Kourou weather in March

In March, Kourou sees average daytime highs of 28°C and overnight lows near 25°C, with 165 mm of rain across 23.8 wet days and about 12 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 13% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Kourou's 6th-clearest and 2nd-windiest month. For the whole year in context, see Kourou's year-round climate.

Daytime high
28°
10th warmest
Overnight low
25°
9th coldest
Rainfall
165 mm
23.8 wet days
Daylight
12 hours
6:41 AM – 6:39 PM
Cloud cover
69%
6th clearest
Wind
19 km/h
2nd windiest
Solar energy
5.23 kWh/m²
Travel score
4.3
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical March day in Kourou reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, March runs on par with February and on par with April.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12725
22725
32725
42725
52725
62725
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How March really feels in Kourou

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kourou weather by month

How March compares with the rest of the year at a glance. March is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°2362611.74.1
Feb27° / 24°19122.511.84.2
Mar28° / 25°16523.8124.3
Apr28° / 25°23625.312.14.0
May28° / 25°39228.912.23.6
Jun28° / 24°34628.712.33.4
Jul29° / 24°2042612.33.8
Aug29° / 25°9016.812.24.8
Sep29° / 25°4010125.5
Oct30° / 25°491211.95.2
Nov29° / 25°12820.411.84.2
Dec28° / 24°24426.911.73.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 25% of March, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33763
43763
53862
63862
73862
83961
93862
103961
113961
124060
133961
143961
154060
164060
173961
184060
194060
203961
213961
223961
233763
243763
253763
263763
273664
283664
293565
303565
313664

Chance of precipitation in March

Any precipitation

Kourou gets around 165 mm of rain over 23.8 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 77% and peaks near 80% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
180
279
379
478
578
677
776
876
975
1075
1175
1275
1375
1475
1575
1675
1775
1875
1976
2076
2176
2277
2377
2478
2578
2679
2779
2879
2979
3079
3180

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the oppressive band about 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
15923
25923
35923
45923
56913
66913
76913
86913
97903
107903
117903
127903
137903
147903
157903
167903
177903
187903
197903
206913
216913
226904
236904
246904
256904
265905
275905
285896
295887
304897
314888

Wind in March

Winds average 19 km/h in March.

Across March, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 54 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over March. Sunrise moves from 6:47 AM to 6:34 AM, and sunset from 6:41 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:476:41
211.96:476:41
311.96:466:41
411.96:466:40
511.96:466:40
611.96:456:40
711.96:456:40
811.96:456:40
911.96:446:40
1011.96:446:40
1111.96:436:40
1211.96:436:40
1312.06:436:40
1412.06:426:39
1512.06:426:39
1612.06:416:39
1712.06:416:39
1812.06:406:39
1912.06:406:39
2012.06:406:39
2112.06:396:38
2212.06:396:38
2312.06:386:38
2412.06:386:38
2512.06:376:38
2612.06:376:38
2712.06:366:37
2812.06:366:37
2912.06:356:37
3012.06:356:37
3112.06:346:37

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.23 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.25 kWh/m² in September across the year — March's 5.23 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in March

Hazard calendar for Kourou

In seasonPeak

None of Kourou's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Kourou's rainy season runs April–July, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Kourou?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.3
Sightseeing
4th-best month of the year
4.6
Beach & pool
6th-best month of the year

March is a reasonable time to visit Kourou for sightseeing.

What to pack for Kourou in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Kourou sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Kourou in March

The nearest coast averages about 27°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in July at about 28°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Warm
Jun28Warm
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct28Tropical
Nov28Warm
Dec27Warm

UV index in Kourou in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kourou peaks around April 11 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 11UV 14Dec 11UV 10
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Kourou in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Kourou is worst in February — around 28 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (August, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 1627 µg/m³Aug 157 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb28Moderate
Mar26Moderate
Apr26Moderate
May21Moderate
Jun12Moderate
Jul8Good
Aug7Good
Sep8Good
Oct10Good
Nov12Good
Dec21Moderate
Location & terrain

Where is Kourou?

Kourou sits at 5.2°N, 52.6°W, 7 m above sea level, in French Guiana. The nearest listed city is Cayenne, 42 km away.

CayenneMatouryRémire-MontjolySaint-Laurent-du-MaroniOiapoque

Topography around Kourou

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kourou.

Within 3 km, the terrain around Kourou has only modest variations in elevation — a maximum elevation change of 67 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 165 m; within 80 km, significant variations in elevation — a maximum elevation change of 403 m.

The land around Kourou is covered by water (45%) within 3 km, water (47%) and trees (34%) within 16 km, and trees (57%) and water (37%) within 80 km.

3 km
67 m
16 km
165 m
80 km
403 m
treesgrasslandartificial surfaceswaterwetlandmangroves
March weather nearby: Cayenne 42 km · Matoury 50 km · Rémire-Montjoly 50 km · Saint-Laurent-du-Maroni 158 km · Oiapoque 172 km · Blauwgrond 284 km · Rainville 286 km · Beekhuizen 289 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 Kourou (5.1628°, -52.6427°, elevation 7 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).