How many sunny days does Saint-Laurent-du-Maroni have per year?

Saint-Laurent-du-Maroni averages approximately 190 sunny days per year, based on historical climate data.

What is the air quality in Saint-Laurent-du-Maroni?

Saint-Laurent-du-Maroni has an annual PM2.5 concentration of 12.0 µg/m³, classified as "Fair" by WHO standards. Slightly above WHO targets. Sensitive individuals may notice effects.

Guyane

Saint-Laurent-du-Maroni · French Guiana

A city in French Guiana.

Small city

24K

10m

01:09 UTC-3

EUR

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Saint-Laurent-du-Maroni, French Guiana is a 24K-resident city with 190 sunny days and 0 frost days annually and an annual PM2.5 of 12.0 µg/m³. A city in French Guiana.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Saint-Laurent-du-Maroni

Monthly climate metrics across temperature, precipitation, wind, and UV.

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Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	29	29	30	29	30	30	31	32	32	32	30	30	30
Daily mean°C	26	27	27	26	27	27	27	28	29	29	27	27	27
Daily low°C	24	24	24	24	25	24	24	25	25	25	25	24	25
Thermal comfort
High feelsDaily high feels-like°C	33	32	33	34	34	35	36	36	37	37	35	34	35
Mean feelsDaily mean feels-like°C	29	28	29	29	29	31	31	32	33	33	31	30	30
Low feelsDaily low feels-like°C	23	23	23	24	25	25	25	26	26	26	25	24	25
Humidity
HumidityRelative humidity%	85	82	78	83	88	88	85	80	78	79	86	87	83
Dewpoint°C	23.4	23.3	23.5	24.0	24.5	24.4	24.3	24.4	24.3	24.5	24.5	24.3	24.1
Precipitation
Rainfallmm	179	75	75	305	389	261	213	133	73	70	168	232	2172
Rain days≥1mm	25	19	19	24	29	29	28	21	17	18	25	27	281
Wind
Wind avgm/s	2.8	3.3	3.1	2.6	2.2	1.7	1.7	1.7	2.3	2.4	2.1	2.3	2.3
Wind gustsm/s	4.6	4.9	4.6	4.3	3.9	3.0	2.8	3.0	3.4	3.5	3.4	3.6	3.8
Sun & UV
Sunshinehrs/day	8.3	9.1	9.1	8.0	7.3	8.3	9.2	9.3	9.3	9.2	8.9	8.6	8.7
Clear skyindex	32%	27%	32%	23%	24%	28%	38%	48%	55%	47%	30%	27%	34%
UV indexmax avg	8.0	7.2	8.5	8.5	7.4	8.5	8.0	10.0	10.5	9.7	8.6	6.8	8.5

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar·Saint-Laurent-du-Maroni

Outdoor activities in Saint-Laurent-du-Maroni are challenging most of the year. 8 months of the year are the toughest stretch. Running is tough year-round, while even walking manages 4/12 months.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

0/12

Dinner Outside

61Jan: 61% viability

63Feb: 63% viability

63Mar: 63% viability

47Apr: 47% viability

40May: 40% viability

41Jun: 41% viability

43Jul: 43% viability

41Aug: 41% viability

43Sep: 43% viability

43Oct: 43% viability

43Nov: 43% viability

47Dec: 47% viability

0/12

Dinner Outside

61Jan: 61% viability

63Feb: 63% viability

63Mar: 63% viability

47Apr: 47% viability

40May: 40% viability

41Jun: 41% viability

43Jul: 43% viability

41Aug: 41% viability

43Sep: 43% viability

43Oct: 43% viability

43Nov: 43% viability

47Dec: 47% viability

48%

Humid

0/12

Lunch Outside

18Jan: 18% viability

22Feb: 22% viability

22Mar: 22% viability

11Apr: 11% viability

7May: 7% viability

7Jun: 7% viability

9Jul: 9% viability

18Aug: 18% viability

24Sep: 24% viability

20Oct: 20% viability

11Nov: 11% viability

9Dec: 9% viability

0/12

Lunch Outside

18Jan: 18% viability

22Feb: 22% viability

22Mar: 22% viability

11Apr: 11% viability

7May: 7% viability

7Jun: 7% viability

9Jul: 9% viability

18Aug: 18% viability

24Sep: 24% viability

20Oct: 20% viability

11Nov: 11% viability

9Dec: 9% viability

15%

Humid

4/12

Walking

81Jan: 81% viability

82Feb: 82% viability

74Mar: 74% viability

63Apr: 63% viability

65May: 65% viability

44Jun: 44% viability

32Jul: 32% viability

15Aug: 15% viability

11Sep: 11% viability

14Oct: 14% viability

36Nov: 36% viability

57Dec: 57% viability

4/12

Walking

81Jan: 81% viability

82Feb: 82% viability

74Mar: 74% viability

63Apr: 63% viability

65May: 65% viability

44Jun: 44% viability

32Jul: 32% viability

15Aug: 15% viability

11Sep: 11% viability

14Oct: 14% viability

36Nov: 36% viability

57Dec: 57% viability

48%

Humid

0/12

Running

20Jan: 20% viability

29Feb: 29% viability

15Mar: 15% viability

13Apr: 13% viability

12May: 12% viability

8Jun: 8% viability

3Jul: 3% viability

1Aug: 1% viability

0Sep: 0% viability

2Oct: 2% viability

5Nov: 5% viability

13Dec: 13% viability

0/12

Running

20Jan: 20% viability

29Feb: 29% viability

15Mar: 15% viability

13Apr: 13% viability

12May: 12% viability

8Jun: 8% viability

3Jul: 3% viability

1Aug: 1% viability

0Sep: 0% viability

2Oct: 2% viability

5Nov: 5% viability

13Dec: 13% viability

10%

Humid

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Saint-Laurent-du-Maroni · French Guiana

Climate

Climate Lab·Saint-Laurent-du-Maroni

Lifestyle Calendar·Saint-Laurent-du-Maroni

Air Quality Profile

Air Quality Profile

Who thrives in Saint-Laurent-du-Maroni

Frequently asked about Saint-Laurent-du-Maroni