| 21 | 5.0 | Bright |
| 22 | 4.9 | Bright |
| 23 | 4.9 | Bright |
| 24 | 4.9 | Bright |
| 25 | 4.8 | Bright |
| 26 | 4.8 | Bright |
| 27 | 4.8 | Bright |
| 28 | 4.8 | Bright |
| 29 | 4.7 | Bright |
| 30 | 4.7 | Bright |
Hazard calendar for Saint-Louis
In April, Saint-Louis sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Saint-Louis sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Saint-Louis's monsoon runs December–March, when most of the year's rain falls.
Is April a good time to visit Saint-Louis?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Saint-Louis for sightseeing.
What to pack for Saint-Louis in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Saint-Louis sees daytime highs around 24°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.
Sea temperature near Saint-Louis in April
The nearest coast averages about 27°C in April — 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 | Tropical | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Warm | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| 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-Louis in April
Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saint-Louis 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-Louis?
Saint-Louis sits at 21.3°S, 55.4°E, 40 m above sea level, in Reunion. The nearest listed city is Saint-Pierre, 9.0 km away.
Topography around Saint-Louis
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Louis.
Within 3 km, the terrain around Saint-Louis has only modest variations in elevation — a maximum elevation change of 244 m around an average of 55 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,578 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,030 m.
The land around Saint-Louis is covered by trees (40%) and artificial surfaces (20%) within 3 km, water (43%) and trees (36%) within 16 km, and water (79%) 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-Louis (-21.2858°, 55.4112°, elevation 40 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).