Amboasary weather in August

In August, Amboasary sees average daytime highs of 27°C and overnight lows near 15°C, with 11 mm of rain across 2.7 wet days and about 11.1 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 76% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 10 h 48 min at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Amboasary's 1st-clearest and 8th-windiest month. For the whole year in context, see Amboasary's year-round climate.

Daytime high
27°
10th warmest
Overnight low
15°
2nd coldest
Rainfall
11 mm
2.7 wet days
Daylight
11 h 06 min
6:25 AM – 5:32 PM
Cloud cover
24%
1st clearest
Wind
10 km/h
8th windiest
Solar energy
4.61 kWh/m²
Travel score
8.3
out of 10

Amboasary is human settlement in Anosy Region, Madagascar.

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 28°C by the end.

A typical August day in Amboasary reaches about 27°C in the afternoon and slips back to 15°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32615
42615
52615
62615
72615
82615
92715
102715
112715
122715
132715
142715
152715
162715
172715
182715
192715
202715
212715
222715
232715
242715
252715
262816
272816
282816
292816
302816
312816

How August really feels in Amboasary

Once humidity and wind are folded in, August 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

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

Amboasary weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°1241413.43.6
Feb32° / 23°10312.112.94.0
Mar31° / 22°6310.412.24.5
Apr30° / 20°367.411.45.8
May27° / 18°195.210.87.6
Jun26° / 16°133.510.58.4
Jul25° / 15°123.110.68.6
Aug27° / 15°112.711.18.3
Sep29° / 17°122.911.87.0
Oct31° / 19°215.112.65.5
Nov32° / 20°346.913.24.6
Dec32° / 22°7112.913.53.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 11%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
39010
49010
59010
69010
79010
88911
98911
108911
118911
128812
138812
148812
158812
168812
178812
188812
198713
208713
218812
228911
238911
248911
258911
268911
279010
289010
299010
309010
319010

Chance of precipitation in August

Any precipitation

Amboasary gets around 11 mm of rain over 2.7 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
27
37
48
58
68
79
89
99
109
1110
1210
1311
1411
1511
1611
1711
1811
1911
2010
2110
2210
239
249
259
269
279
289
299
309
319

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13255130
23255130
33255130
43255130
53157120
63157120
73157120
83156130
93057130
102958130
112858140
122858140
132758150
142659150
152659150
162658160
172658160
182658160
192658160
202657170
212558170
222558170
232558170
242558170
252557180
262556181
272556181
282556181
292556181
302556181
312457181

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 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
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 48 min at the start of August to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over August. Sunrise moves from 6:36 AM to 6:11 AM, and sunset from 5:25 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:365:25
210.86:355:26
310.96:355:26
410.96:345:27
510.96:335:27
610.96:335:28
710.96:325:28
811.06:315:28
911.06:315:29
1011.06:305:29
1111.06:295:30
1211.06:285:30
1311.16:285:31
1411.16:275:31
1511.16:265:32
1611.16:255:32
1711.16:245:33
1811.26:235:33
1911.26:225:33
2011.26:215:34
2111.26:215:34
2211.36:205:35
2311.36:195:35
2411.36:185:36
2511.36:175:36
2611.36:165:36
2711.46:155:37
2811.46:145:37
2911.46:135:38
3011.46:125:38
3111.56:115:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.61 kWh/m².

For context, solar energy here swings from a low near 3.51 kWh/m² to a high of 6.81 kWh/m² in November across the year — August's 4.61 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.2Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.9Bright
254.9Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
315.2Bright
Planning a trip in August

Hazard calendar for Amboasary

In seasonPeak

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

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

Amboasary's rainy season runs December–March, when most of the year's rain falls.

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

Is August a good time to visit Amboasary?

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

8.3
Sightseeing
3rd-best month of the year
8.3
Beach & pool
2nd-best month of the year

August is one of the better times to visit Amboasary for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Amboasary in August

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

In August, Amboasary sees daytime highs around 27°C and nights near 15°C. Worth packing: light clothes and sun protection.

light clothessun protection

Sea temperature near Amboasary in August

The nearest coast averages about 22°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 26°C and coldest in August near 22°C.

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

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr25Warm
May24Warm
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct23Refreshing
Nov24Warm
Dec25Warm

UV index in Amboasary in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Amboasary peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 14Jun 20UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5High
Aug7High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Amboasary?

Amboasary sits at 25.0°S, 46.4°E, 22 m above sea level, in Madagascar. The nearest listed city is Ambovombe, 34 km away.

JafaroTsiombeBelohaBekilyAmpanihyBetroka

Topography around Amboasary

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

Within 3 km, the terrain around Amboasary has only modest variations in elevation — a maximum elevation change of 75 m around an average of 32 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 540 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,959 m.

The land around Amboasary is covered by shrubs (38%) and cropland (27%) within 3 km, shrubs (36%), cropland (23%) and trees (22%) within 16 km, and water (27%), shrubs (21%) and grassland (21%) within 80 km.

3 km
75 m
16 km
540 m
80 km
1,959 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Ambovombe 34 km · Tôlanaro 60 km · Jafaro 88 km · Tsiombe 95 km · Beloha 135 km · Bekily 141 km · Ampanihy 169 km · Betroka 199 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 Amboasary (-25.0333°, 46.3833°, elevation 22 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).