How many sunny days does Kourou have per year?

Kourou averages approximately 203 sunny days per year, based on historical climate data.

What is the air quality in Kourou?

Kourou has an annual PM2.5 concentration of 11.1 µg/m³, classified as "Fair" by WHO standards. Slightly above WHO targets. Sensitive individuals may notice effects.

Guyane

Kourou · French Guiana

A city in French Guiana.

Small city

24K

01:08 UTC-3

EUR

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Kourou, French Guiana is a 24K-resident city with 203 sunny days and 0 frost days annually and an annual PM2.5 of 11.1 µg/m³. A city in French Guiana.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Kourou

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	27	28	28	28	28	29	29	30	30	30	29	28	29
Daily mean°C	26	26	27	26	27	27	27	28	28	28	27	27	27
Daily low°C	25	25	25	25	25	25	25	26	26	26	26	25	25
Thermal comfort
High feelsDaily high feels-like°C	32	31	33	33	34	35	36	36	36	36	35	34	34
Mean feelsDaily mean feels-like°C	28	27	29	29	29	30	31	32	32	32	31	29	30
Low feelsDaily low feels-like°C	23	23	23	24	25	25	25	26	26	26	25	24	25
Humidity
HumidityRelative humidity%	84	81	79	84	87	85	84	81	80	80	85	85	83
Dewpoint°C	23.3	23.1	23.3	23.8	24.3	24.1	24.0	24.2	24.1	24.3	24.2	24.0	23.9
Precipitation
Rainfallmm	229	122	177	355	499	289	243	86	22	69	173	338	2601
Rain days≥1mm	27	22	25	27	31	29	27	16	8	19	27	30	288
Wind
Wind avgm/s	5.1	5.2	5.0	4.6	4.3	3.1	3.0	3.3	4.2	3.9	3.7	4.3	4.2
Wind gustsm/s	6.5	6.6	6.8	6.5	5.9	5.0	4.9	4.9	5.6	5.7	5.3	6.1	5.8
Sun & UV
Sunshinehrs/day	8.3	7.7	8.7	8.0	8.0	8.5	9.0	9.6	9.6	9.3	8.7	8.7	8.7
Clear skyindex	28%	21%	32%	23%	24%	29%	41%	53%	61%	49%	28%	29%	35%
UV indexmax avg	7.9	6.9	9.2	8.8	7.6	8.4	8.2	9.9	10.8	9.9	8.4	6.7	8.6

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

Confidence: High

Lifestyle Calendar·Kourou

Outdoor activities in Kourou are challenging most of the year. June through December are the toughest stretch. Running is tough year-round, while even walking manages 5/12 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

61Feb: 61% viability

62Mar: 62% viability

48Apr: 48% viability

40May: 40% viability

45Jun: 45% viability

48Jul: 48% viability

44Aug: 44% viability

45Sep: 45% viability

44Oct: 44% viability

46Nov: 46% viability

49Dec: 49% viability

0/12

Dinner Outside

61Jan: 61% viability

61Feb: 61% viability

62Mar: 62% viability

48Apr: 48% viability

40May: 40% viability

45Jun: 45% viability

48Jul: 48% viability

44Aug: 44% viability

45Sep: 45% viability

44Oct: 44% viability

46Nov: 46% viability

49Dec: 49% viability

49%

Humid

0/12

Lunch Outside

16Jan: 16% viability

19Feb: 19% viability

20Mar: 20% viability

10Apr: 10% viability

6May: 6% viability

7Jun: 7% viability

10Jul: 10% viability

18Aug: 18% viability

25Sep: 25% viability

22Oct: 22% viability

11Nov: 11% viability

9Dec: 9% viability

0/12

Lunch Outside

16Jan: 16% viability

19Feb: 19% viability

20Mar: 20% viability

10Apr: 10% viability

6May: 6% viability

7Jun: 7% viability

10Jul: 10% viability

18Aug: 18% viability

25Sep: 25% viability

22Oct: 22% viability

11Nov: 11% viability

9Dec: 9% viability

14%

Rain

5/12

Walking

89Jan: 89% viability

89Feb: 89% viability

81Mar: 81% viability

72Apr: 72% viability

66May: 66% viability

46Jun: 46% viability

39Jul: 39% viability

18Aug: 18% viability

14Sep: 14% viability

17Oct: 17% viability

44Nov: 44% viability

63Dec: 63% viability

5/12

Walking

89Jan: 89% viability

89Feb: 89% viability

81Mar: 81% viability

72Apr: 72% viability

66May: 66% viability

46Jun: 46% viability

39Jul: 39% viability

18Aug: 18% viability

14Sep: 14% viability

17Oct: 17% viability

44Nov: 44% viability

63Dec: 63% viability

53%

Humid

0/12

Running

31Jan: 31% viability

39Feb: 39% viability

21Mar: 21% viability

18Apr: 18% viability

16May: 16% viability

9Jun: 9% viability

5Jul: 5% viability

1Aug: 1% viability

1Sep: 1% viability

2Oct: 2% viability

9Nov: 9% viability

18Dec: 18% viability

0/12

Running

31Jan: 31% viability

39Feb: 39% viability

21Mar: 21% viability

18Apr: 18% viability

16May: 16% viability

9Jun: 9% viability

5Jul: 5% viability

1Aug: 1% viability

1Sep: 1% viability

2Oct: 2% viability

9Nov: 9% viability

18Dec: 18% viability

14%

Rain

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

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

Confidence: High

Kourou · French Guiana

Climate

Climate Lab·Kourou

Lifestyle Calendar·Kourou

Air Quality Profile

Air Quality Profile

Who thrives in Kourou

Frequently asked about Kourou