Saint-Laurent-du-Maroni weather in January
In January, Saint-Laurent-du-Maroni sees average daytime highs of 29°C and overnight lows near 23°C, with 164 mm of rain across 21.4 wet days and about 11.7 hours of daylight. It is the 11th-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 8% of the time in January, and the air most often feels oppressive.
Daylight stretches from about 11 h 42 min at the start of January to 11 h 48 min by month's end. Set against the rest of the year, January is Saint-Laurent-du-Maroni's 9th-clearest and 3rd-windiest month. For the whole year in context, see Saint-Laurent-du-Maroni's year-round climate.
- Daytime high
- 29°
- 11th warmest
- Overnight low
- 23°
- 2nd coldest
- Rainfall
- 164 mm
- 21.4 wet days
- Daylight
- 11 h 42 min
- 6:54 AM – 6:37 PM
- Cloud cover
- 72%
- 9th clearest
- Wind
- 10 km/h
- 3rd windiest
- Solar energy
- 4.43 kWh/m²
- Travel score
- 4.1
- out of 10
Saint-Laurent-du-Maroni is commune in Guyane, France.
- Density
- 5/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 29°C through the month.
A typical January day in Saint-Laurent-du-Maroni reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 23 |
| 2 | 29 | 23 |
| 3 | 29 | 23 |
| 4 | 29 | 23 |
| 5 | 29 | 23 |
| 6 | 29 | 23 |
| 7 | 29 | 23 |
| 8 | 29 | 23 |
| 9 | 29 | 23 |
| 10 | 29 | 23 |
| 11 | 29 | 23 |
| 12 | 29 | 23 |
| 13 | 29 | 23 |
| 14 | 29 | 23 |
| 15 | 29 | 23 |
| 16 | 29 | 23 |
| 17 | 29 | 23 |
| 18 | 29 | 23 |
| 19 | 29 | 23 |
| 20 | 29 | 23 |
| 21 | 29 | 23 |
| 22 | 29 | 23 |
| 23 | 29 | 23 |
| 24 | 29 | 23 |
| 25 | 29 | 23 |
| 26 | 29 | 23 |
| 27 | 29 | 23 |
| 28 | 29 | 23 |
| 29 | 29 | 23 |
| 30 | 29 | 23 |
| 31 | 29 | 23 |
How January really feels in Saint-Laurent-du-Maroni
Once humidity and wind are folded in, January averages 19 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Saint-Laurent-du-Maroni weather by month
How January compares with the rest of the year at a glance. January is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 23° | 164 | 21.4 | 11.7 | 4.1 |
| Feb | 29° / 23° | 123 | 17 | 11.8 | 4.4 |
| Mar | 29° / 23° | 106 | 17.4 | 12 | 4.4 |
| Apr | 29° / 24° | 186 | 21.3 | 12.1 | 3.7 |
| May | 30° / 24° | 320 | 27.4 | 12.2 | 3.1 |
| Jun | 30° / 23° | 332 | 28.1 | 12.3 | 2.9 |
| Jul | 30° / 23° | 254 | 26.5 | 12.3 | 3.1 |
| Aug | 31° / 23° | 148 | 19.5 | 12.2 | 3.6 |
| Sep | 31° / 23° | 88 | 14.6 | 12 | 3.9 |
| Oct | 31° / 23° | 100 | 16.1 | 11.9 | 3.8 |
| Nov | 31° / 23° | 172 | 21.9 | 11.7 | 3.3 |
| Dec | 29° / 23° | 203 | 25.1 | 11.7 | 3.4 |
Cloud cover in January
The sky is clear or mostly clear about 8% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 71%.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 29 | 28 | 29 |
| Cloudier (%) | 72 | 72 | 72 | 71 | 71 | 71 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 70 | 70 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 73 | 72 | 72 | 72 | 72 | 71 | 72 | 71 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 28 | 72 |
| 2 | 28 | 72 |
| 3 | 28 | 72 |
| 4 | 29 | 71 |
| 5 | 29 | 71 |
| 6 | 29 | 71 |
| 7 | 30 | 70 |
| 8 | 30 | 70 |
| 9 | 30 | 70 |
| 10 | 29 | 71 |
| 11 | 29 | 71 |
| 12 | 29 | 71 |
| 13 | 29 | 71 |
| 14 | 30 | 70 |
| 15 | 30 | 70 |
| 16 | 29 | 71 |
| 17 | 29 | 71 |
| 18 | 29 | 71 |
| 19 | 28 | 72 |
| 20 | 28 | 72 |
| 21 | 28 | 72 |
| 22 | 28 | 72 |
| 23 | 28 | 72 |
| 24 | 27 | 73 |
| 25 | 28 | 72 |
| 26 | 28 | 72 |
| 27 | 28 | 72 |
| 28 | 28 | 72 |
| 29 | 29 | 71 |
| 30 | 28 | 72 |
| 31 | 29 | 71 |
Chance of precipitation in January
Saint-Laurent-du-Maroni gets around 164 mm of rain over 21.4 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 69% and peaks near 77% on the wettest days. The odds ease toward the end of the month.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 77 | 76 | 76 | 75 | 75 | 74 | 74 | 73 | 73 | 72 | 71 | 71 | 70 | 69 | 68 | 68 | 67 | 67 | 67 | 66 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 63 | 63 |
| Rain chance (%) | |
|---|---|
| 1 | 77 |
| 2 | 76 |
| 3 | 76 |
| 4 | 75 |
| 5 | 75 |
| 6 | 74 |
| 7 | 74 |
| 8 | 73 |
| 9 | 73 |
| 10 | 72 |
| 11 | 71 |
| 12 | 71 |
| 13 | 70 |
| 14 | 69 |
| 15 | 68 |
| 16 | 68 |
| 17 | 67 |
| 18 | 67 |
| 19 | 67 |
| 20 | 66 |
| 21 | 66 |
| 22 | 66 |
| 23 | 65 |
| 24 | 65 |
| 25 | 65 |
| 26 | 65 |
| 27 | 64 |
| 28 | 64 |
| 29 | 64 |
| 30 | 63 |
| 31 | 63 |
Humidity in January
Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the oppressive band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Oppressive (%) | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 91 | 91 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 |
| Miserable (%) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 1 | 92 | 7 |
| 2 | 1 | 92 | 7 |
| 3 | 1 | 92 | 7 |
| 4 | 1 | 93 | 6 |
| 5 | 1 | 93 | 6 |
| 6 | 1 | 93 | 6 |
| 7 | 1 | 93 | 6 |
| 8 | 1 | 93 | 6 |
| 9 | 1 | 93 | 6 |
| 10 | 2 | 92 | 6 |
| 11 | 2 | 92 | 6 |
| 12 | 2 | 92 | 6 |
| 13 | 2 | 92 | 6 |
| 14 | 3 | 91 | 6 |
| 15 | 3 | 91 | 6 |
| 16 | 3 | 92 | 5 |
| 17 | 3 | 92 | 5 |
| 18 | 3 | 92 | 5 |
| 19 | 3 | 92 | 5 |
| 20 | 4 | 91 | 5 |
| 21 | 4 | 91 | 5 |
| 22 | 4 | 91 | 5 |
| 23 | 4 | 91 | 5 |
| 24 | 4 | 91 | 5 |
| 25 | 4 | 91 | 5 |
| 26 | 4 | 91 | 5 |
| 27 | 4 | 91 | 5 |
| 28 | 4 | 91 | 5 |
| 29 | 4 | 91 | 5 |
| 30 | 4 | 91 | 5 |
| 31 | 4 | 91 | 5 |
Wind in January
Winds average 10 km/h in January.
Across January, daily wind ranges from about 10 km/h on the calmest days to 11 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 |
| 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 | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 11 | calm |
| 31 | 11 | calm |
Sunrise & sunset in January
Daylight runs from about 11 h 42 min at the start of January to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over January. Sunrise moves from 6:49 AM to 6:57 AM, and sunset from 6:30 PM to 6:42 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 6:49 | 6:49 | 6:50 | 6:50 | 6:50 | 6:51 | 6:51 | 6:51 | 6:52 | 6:52 | 6:52 | 6:53 | 6:53 | 6:53 | 6:54 | 6:54 | 6:54 | 6:55 | 6:55 | 6:55 | 6:55 | 6:55 | 6:56 | 6:56 | 6:56 | 6:56 | 6:56 | 6:56 | 6:56 | 6:57 | 6:57 |
| Sunset (PM) | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.7 | 6:49 | 6:30 |
| 2 | 11.7 | 6:49 | 6:30 |
| 3 | 11.7 | 6:50 | 6:31 |
| 4 | 11.7 | 6:50 | 6:31 |
| 5 | 11.7 | 6:50 | 6:32 |
| 6 | 11.7 | 6:51 | 6:32 |
| 7 | 11.7 | 6:51 | 6:33 |
| 8 | 11.7 | 6:51 | 6:33 |
| 9 | 11.7 | 6:52 | 6:34 |
| 10 | 11.7 | 6:52 | 6:34 |
| 11 | 11.7 | 6:52 | 6:35 |
| 12 | 11.7 | 6:53 | 6:35 |
| 13 | 11.7 | 6:53 | 6:35 |
| 14 | 11.7 | 6:53 | 6:36 |
| 15 | 11.7 | 6:54 | 6:36 |
| 16 | 11.7 | 6:54 | 6:37 |
| 17 | 11.7 | 6:54 | 6:37 |
| 18 | 11.7 | 6:55 | 6:38 |
| 19 | 11.7 | 6:55 | 6:38 |
| 20 | 11.7 | 6:55 | 6:38 |
| 21 | 11.7 | 6:55 | 6:39 |
| 22 | 11.7 | 6:55 | 6:39 |
| 23 | 11.7 | 6:56 | 6:40 |
| 24 | 11.7 | 6:56 | 6:40 |
| 25 | 11.7 | 6:56 | 6:40 |
| 26 | 11.7 | 6:56 | 6:41 |
| 27 | 11.7 | 6:56 | 6:41 |
| 28 | 11.7 | 6:56 | 6:41 |
| 29 | 11.8 | 6:56 | 6:42 |
| 30 | 11.8 | 6:57 | 6:42 |
| 31 | 11.8 | 6:57 | 6:42 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 4.43 kWh/m².
For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.17 kWh/m² in September across the year — January's 4.43 kWh/m² sits near the bottom.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| 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 | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.3 | Bright |
| 2 | 4.4 | Bright |
| 3 | 4.4 | Bright |
| 4 | 4.4 | Bright |
| 5 | 4.4 | Bright |
| 6 | 4.4 | Bright |
| 7 | 4.4 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.4 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.4 | Bright |
| 14 | 4.4 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.5 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.5 | Bright |
| 31 | 4.5 | Bright |
Is January a good time to visit Saint-Laurent-du-Maroni?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Saint-Laurent-du-Maroni for sightseeing.
What to pack for Saint-Laurent-du-Maroni in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Saint-Laurent-du-Maroni sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. About 21 days see rain.
Sea temperature near Saint-Laurent-du-Maroni in January
The nearest coast averages about 26°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 43 km away) is warmest in August at about 28°C and coldest in January near 26°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) | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 27 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 28 | Tropical |
| Oct | 28 | Tropical |
| Nov | 28 | Warm |
| Dec | 27 | Warm |
UV index in Saint-Laurent-du-Maroni in January
Clear-sky midday UV in January peaks around 13 (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-Laurent-du-Maroni peaks around March 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 10 (extreme).
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) | 13 | 13 | 14 | 14 | 13 | 11 | 11 | 11 | 12 | 12 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Extreme |
Air quality in Saint-Laurent-du-Maroni in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Saint-Laurent-du-Maroni is worst in February — around 24 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (August, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 22 | 24 | 24 | 24 | 19 | 12 | 8 | 7 | 10 | 14 | 12 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 24 | Moderate |
| Mar | 24 | Moderate |
| Apr | 24 | Moderate |
| May | 19 | Moderate |
| Jun | 12 | Good |
| Jul | 8 | Good |
| Aug | 7 | Good |
| Sep | 10 | Good |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 18 | Moderate |
Where is Saint-Laurent-du-Maroni?
Saint-Laurent-du-Maroni sits at 5.5°N, 54.0°W, 10 m above sea level, in French Guiana. The nearest listed city is Blauwgrond, 126 km away.
Topography around Saint-Laurent-du-Maroni
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Laurent-du-Maroni.
Within 3 km, the terrain around Saint-Laurent-du-Maroni has only modest variations in elevation — a maximum elevation change of 48 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 87 m; within 80 km, significant variations in elevation — a maximum elevation change of 574 m.
The land around Saint-Laurent-du-Maroni is covered by water (41%) and trees (34%) within 3 km, trees (86%) within 16 km, and trees (73%) and water (23%) within 80 km.
French Guiana travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- 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-Laurent-du-Maroni (5.5015°, -54.0292°, elevation 10 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. 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).