Matoury weather in October

In October, Matoury sees average daytime highs of 31°C and overnight lows near 24°C, with 72 mm of rain across 14.5 wet days and about 11.9 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 47% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 11 h 48 min by month's end. Set against the rest of the year, October is Matoury's 3rd-clearest and 6th-windiest month. For the whole year in context, see Matoury's year-round climate.

Daytime high
31°
1st warmest
Overnight low
24°
8th coldest
Rainfall
72 mm
14.5 wet days
Daylight
11 h 54 min
6:18 AM – 6:11 PM
Cloud cover
47%
3rd clearest
Wind
10 km/h
6th windiest
Solar energy
5.94 kWh/m²
Travel score
4.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical October day in Matoury reaches about 31°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How October really feels in Matoury

Once humidity and wind are folded in, October averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Matoury weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°25926.511.83.7
Feb28° / 24°21722.211.84.0
Mar29° / 24°17522.9123.9
Apr29° / 24°26424.812.13.5
May29° / 24°40829.212.23.1
Jun29° / 23°35428.412.33.1
Jul30° / 23°24026.612.33.4
Aug30° / 23°12619.912.23.9
Sep31° / 23°6213124.3
Oct31° / 24°7214.511.94.2
Nov30° / 24°15421.111.83.6
Dec29° / 24°27427.411.73.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 24% of October, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
27921
37921
47921
57822
67723
77723
87624
97624
107525
117525
127426
137426
147327
157327
167228
177228
187030
197030
206931
216832
226832
236634
246535
256436
266337
276238
286139
296040
305941
315743

Chance of precipitation in October

Any precipitation

Matoury gets around 72 mm of rain over 14.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 47% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
143
243
343
443
544
644
744
844
944
1045
1145
1245
1345
1445
1545
1645
1745
1846
1946
2047
2147
2248
2349
2450
2550
2651
2752
2853
2954
3056
3157

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1928
2928
3919
4919
5919
6919
7919
8919
9919
10919
11919
129010
139010
149010
159010
169010
179010
188911
198911
208812
218812
228713
238614
248515
258515
268416
278317
288218
298218
308119
318020

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over October. Sunrise moves from 6:20 AM to 6:18 AM, and sunset from 6:17 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:206:17
212.06:196:17
311.96:196:16
411.96:196:16
511.96:196:15
611.96:196:15
711.96:196:14
811.96:186:14
911.96:186:14
1011.96:186:13
1111.96:186:13
1211.96:186:12
1311.96:186:12
1411.96:186:12
1511.96:186:11
1611.96:186:11
1711.96:186:11
1811.96:176:10
1911.96:176:10
2011.96:176:10
2111.96:176:10
2211.96:176:09
2311.96:176:09
2411.96:176:09
2511.96:176:09
2611.86:186:09
2711.86:186:08
2811.86:186:08
2911.86:186:08
3011.86:186:08
3111.86:186:08

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.94 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.07 kWh/m² in September across the year — October's 5.94 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Bright
156.0Bright
166.0Bright
176.0Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in October

Is October a good time to visit Matoury?

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

4.2
Sightseeing
2nd-best month of the year
6.1
Beach & pool
2nd-best month of the year

October is a reasonable time to visit Matoury for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Matoury in October

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

In October, Matoury sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Matoury in October

The nearest coast averages about 28°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) 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
Apr28Warm
May28Warm
Jun28Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct28Tropical
Nov28Warm
Dec27Warm

UV index in Matoury in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Matoury peaks around April 12 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 12UV 14Dec 11UV 10
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Matoury in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Matoury is worst in February — around 26 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (August, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 1925 µg/m³Aug 137 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar25Moderate
Apr24Moderate
May17Moderate
Jun10Good
Jul7Good
Aug7Good
Sep8Good
Oct10Good
Nov11Good
Dec18Moderate
Location & terrain

Where is Matoury?

Matoury sits at 4.8°N, 52.3°W, 13 m above sea level, in French Guiana. The nearest listed city is Rémire-Montjoly, 10 km away.

KourouOiapoqueSaint-Laurent-du-Maroni

Topography around Matoury

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

Within 3 km, the terrain around Matoury has only modest variations in elevation — a maximum elevation change of 171 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 244 m; within 80 km, significant variations in elevation — a maximum elevation change of 487 m.

The land around Matoury is covered by trees (79%) within 3 km, trees (54%) and water (26%) within 16 km, and trees (56%) and water (38%) within 80 km.

3 km
171 m
16 km
244 m
80 km
487 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
October weather nearby: Rémire-Montjoly 10 km · Cayenne 10 km · Kourou 50 km · Oiapoque 124 km · Saint-Laurent-du-Maroni 202 km · Blauwgrond 329 km · Rainville 330 km · Beekhuizen 333 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 Matoury (4.8492°, -52.3235°, elevation 13 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).