AI-generatedSaint-Laurent-du-Maroni at a glance
- Best time
- All year
- Warmest month
- Sep · 33°
- Warmest sea
- Aug · 28.4°
- Sunshine a year
- 2,210 h
- Rain a year
- 2,392 mm
- Climate
- Tropical
- Time zone
- UTC−3
- Elevation
- 10 m
Climate in Saint-Laurent-du-Maroni
Saint-Laurent-du-Maroni has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. September is the warmest month with average highs of 33 °C, while January is the coolest at 29 °C. With around 2,210 hours of sunshine a year, Saint-Laurent-du-Maroni is sunny; September is the sunniest month with 7.8 hours a day.
Holiday weather through the year
Best time to visit Saint-Laurent-du-Maroni
The best time to visit Saint-Laurent-du-Maroni is all year round. The sea reaches 28.4 °C in August, but frequent rain gets in the way of a classic beach holiday. From September to October it can get very hot, with highs of up to 33 °C. The wettest month is May with 360 mm of precipitation.
Saint-Laurent-du-Maroni through the seasons
How the weather changes over the seasons, with averages for each.
Saint-Laurent-du-Maroni in spring
Mar – May
Good
- 30–31 °C by day
- Sea 27 °C
- 5.4 h of sun a day
- 68 rainy days in all
Saint-Laurent-du-Maroni in summer
Jun – Aug
Good
- 30–32 °C by day
- Sea 28 °C
- 6.2 h of sun a day
- 75 rainy days in all
Saint-Laurent-du-Maroni in autumn
Sep – Nov
Good
- 32–33 °C by day
- Sea 28 °C
- 7.1 h of sun a day
- 54 rainy days in all
Saint-Laurent-du-Maroni in winter
Dec – Feb
Good
- 29–30 °C by day
- Sea 27 °C
- 5.5 h of sun a day
- 66 rainy days in all
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Peak heat
Sep – Oct
Highs of 33 °C or more
Rainy months
All year
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Saint-Laurent-du-Maroni for you.
Your best months: January – March
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: all year
Where to go in OctoberSea temperature in October
Keep in mindPeak heatFrequent rain
A typical day in October
- Morning, 08:00: about 27°
- Midday, 13:00: about 33°
- Afternoon, 16:00: about 33°
- Evening, 20:00: about 28°
- Night, 23:00: about 26°
06:2218:22
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 06:09–06:49 · evening 17:54–18:35
- Blue hour
- Morning 06:01–06:09 · evening 18:35–18:43
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-Laurent-du-Maroni compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 33° at the start of the month to 32° at the end.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 33° | 32° |
| Night-time low | 23° | 24° |
| Sea | 28° | 28° |
| Daylight | 12.1 h | 11.9 h |
What is the weather like in Saint-Laurent-du-Maroni in October?
In October, Saint-Laurent-du-Maroni is very hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. The sea averages 28.2 °C – lovely and warm for swimming. The sun shines for around 7.3 hours a day. It rains often – on about 17 days, adding up to 107 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, October is a good month for a holiday in Saint-Laurent-du-Maroni.
More details for October
- Daylight
- 12 h 0 min06:22 – 18:22
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 12 km/haverage daily peakAll months
- Cloud cover
- 55 %on averageAll months
- Hot days
- 31 days30 °C or moreAll months
- Time zone
- UTC−3offset from UTC
How the score comes together
- Temperatureweight 35 %69 %
- Seaweight 25 %100 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 20 %10 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Compare two months in Saint-Laurent-du-Maroni
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
March has the better holiday weather in Saint-Laurent-du-Maroni: score 70 against 65. In March, days are 3 °C cooler than in October. The sea is 1 °C cooler in March. March has one more rainy day. The sun shines an hour less a day in March.
| Month | October | March |
|---|---|---|
| Holiday weather score | 65 | 70better |
| Daytime high | 33° | 30° |
| Night-time low | 24° | 23° |
| Sea | 28.2° | 26.8° |
| Sunshine | 7.3 hbetter | 5.9 h |
| Rainy days | 17better | 18 |
| Rainfall | 107 mmbetter | 122 mm |
| Muggy days | 31 | 31 |
Based on the climate averages 1996–2025.
Saint-Laurent-du-Maroni month by month
The typical weather for every month at a glance.
68January29° · Sea 27° · 5.5 h
In January, Saint-Laurent-du-Maroni is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 26.6 °C – lovely and warm for swimming. Expect around 5.5 hours of sunshine a day. It rains often – on about 22 days, adding up to 190 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in January69February30° · Sea 27° · 5.6 h
In February, Saint-Laurent-du-Maroni is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 26.7 °C – lovely and warm for swimming. Expect around 5.6 hours of sunshine a day. It rains often – on about 18 days, adding up to 146 mm. On about 10 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in February70March30° · Sea 27° · 5.9 h
In March, Saint-Laurent-du-Maroni is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 26.8 °C – lovely and warm for swimming. Expect around 5.9 hours of sunshine a day. It rains often – on about 18 days, adding up to 122 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in March68April31° · Sea 27° · 5.5 h
In April, Saint-Laurent-du-Maroni is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 27.1 °C – lovely and warm for swimming. Expect around 5.5 hours of sunshine a day. It rains often – on about 22 days, adding up to 225 mm. On about 24 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in April66May31° · Sea 27° · 4.7 h
In May, Saint-Laurent-du-Maroni is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 27.3 °C – lovely and warm for swimming. Expect around 4.7 hours of sunshine a day. It rains often – on about 28 days, adding up to 360 mm. On about 23 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in May67June30° · Sea 28° · 5.0 h
In June, Saint-Laurent-du-Maroni is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 27.8 °C – lovely and warm for swimming. Expect around 5.0 hours of sunshine a day. It rains often – on about 28 days, adding up to 341 mm. On about 20 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-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in June70July31° · Sea 28° · 6.3 h
In July, Saint-Laurent-du-Maroni is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 28.2 °C – lovely and warm for swimming. Expect around 6.3 hours of sunshine a day. It rains often – on about 27 days, adding up to 264 mm. On about 26 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-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in July68August32° · Sea 28° · 7.2 h
In August, Saint-Laurent-du-Maroni is hot: daytime highs average 32 °C, and even at night it stays warm at around 23 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 7.2 hours a day. It rains often – on about 20 days, adding up to 151 mm. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in August69September33° · Sea 28° · 7.8 h
In September, Saint-Laurent-du-Maroni is very hot: daytime highs average 33 °C, and even at night it stays warm at around 23 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 7.8 hours a day. It rains often – on about 15 days, adding up to 88 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, September is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in September65October33° · Sea 28° · 7.3 h
In October, Saint-Laurent-du-Maroni is very hot: daytime highs average 33 °C, and even at night it stays warm at around 24 °C. The sea averages 28.2 °C – lovely and warm for swimming. The sun shines for around 7.3 hours a day. It rains often – on about 17 days, adding up to 107 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, October is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in October68November32° · Sea 28° · 6.3 h
In November, Saint-Laurent-du-Maroni is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 27.9 °C – lovely and warm for swimming. Expect around 6.3 hours of sunshine a day. It rains often – on about 22 days, adding up to 175 mm. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni in November68December30° · Sea 27° · 5.4 h
In December, Saint-Laurent-du-Maroni is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 27.2 °C – lovely and warm for swimming. Expect around 5.4 hours of sunshine a day. It rains often – on about 26 days, adding up to 223 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Saint-Laurent-du-Maroni.
Saint-Laurent-du-Maroni 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-Laurent-du-Maroni
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- 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 31 days (dew point 18 °C or more).
The coolest nights are in July (23°), the warmest in April (24°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) all year, on about 365 days a year.
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 | 68 | 29° | 23° | 26.6° | 5.5 h | 22 | 190 |
| FebruaryFeb | 69 | 30° | 23° | 26.7° | 5.6 h | 18 | 146 |
| MarchMar | 70 | 30° | 23° | 26.8° | 5.9 h | 18 | 122 |
| AprilApr | 68 | 31° | 24° | 27.1° | 5.5 h | 22 | 225 |
| MayMay | 66 | 31° | 23° | 27.3° | 4.7 h | 28 | 360 |
| JuneJun | 67 | 30° | 23° | 27.8° | 5.0 h | 28 | 341 |
| JulyJul | 70 | 31° | 23° | 28.2° | 6.3 h | 27 | 264 |
| AugustAug | 68 | 32° | 23° | 28.4° | 7.2 h | 20 | 151 |
| SeptemberSep | 69 | 33° | 23° | 28.4° | 7.8 h | 15 | 88 |
| OctoberOct | 65 | 33° | 24° | 28.2° | 7.3 h | 17 | 107 |
| NovemberNov | 68 | 32° | 24° | 27.9° | 6.3 h | 22 | 175 |
| DecemberDec | 68 | 30° | 23° | 27.2° | 5.4 h | 26 | 223 |
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
5.50° N, 54.03° W · 10 m · America/Cayenne
Sea temperature
Sea temperature in Saint-Laurent-du-Maroni
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 27.7 – 28.9 °C
Swimming season: all year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Saint-Laurent-du-Maroni ranges from 26.6 °C in January to 28.4 °C in August. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea temperature varies from year to year: in August, eight out of ten years were between 27.9 and 28.9 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 26.6° | 26.3° | 27.2° | warm |
| FebruaryFeb | 26.7° | 26.1° | 27.1° | warm |
| MarchMar | 26.8° | 26.3° | 27.4° | warm |
| AprilApr | 27.1° | 26.6° | 27.9° | warm |
| MayMay | 27.3° | 26.7° | 28.1° | warm |
| JuneJun | 27.8° | 27.3° | 28.2° | warm |
| JulyJul | 28.2° | 27.7° | 28.7° | warm |
| AugustAug | 28.4° | 27.9° | 28.9° | warm |
| SeptemberSep | 28.4° | 27.8° | 29.0° | warm |
| OctoberOct | 28.2° | 27.7° | 28.9° | warm |
| NovemberNov | 27.9° | 27.2° | 28.5° | warm |
| DecemberDec | 27.2° | 26.4° | 27.8° | warm |
Sunshine
Sunshine hours in Saint-Laurent-du-Maroni
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 7.3 of 12.0 hours of daylight in Saint-Laurent-du-Maroni, 61 % 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-Laurent-du-Maroni: 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-Laurent-du-Maroni has about 17 rainy days with 107 mm of rain in total.
UV index
UV index in Saint-Laurent-du-Maroni
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 13 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.
The sun is strongest in September (UV 14).
Minutes until sunburn in October
- Very fair skin
- about 10 min
- Fair skin
- about 15 min
- Light brown skin
- about 20 min
- Olive skin
- about 25 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-Laurent-du-Maroni
How breezy and how cloudy Saint-Laurent-du-Maroni 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-Laurent-du-Maroni typically peaks at 12 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 55 % of the sky over Saint-Laurent-du-Maroni: variable cloud, with about 7.3 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-Laurent-du-Maroni
How often the day gets hot in Saint-Laurent-du-Maroni (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-Laurent-du-Maroni every day, with an average daytime high of 33 °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-Laurent-du-Maroni
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Saint-Laurent-du-Maroni 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-Laurent-du-Maroni has similar weather in all school holidays (scores 65 to 69).
- 69
Easter holidays
Mar – Apr
Good
- 31 °C by day
- Sea 27 °C
- 5.6 h of sun a day
- 21 rainy days a month
Keep in mind: Frequent rain
- 66
May half-term
May – Jun
Good
- 31 °C by day
- Sea 27 °C
- 4.8 h of sun a day
- 28 rainy days a month
Keep in mind: Frequent rain
- 69
Summer holidays
Jul – Aug
Good
- 32 °C by day
- Sea 28 °C
- 6.9 h of sun a day
- 22 rainy days a month
Keep in mind: Frequent rain
- 65
October half-term
Oct
Good
- 33 °C by day
- Sea 28 °C
- 7.3 h of sun a day
- 17 rainy days a month
Keep in mind: Peak heat, Frequent rain
- 68
Christmas holidays
Dec – Jan
Good
- 30 °C by day
- Sea 27 °C
- 5.5 h of sun a day
- 24 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h
- Distance
- 7,080 km
- Time zone
- UTC−3
- Jet lag
- About 3 days (4 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Good to know: French Guiana
- Currency
- Euro (EUR)
- Language
- French
- Sockets
- Type C, D, E · 220 V
- Traffic
- Drives on the right
- Dialling code
- +594
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-Laurent-du-Maroni compared
Put Saint-Laurent-du-Maroni side by side with another destination.
Saint-Laurent-du-Maroni vs Paramaribo
In October Paramaribo has the better holiday weather (score 76 vs 65). During the day Paramaribo is 1 °C cooler than Saint-Laurent-du-Maroni. The sea is about equally warm. Paramaribo gets one more hour of sunshine a day.
| in October | Saint-Laurent-du-Maroni | Paramaribo |
|---|---|---|
| Holiday weather score | 65 | 76 |
| Daytime high | 33° | 32° |
| Sea | 28° | 28° |
| Sunshine | 7 h | 8 h |
| Rainy days | 17 | 15 |
| Best time | All year | Jan – Mar, Sep |
Through the year
Best places in the country
French Guiana in October: the best places
In October, Saint-Laurent-du-Maroni ranks 2 of 3 destinations in this country.
All destinations: French GuianaPlaces nearby
Near Saint-Laurent-du-Maroni
Other destinations close by.
Places with a similar climate
Places with a climate like Saint-Laurent-du-Maroni
Destinations whose weather through the year is closest to Saint-Laurent-du-Maroni's – good alternatives.
Frequently asked questions about Saint-Laurent-du-Maroni
When is the best time to visit Saint-Laurent-du-Maroni?
The best time to visit Saint-Laurent-du-Maroni is all year round. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Saint-Laurent-du-Maroni?
The sea temperature in Saint-Laurent-du-Maroni ranges from 26.6 °C in January to 28.4 °C in August. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Saint-Laurent-du-Maroni in October?
Yes. In October the sea averages 28.2 °C – lovely and warm for swimming.
What is the warmest month in Saint-Laurent-du-Maroni?
September is the warmest month, with average highs of 33 °C and nights around 23 °C. January is the coolest month at 29 °C.
When does it rain most in Saint-Laurent-du-Maroni?
The wettest month is May with 360 mm of precipitation. The driest month is September with 88 mm.
How many hours of sunshine does Saint-Laurent-du-Maroni get?
Saint-Laurent-du-Maroni gets around 2,210 hours of sunshine a year. The sunniest month is September with 7.8 hours a day; in May there are 4.7 hours a day.
What time zone is Saint-Laurent-du-Maroni in?
Saint-Laurent-du-Maroni is on UTC−3 all year.
How long is the flight from London to Saint-Laurent-du-Maroni?
A nonstop flight from London to Saint-Laurent-du-Maroni takes about 9 h, for a straight-line distance of about 7,080 km.
Which school holidays are best for Saint-Laurent-du-Maroni?
Saint-Laurent-du-Maroni has similar weather in all school holidays (scores 65 to 69). Holiday ratings (0–100): Easter holidays 69, May half-term 66, summer holidays 69, October half-term 65, Christmas holidays 68.