Mananara weather in August

In August, Mananara sees average daytime highs of 22°C and overnight lows near 20°C, with 149 mm of rain across 25.2 wet days and about 11.5 hours of daylight. It is the 11th-warmest and 9th-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 27% 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 Mananara's 4th-clearest and 3rd-windiest month. For the whole year in context, see Mananara's year-round climate.

Daytime high
22°
11th warmest
Overnight low
20°
1st coldest
Rainfall
149 mm
25.2 wet days
Daylight
11 h 30 min
6:01 AM – 5:29 PM
Cloud cover
52%
4th clearest
Wind
15 km/h
3rd windiest
Solar energy
4.13 kWh/m²
Travel score
4.6
out of 10

Mananara is commune in Madagascar.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Mananara reaches about 22°C in the afternoon and slips back to 20°C overnight — a 3°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 on par with September.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12220
22220
32220
42220
52220
62220
72220
82220
92220
102220
112220
122220
132220
142220
152220
162220
172220
182220
192220
202220
212320
222320
232320
242320
252320
262320
272320
282320
292320
302320
312320

Mananara weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°29526.312.93.9
Feb28° / 25°32123.512.54.0
Mar27° / 24°31126.712.14.0
Apr26° / 24°19624.911.64.4
May25° / 22°16523.811.34.9
Jun23° / 21°17224.911.14.7
Jul22° / 20°19826.411.14.4
Aug22° / 20°14925.211.54.6
Sep23° / 20°11523.211.94.9
Oct24° / 21°11321.812.45.3
Nov26° / 23°10420.412.85.2
Dec27° / 24°19125.412.94.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 45% of August, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26733
36733
46733
56832
66832
76931
86931
96931
106931
117030
127030
137030
147129
157228
167228
177228
187228
197327
207327
217327
227426
237426
247525
257525
267525
277525
287426
297426
307426
317327

Chance of precipitation in August

Any precipitation

Mananara gets around 149 mm of rain over 25.2 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 81% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
284
384
483
583
683
782
882
982
1081
1181
1281
1381
1480
1580
1680
1780
1880
1980
2080
2180
2281
2381
2481
2581
2681
2781
2881
2981
3081
3181

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1357391
2358381
3358381
4359371
5360361
6360361
7362350
8362350
9363340
10363340
11363340
12363340
13363340
14362350
15362350
16361360
17361360
18361360
19360370
20360370
21359380
22359380
23358390
24358390
25357400
26357400
27356410
28356410
29355420
30354430
31354430

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

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 6:09 AM to 5:51 AM, and sunset from 5:25 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:095:25
211.36:095:25
311.36:085:26
411.36:085:26
511.36:075:26
611.36:075:26
711.36:065:27
811.46:065:27
911.46:055:27
1011.46:055:27
1111.46:045:28
1211.46:045:28
1311.46:035:28
1411.46:035:28
1511.46:025:28
1611.56:015:29
1711.56:015:29
1811.56:005:29
1911.56:005:29
2011.55:595:29
2111.55:585:30
2211.55:585:30
2311.55:575:30
2411.65:565:30
2511.65:555:30
2611.65:555:30
2711.65:545:30
2811.65:535:31
2911.65:535:31
3011.75:525:31
3111.75:515:31

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.13 kWh/m².

For context, solar energy here swings from a low near 3.45 kWh/m² to a high of 6.18 kWh/m² in November across the year — August's 4.13 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.9Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.0Moderate
114.0Bright
124.0Bright
134.1Bright
144.1Bright
154.1Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.4Bright
254.4Bright
264.4Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.6Bright
Planning a trip in August

Hazard calendar for Mananara

In seasonPeak

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

Mananara 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 Mananara?

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

4.6
Sightseeing
6th-best month of the year
3.4
Beach & pool
11th-best month of the year

August is a reasonable time to visit Mananara for sightseeing.

What to pack for Mananara in August

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

In August, Mananara sees daytime highs around 22°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 25 days see rain.

rain gearlight clothes

Sea temperature near Mananara 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 13 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
Jun26Warm
Jul24Warm
Aug24Refreshing
Sep24Warm
Oct26Warm
Nov27Warm
Dec28Tropical

UV index in Mananara 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 Mananara peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 9UV 15Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Mananara 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 Mananara is worst in November — around 60 µg/m³ PM2.5 (unhealthy), about 14.0× the cleanest month (August, 4 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodPoorModerateNov 1755 µg/m³Aug 184 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb5Good
Mar5Good
Apr5Good
May6Good
Jun5Good
Jul5Good
Aug4Good
Sep5Good
Oct9Good
Nov60Unhealthy
Dec19Moderate
Location & terrain

Where is Mananara?

Mananara sits at 16.2°S, 49.8°E, 15 m above sea level, in Madagascar. The nearest listed city is Maroantsetra, 82 km away.

Soanierana IvongoAmbodifotatraAmbodimanga IIFenoarivo AtsinananaAntalahaVohibinanyVavatenina

Topography around Mananara

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

Within 3 km, the terrain around Mananara has only modest variations in elevation — a maximum elevation change of 44 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 516 m; within 80 km, large variations in elevation — a maximum elevation change of 1,160 m.

The land around Mananara is covered by water (38%) and trees (35%) within 3 km, water (48%) and trees (43%) within 16 km, and trees (48%) and water (41%) within 80 km.

3 km
44 m
16 km
516 m
80 km
1,160 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: Maroantsetra 82 km · Soanierana Ivongo 85 km · Ambodifotatra 91 km · Ambodimanga II 138 km · Fenoarivo Atsinanana 140 km · Antalaha 151 km · Vohibinany 153 km · Vavatenina 156 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 Mananara (-16.1686°, 49.7662°, elevation 15 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).