Matoury weather in January

In January, Matoury sees average daytime highs of 28°C and overnight lows near 24°C, with 259 mm of rain across 26.5 wet days and about 11.8 hours of daylight. It is the 11th-warmest and 5th-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 5% 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 Matoury's 9th-clearest and 3rd-windiest month. For the whole year in context, see Matoury's year-round climate.

Daytime high
28°
11th warmest
Overnight low
24°
8th coldest
Rainfall
259 mm
26.5 wet days
Daylight
11 h 42 min
6:46 AM – 6:31 PM
Cloud cover
75%
9th clearest
Wind
12 km/h
3rd windiest
Solar energy
4.17 kWh/m²
Travel score
3.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Matoury reaches about 28°C in the afternoon and slips back to 24°C overnight — a 5°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, January runs on par with December and on par with February.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252824
262824
272824
282824
292824
302824
312824

How January really feels in Matoury

Once humidity and wind are folded in, January 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

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

Matoury weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 5th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32476
42377
52377
62377
72476
82476
92377
102377
112377
122377
132377
142476
152476
162476
172476
182476
192476
202377
212377
222377
232476
242476
252476
262575
272575
282575
292575
302575
312575

Chance of precipitation in January

Any precipitation

Matoury gets around 259 mm of rain over 26.5 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 85% and peaks near 89% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
289
388
488
588
687
787
887
987
1086
1186
1286
1385
1485
1585
1684
1784
1884
1984
2084
2184
2284
2383
2483
2583
2683
2782
2882
2982
3082
3181

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10937
20937
30937
40946
50946
60946
70946
80946
90946
101936
111936
121936
131936
141936
151945
162935
172935
182935
192935
202935
212935
222935
232935
242944
252944
262944
272944
282935
293925
303925
313925

Wind in January

Winds average 12 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

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 6:41 AM to 6:49 AM, and sunset from 6:24 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:416:24
211.76:416:25
311.76:426:25
411.76:426:26
511.76:426:26
611.76:436:27
711.76:436:27
811.76:446:27
911.76:446:28
1011.76:446:28
1111.76:456:29
1211.76:456:29
1311.76:456:30
1411.76:466:30
1511.76:466:31
1611.76:466:31
1711.76:466:31
1811.86:476:32
1911.86:476:32
2011.86:476:33
2111.86:476:33
2211.86:486:33
2311.86:486:34
2411.86:486:34
2511.86:486:34
2611.86:486:35
2711.86:496:35
2811.86:496:35
2911.86:496:36
3011.86:496:36
3111.86:496:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.17 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 — January's 4.17 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.3Bright
Planning a trip in January

Is January a good time to visit Matoury?

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

3.7
Sightseeing
6th-best month of the year
4.2
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Matoury.

What to pack for Matoury in January

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

In January, Matoury sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

Sea temperature near Matoury in January

The nearest coast averages about 27°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 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 January

LowModerateHighVery highExtreme

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 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).