AI-generatedSaint-Louis at a glance
- Best time
- Jan, Apr – Jul
- Warmest month
- Nov · 35°
- Warmest sea
- Sep · 28.4°
- Sunshine a year
- 3,020 h
- Rain a year
- 175 mm
- Climate
- Hot desert
- Time zone
- UTC+0
- Elevation
- 8 m
Climate in Saint-Louis
Saint-Louis has a hot desert climate with sunshine almost every day and hardly any rain. November is the warmest month with average highs of 35 °C, while May is the coolest at 31 °C. With around 3,020 hours of sunshine a year, Saint-Louis is very sunny; May is the sunniest month with 9.6 hours a day.
Holiday weather through the year
Best time to visit Saint-Louis
The best time to visit Saint-Louis is in January and from April to July. For a beach holiday – sea from 21 °C, warm and mostly dry – go from June to December. In March and from September to November it can get very hot, with highs of up to 35 °C. The wettest month is August with 75 mm of precipitation.
Saint-Louis through the seasons
How the weather changes over the seasons, with averages for each.
Saint-Louis in spring
Mar – May
Good
- 31–33 °C by day
- Sea 20 °C
- 9.3 h of sun a day
- 0 rainy days in all
Saint-Louis in summer
Jun – Aug
Good
- 31–32 °C by day
- Sea 26 °C
- 8.2 h of sun a day
- 12 rainy days in all
Saint-Louis in autumn
Sep – Nov
Fair
- 33–35 °C by day
- Sea 27 °C
- 8.0 h of sun a day
- 11 rainy days in all
Saint-Louis in winter
Dec – Feb
Good
- 32–33 °C by day
- Sea 20 °C
- 7.6 h of sun a day
- 1 rainy day in all
Which month for what?
Beach & swimming
Jun – Dec
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Peak heat
Mar, Sep – Nov
Highs of 33 °C or more
Find your perfect month
Tell us what you like and we rate every month in Saint-Louis for you.
Your best months: April – June
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: January, April – July
Where to go in OctoberSea temperature in October
Good forBeach & swimming
Keep in mindPeak heat
A typical day in October
- Morning, 08:00: about 26°
- Midday, 13:00: about 34°
- Afternoon, 16:00: about 34°
- Evening, 20:00: about 30°
- Night, 23:00: about 28°
06:5818:46
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:44–07:26 · evening 18:17–18:59
- Blue hour
- Morning 06:36–06:44 · evening 18:59–19:07
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Saint-Louis compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs rise from about 34° at the start of the month to 35° at the end. The sea cools from 28° to 26°. The days get 0.4 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 34° | 35° |
| Night-time low | 25° | 22° |
| Sea | 28° | 26° |
| Daylight | 12.0 h | 11.6 h |
What is the weather like in Saint-Louis in October?
In October, Saint-Louis is very hot: daytime highs average 35 °C, and even at night it stays warm at around 24 °C. The sea averages 27.8 °C – lovely and warm for swimming. The sun shines for around 8.4 hours a day. Rain is rare: about 3 days bring 15 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Saint-Louis.
More details for October
- Daylight
- 11 h 48 min06:58 – 18:46
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 25 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 40 %on averageAll months
- Hot days
- 31 days30 °C or moreAll months
- Time zone
- UTC+0offset from UTC
How the score comes together
- Temperatureweight 50 %4 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Compare two months in Saint-Louis
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
May has the better holiday weather in Saint-Louis: score 78 against 50. In May, days are 4 °C cooler than in October. The sea is 7 °C cooler in May. May has 3 fewer rainy days. The sun shines an hour longer a day in May.
| Month | October | May |
|---|---|---|
| Holiday weather score | 50 | 78better |
| Daytime high | 35° | 31° |
| Night-time low | 24° | 20° |
| Sea | 27.8° | 20.8° |
| Sunshine | 8.4 h | 9.6 hbetter |
| Rainy days | 3 | 0better |
| Rainfall | 15 mm | 0 mmbetter |
| Muggy days | 25 | 5better |
Based on the climate averages 1996–2025.
Saint-Louis month by month
The typical weather for every month at a glance.
66January32° · Sea 20° · 7.5 h
In January, Saint-Louis is hot: daytime highs average 32 °C, and nights cool down to about 16 °C. The sea averages 19.8 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7.5 hours a day. It hardly ever rains. On about 22 days the thermometer climbs to 30 °C or more. All in all, January is a good month for a holiday in Saint-Louis.
Saint-Louis in January61February33° · Sea 19° · 7.8 h
In February, Saint-Louis is hot: daytime highs average 33 °C, and nights cool down to about 17 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7.8 hours a day. It hardly ever rains. On about 22 days the thermometer climbs to 30 °C or more. All in all, February is a good month for a holiday in Saint-Louis.
Saint-Louis in February61March33° · Sea 19° · 8.9 h
In March, Saint-Louis is very hot: daytime highs average 33 °C, and nights cool down to about 18 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.9 hours a day. It hardly ever rains. On about 25 days the thermometer climbs to 30 °C or more. All in all, March is a good month for a holiday in Saint-Louis.
Saint-Louis in March71April32° · Sea 19° · 9.5 h
In April, Saint-Louis is hot: daytime highs average 32 °C, and nights cool down to about 19 °C. The sea averages 19.0 °C – bracing, so a wetsuit helps for longer swims. With around 9.5 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 19 days the thermometer climbs to 30 °C or more. All in all, April is a good month for a holiday in Saint-Louis.
Saint-Louis in April78May31° · Sea 21° · 9.6 h
In May, Saint-Louis is hot: daytime highs average 31 °C, and even at night it stays warm at around 20 °C. The sea averages 20.8 °C – refreshing for a swim. With around 9.6 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 15 days the thermometer climbs to 30 °C or more. All in all, May is a good month for a holiday in Saint-Louis.
Saint-Louis in May76June31° · Sea 24° · 9.5 h
In June, Saint-Louis is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 24.1 °C – pleasant for swimming. With around 9.5 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in Saint-Louis.
Saint-Louis in June70July32° · Sea 27° · 8.4 h
In July, Saint-Louis is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 26.5 °C – lovely and warm for swimming. The sun shines for around 8.4 hours a day. Rain is rare: about 2 days bring 15 mm in total. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in Saint-Louis.
Saint-Louis in July48August32° · Sea 28° · 6.6 h
In August, Saint-Louis is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 27.8 °C – lovely and warm for swimming. The sun shines for around 6.6 hours a day. Rain is frequent, with about 9 rainy days and 75 mm in total. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Saint-Louis.
Saint-Louis in August46September33° · Sea 28° · 7.4 h
In September, Saint-Louis is very hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 7.4 hours a day. Rain falls on about 8 days, adding up to 63 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Saint-Louis.
Saint-Louis in September50October35° · Sea 28° · 8.4 h
In October, Saint-Louis is very hot: daytime highs average 35 °C, and even at night it stays warm at around 24 °C. The sea averages 27.8 °C – lovely and warm for swimming. The sun shines for around 8.4 hours a day. Rain is rare: about 3 days bring 15 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Saint-Louis.
Saint-Louis in October48November35° · Sea 25° · 8.1 h
In November, Saint-Louis is very hot: daytime highs average 35 °C, and even at night it stays warm at around 21 °C. The sea averages 25.2 °C – pleasant for swimming. The sun shines for around 8.1 hours a day. It hardly ever rains. The thermometer climbs to 30 °C or more every day. All in all, November is a so-so month for a holiday in Saint-Louis.
Saint-Louis in November59December33° · Sea 22° · 7.4 h
In December, Saint-Louis is hot: daytime highs average 33 °C, and nights cool down to about 18 °C. The sea averages 22.4 °C – refreshing for a swim. The sun shines for around 7.4 hours a day. It hardly ever rains. On about 27 days the thermometer climbs to 30 °C or more. All in all, December is a so-so month for a holiday in Saint-Louis.
Saint-Louis in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Saint-Louis
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 25 days (dew point 18 °C or more).
The coolest nights are in January (16°), the warmest in August (25°). Tropical nights of 20 °C and more are the rule from May to November; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from December to April. It is muggy (dew point 18 °C or more) on about 151 days a year, mostly from June to October.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 66 | 32° | 16° | 19.8° | 7.5 h | 0 | 3 |
| FebruaryFeb | 61 | 33° | 17° | 18.6° | 7.8 h | 0 | 1 |
| MarchMar | 61 | 33° | 18° | 18.6° | 8.9 h | 0 | 0 |
| AprilApr | 71 | 32° | 19° | 19.0° | 9.5 h | 0 | 0 |
| MayMay | 78 | 31° | 20° | 20.8° | 9.6 h | 0 | 0 |
| JuneJun | 76 | 31° | 23° | 24.1° | 9.5 h | 1 | 2 |
| JulyJul | 70 | 32° | 25° | 26.5° | 8.4 h | 2 | 15 |
| AugustAug | 48 | 32° | 25° | 27.8° | 6.6 h | 9 | 75 |
| SeptemberSep | 46 | 33° | 25° | 28.4° | 7.4 h | 8 | 63 |
| OctoberOct | 50 | 35° | 24° | 27.8° | 8.4 h | 3 | 15 |
| NovemberNov | 48 | 35° | 21° | 25.2° | 8.1 h | 0 | 1 |
| DecemberDec | 59 | 33° | 18° | 22.4° | 7.4 h | 0 | 1 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
16.02° N, 16.49° W · 8 m · Africa/Dakar
Sea temperature
Sea temperature in Saint-Louis
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 26.8 – 28.6 °C
Swimming season: May – Dec
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Saint-Louis ranges from 18.6 °C in February to 28.4 °C in September. It is warm enough for a comfortable swim (20 °C and more) from May to December.
The sea temperature varies from year to year: in September, eight out of ten years were between 27.7 and 28.9 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 19.8° | 18.1° | 22.3° | fresh |
| FebruaryFeb | 18.6° | 16.7° | 20.7° | fresh |
| MarchMar | 18.6° | 17.4° | 20.3° | fresh |
| AprilApr | 19.0° | 18.1° | 19.9° | fresh |
| MayMay | 20.8° | 19.3° | 22.7° | refreshing |
| JuneJun | 24.1° | 23.0° | 25.6° | pleasant |
| JulyJul | 26.5° | 25.8° | 27.1° | warm |
| AugustAug | 27.8° | 26.9° | 28.6° | warm |
| SeptemberSep | 28.4° | 27.7° | 28.9° | warm |
| OctoberOct | 27.8° | 26.8° | 28.6° | warm |
| NovemberNov | 25.2° | 23.6° | 26.7° | pleasant |
| DecemberDec | 22.4° | 21.1° | 24.1° | refreshing |
Sunshine
Sunshine hours in Saint-Louis
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 8.4 of 11.8 hours of daylight in Saint-Louis, 71 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Saint-Louis: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Saint-Louis has about 3 rainy days with 15 mm of rain in total.
UV index
UV index in Saint-Louis
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 10 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in August (UV 13).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 15 min
- Light brown skin
- about 25 min
- Olive skin
- about 30 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind & clouds
Wind and clouds in Saint-Louis
How breezy and how cloudy Saint-Louis is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Saint-Louis typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: all year except Sep.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 40 % of the sky over Saint-Louis: mostly sunny, with about 8.4 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat & humidity
Heat and humidity in Saint-Louis
How often the day gets hot in Saint-Louis (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, it is hot in Saint-Louis every day, with an average daytime high of 35 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to Saint-Louis
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Saint-Louis in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Saint-Louis has its best school-holiday weather during May half-term (score 78) and its weakest during October half-term (score 50).
- 68
Easter holidays
Mar – Apr
Good
- 32 °C by day
- Sea 19 °C
- 9.3 h of sun a day
- 0 rainy days a month
Keep in mind: Peak heat
- 78
May half-term
May – Jun
GoodBest holidays
- 31 °C by day
- Sea 21 °C
- 9.6 h of sun a day
- 0 rainy days a month
- 56
Summer holidays
Jul – Aug
Fair
- 32 °C by day
- Sea 27 °C
- 7.2 h of sun a day
- 7 rainy days a month
Good for: Beach & swimming
- 50
October half-term
Oct
Fair
- 35 °C by day
- Sea 28 °C
- 8.4 h of sun a day
- 3 rainy days a month
Good for: Beach & swimming
Keep in mind: Peak heat
- 63
Christmas holidays
Dec – Jan
Good
- 32 °C by day
- Sea 21 °C
- 7.5 h of sun a day
- 0 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 5 h 35 min
- Distance
- 4,190 km
- Time zone
- UTC+0
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: Senegal
- Currency
- West African CFA Franc (XOF)
- Languages
- French, Wolof
- Sockets
- Type C, D, E, K · 230 V
- Traffic
- Drives on the right
- Dialling code
- +221
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Saint-Louis compared
Put Saint-Louis side by side with another destination.
Saint-Louis vs Dakar
In October Dakar has the better holiday weather (score 69 vs 50). During the day Dakar is 3 °C cooler than Saint-Louis. The sea in Dakar is 1 °C warmer.
| in October | Saint-Louis | Dakar |
|---|---|---|
| Holiday weather score | 50 | 69 |
| Daytime high | 35° | 32° |
| Sea | 28° | 29° |
| Sunshine | 8 h | 8 h |
| Rainy days | 3 | 4 |
| Best time | Jan, Apr – Jul | Dec – Jun |
Through the year
Best places in the country
Senegal in October: the best places
In October, Saint-Louis ranks 2 of 3 destinations in this country.
- Dakar32°29°69
- 2Saint-LouisThis page35°28°50
- 3Ziguinchor35°29°13
Places nearby
Near Saint-Louis
Other destinations close by.
Places with a similar climate
Places with a climate like Saint-Louis
Destinations whose weather through the year is closest to Saint-Louis's – good alternatives.
Frequently asked questions about Saint-Louis
When is the best time to visit Saint-Louis?
The best time to visit Saint-Louis is in January and from April to July. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Saint-Louis?
The sea temperature in Saint-Louis ranges from 18.6 °C in February to 28.4 °C in September. It is warm enough for a comfortable swim (20 °C and more) from May to December.
Can you swim in Saint-Louis in October?
Yes. In October the sea averages 27.8 °C – lovely and warm for swimming.
What is the warmest month in Saint-Louis?
November is the warmest month, with average highs of 35 °C and nights around 21 °C. May is the coolest month at 31 °C.
When does it rain most in Saint-Louis?
The wettest month is August with 75 mm of precipitation. The driest month is April with 0 mm.
How many hours of sunshine does Saint-Louis get?
Saint-Louis gets around 3,020 hours of sunshine a year. The sunniest month is May with 9.6 hours a day; in August there are 6.6 hours a day.
What time zone is Saint-Louis in?
Saint-Louis is on UTC all year.
How long is the flight from London to Saint-Louis?
A nonstop flight from London to Saint-Louis takes about 5 h 35 min, for a straight-line distance of about 4,190 km.
Which school holidays are best for Saint-Louis?
Saint-Louis has its best school-holiday weather during May half-term (score 78) and its weakest during October half-term (score 50). Holiday ratings (0–100): Easter holidays 68, May half-term 78, summer holidays 56, October half-term 50, Christmas holidays 63.