Maroantsetra weather in August

In August, Maroantsetra sees average daytime highs of 22°C and overnight lows near 19°C, with 250 mm of rain across 28 wet days and about 11.5 hours of daylight. It is the 11th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 9% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 18 min at the start of August to 11 h 42 min by month's end. Set against the rest of the year, August is Maroantsetra's 6th-clearest and 3rd-windiest month. For the whole year in context, see Maroantsetra's year-round climate.

Daytime high
22°
11th warmest
Overnight low
19°
1st coldest
Rainfall
250 mm
28 wet days
Daylight
11 h 30 min
6:01 AM – 5:30 PM
Cloud cover
63%
6th clearest
Wind
12 km/h
3rd windiest
Solar energy
3.82 kWh/m²
Travel score
4.0
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical August day in Maroantsetra reaches about 22°C in the afternoon and slips back to 19°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 23°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12219
22219
32219
42219
52219
62219
72219
82219
92219
102219
112219
122219
132219
142219
152219
162219
172219
182219
192219
202219
212219
222219
232219
242219
252219
262219
272219
282219
292219
302219
312219

Maroantsetra weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°34227.512.83.4
Feb28° / 24°3542512.53.4
Mar28° / 23°38728.312.13.7
Apr26° / 23°29327.411.73.9
May25° / 21°23025.411.34.5
Jun23° / 20°27727.611.14.1
Jul22° / 19°31628.911.23.9
Aug22° / 19°2502811.54.0
Sep23° / 19°17825.711.94.4
Oct25° / 20°14324.312.44.8
Nov26° / 22°14022.212.74.8
Dec28° / 23°22626.512.94.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 35% of August, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33763
43763
53862
63862
73961
83961
94060
104159
114159
124258
134357
144456
154555
164555
174654
184654
194753
204753
214753
224852
234852
244852
254852
264951
274951
284852
294852
304951
314852

Chance of precipitation in August

Any precipitation

Maroantsetra gets around 250 mm of rain over 28 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 90% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
293
393
492
592
691
791
891
990
1090
1190
1290
1389
1489
1589
1689
1789
1889
1989
2089
2190
2290
2390
2490
2590
2690
2790
2890
2990
3090
3190

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1364321
2365311
3366301
4367291
5368290
6468280
7469270
8470260
9470260
10471250
11471250
12471250
13471250
14471250
15471250
16471250
17471250
18471250
19471250
20471250
21471250
22470260
23470260
24470260
25470260
26469270
27469270
28469270
29468280
30468280
31467290

Wind in August

Winds average 12 km/h in August.

Across August, daily wind ranges from about 12 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
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 18 min at the start of August to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over August. Sunrise moves from 6:08 AM to 5:51 AM, and sunset from 5:26 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:085:26
211.36:085:26
311.36:075:27
411.36:075:27
511.36:065:27
611.46:065:27
711.46:055:28
811.46:055:28
911.46:055:28
1011.46:045:28
1111.46:045:29
1211.46:035:29
1311.46:025:29
1411.56:025:29
1511.56:015:29
1611.56:015:30
1711.56:005:30
1811.56:005:30
1911.55:595:30
2011.55:585:30
2111.55:585:30
2211.65:575:30
2311.65:565:31
2411.65:565:31
2511.65:555:31
2611.65:545:31
2711.65:545:31
2811.65:535:31
2911.75:525:31
3011.75:515:31
3111.75:515:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.82 kWh/m².

For context, solar energy here swings from a low near 3.24 kWh/m² to a high of 5.76 kWh/m² in November across the year — August's 3.82 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
214.0Moderate
224.0Moderate
234.0Bright
244.0Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in August

Hazard calendar for Maroantsetra

In seasonPeak

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

Maroantsetra sits in the South Indian Ocean cyclone belt; the season peaks January–March.

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

Is August a good time to visit Maroantsetra?

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

4.0
Sightseeing
6th-best month of the year
2.9
Beach & pool
11th-best month of the year

August is a reasonable time to visit Maroantsetra for sightseeing.

What to pack for Maroantsetra in August

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

In August, Maroantsetra sees daytime highs around 22°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 28 days see rain.

rain gearlight clothes

Sea temperature near Maroantsetra in August

The nearest coast averages about 24°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 km away) is warmest in February at about 29°C and coldest in August near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr28Tropical
May27Warm
Jun25Warm
Jul24Warm
Aug24Refreshing
Sep24Warm
Oct26Warm
Nov27Warm
Dec28Tropical

UV index in Maroantsetra in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Maroantsetra peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 24UV 15Jun 20UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Maroantsetra in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Maroantsetra is worst in November — around 26 µg/m³ PM2.5 (moderate), about 6.4× the cleanest month (August, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1825 µg/m³Aug 184 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb5Good
Mar5Good
Apr5Good
May5Good
Jun5Good
Jul5Good
Aug4Good
Sep4Good
Oct7Good
Nov26Moderate
Dec16Moderate
Location & terrain

Where is Maroantsetra?

Maroantsetra sits at 15.4°S, 49.7°E, 10 m above sea level, in Madagascar. The nearest listed city is Mananara, 82 km away.

AndapaAmpahanaBefandrianaSambavaBealananaSoanierana Ivongo

Topography around Maroantsetra

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

Within 3 km, the terrain around Maroantsetra has only modest variations in elevation — a maximum elevation change of 13 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 518 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,494 m.

The land around Maroantsetra is covered by water (31%) and trees (20%) within 3 km, water (40%) and trees (28%) within 16 km, and trees (66%) within 80 km.

3 km
13 m
16 km
518 m
80 km
1,494 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Mananara 82 km · Antalaha 83 km · Andapa 88 km · Ampahana 92 km · Befandriana 130 km · Sambava 138 km · Bealanana 145 km · Soanierana Ivongo 166 km

Madagascar travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$599
2025
Happiness
4.2 / 10
World Happiness, 2025
Safe drinking water
22%
of population, 2024
Road deaths
29.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 457
Religion
Church of Jesus Christ in Madagascar/Malagasy Lutheran Church/Anglican Church 34%Roman Catholic 32%none 22%other Christian 8%

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 Maroantsetra (-15.4353°, 49.7379°, elevation 10 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).