July
Other strong months: August and September
81/100 weather score
Reunion · 1991–2020
Best time to visit
Saint-Louis
For Saint-Louis, July has the most comfortable weather in our climate comparison. Typical daytime highs are 25.4°C, nights average 18°C, and rainfall totals about 57 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthJuly
Typical daytime high25.4°C
Typical night-time low18°C
July rainfall57 mm
November
Other strong months: October and September
89/100 weather score
July
Other strong months: August and September
59/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
5 months fit your choices for Saint-Louis
February has the lowest comfort score at 15 out of 100, compared with July at 81. The main reason is that 310 mm of rain falls.
Quick answers
Planning a trip to Saint-Louis?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Saint-Louis?
July is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 25.4°C and 57 mm of rain.
What is the hottest month in Saint-Louis?
February is hottest in this record, with a typical daytime high of 30.3°C and a night-time low of 23.5°C.
Which month has the least rain?
October has the lowest monthly rainfall total at 47 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Sea | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|---|
| January | 30.2°C | 23.4°C | 295 mm | 14.2 | 27.5°C | 13 h 18 | 18 | Good coverage |
| February | 30.3°C | 23.5°C | 310 mm | 14.1 | 28.0°C | 12 h 50 | 15 | Good coverage |
| March | 30°C | 23°C | 274 mm | 14.1 | 27.9°C | 12 h 16 | 22 | Strong coverage |
| April | 29.2°C | 22°C | 142 mm | 10.8 | 27.3°C | 11 h 38 | 48 | Strong coverage |
| May | 27.6°C | 20.5°C | 106 mm | 10.6 | 26.3°C | 11 h 07 | 61 | Good coverage |
| June | 26.2°C | 18.7°C | 75 mm | 8.2 | 25.0°C | 10 h 51 | 76 | Strong coverage |
| July | 25.4°C | 18°C | 57 mm | 9.1 | 23.8°C | 10 h 57 | 81 | Strong coverage |
| August | 25.5°C | 18°C | 59 mm | 9.4 | 23.3°C | 11 h 23 | 81 | Strong coverage |
| September | 26°C | 18.4°C | 52 mm | 8 | 23.4°C | 12 h | 80 | Strong coverage |
| October | 27°C | 19.6°C | 47 mm | 7.3 | 24.1°C | 12 h 37 | 76 | Strong coverage |
| November | 28.3°C | 20.8°C | 62 mm | 6.2 | 25.3°C | 13 h 10 | 69 | Strong coverage |
| December | 29.5°C | 22.4°C | 174 mm | 10.8 | 26.7°C | 13 h 25 | 42 | Strong coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 35.2°C28 Jan 1993 | 18.6°C3 Jan 1984 | 406 mm28 Jan 1979 | 985 mm1980 · driest 62 mm in 1991 | 47 |
| February | 34.0°C25 Feb 1995 | 19.0°C9 Feb 1980 | 320 mm22 Feb 1981 | 1298 mm1998 · driest 23 mm in 2002 | 47 |
| March | 33.1°C1 Mar 2002 | 18.0°C9 Mar 1979 | 381 mm26 Mar 1989 | 777 mm1993 · driest 14 mm in 2019 | 47 |
| April | 32.7°C16 Apr 2023 | 16.0°C19 Apr 1978 | 202 mm2 Apr 2022 | 524 mm2022 · driest 4 mm in 2008 | 47 |
| May | 31.3°C3 May 2024 | 15.3°C21 May 2016 | 300 mm29 May 1981 | 322 mm1981 · driest 10 mm in 2021 | 46 |
| June | 31.0°C13 Jun 1977 | 11.0°C19 Jun 1981 | 182 mm14 Jun 1996 | 199 mm1987 · driest 1 mm in 1988 | 45 |
| July | 29.4°C13 Jul 2008 | 8.5°C25 Jul 1990 | 89 mm12 Jul 2002 | 145 mm2002 · driest 2 mm in 1990 | 46 |
| August | 31.0°C16 Aug 1977 | 11.0°C13 Aug 1980 | 70 mm23 Aug 1979 | 116 mm2010 · driest 4 mm in 1991 | 47 |
| September | 29.2°C23 Sep 2018 | 13.8°C3 Sep 1993 | 162 mm17 Sep 1986 | 172 mm1986 · driest 1 mm in 1999 | 46 |
| October | 32.0°C31 Oct 1976 | 13.4°C11 Oct 2006 | 76 mm12 Oct 1994 | 170 mm1991 · driest 0 mm in 1999 | 48 |
| November | 33.0°C27 Nov 1977 | 15.6°C2 Nov 2007 | 155 mm5 Nov 2002 | 267 mm2005 · driest 1 mm in 2007 | 47 |
| December | 35.0°C5 Dec 1977 | 18.5°C21 Dec 1991 | 310 mm31 Dec 1995 | 735 mm1995 · driest 10 mm in 1982 | 47 |
| Month | Days 25°C+ | Days 30°C+ | Heavy rain (10 mm+) |
|---|---|---|---|
| January | 26 | 16 | 6 |
| February | 24 | 17 | 6 |
| March | 26 | 14 | 5 |
| April | 25 | 6 | 3 |
| May | 26 | <1 | 3 |
| June | 23 | 0 | 2 |
| July | 18 | 0 | 1 |
| August | 19 | 0 | 1 |
| September | 22 | 0 | 1 |
| October | 26 | <1 | <1 |
| November | 26 | 2 | 1 |
| December | 27 | 10 | 3 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 55% | 46% | 21% | 68% | 29.4–31.0°C |
| February | 50% | 49% | 22% | 71% | 29.4–30.9°C |
| March | 55% | 45% | 17% | 65% | 29.4–30.7°C |
| April | 63% | 39% | 14% | 53% | 28.7–29.8°C |
| May | 69% | 32% | 9% | 39% | 26.9–28.2°C |
| June | 72% | 28% | 6% | 39% | 25.5–26.7°C |
| July | 70% | 30% | 4% | 38% | 24.8–26.2°C |
| August | 69% | 30% | 4% | 40% | 24.9–26.2°C |
| September | 73% | 27% | 4% | 31% | 25.4–26.8°C |
| October | 77% | 23% | 3% | 23% | 26.5–27.9°C |
| November | 78% | 23% | 4% | 26% | 27.4–29.1°C |
| December | 64% | 36% | 12% | 49% | 28.5–30.8°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 935223
- NOAA station
- REM00061980 · ST DENIS GILLOT
- Station distance
- 45.5 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 22 usable years
- Daylight
- Calculated from latitude -21.29°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Sea temperature
- NOAA OISST v2.1 1991–2020 monthly climatology, nearest open water 11 km from the place centre. A sheltered bay can run warmer than the open sea it is measured from.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Saint-Louis is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work