Ampasimanolotra weather in August

In August, Ampasimanolotra sees average daytime highs of 23°C and overnight lows near 18°C, with 101 mm of rain across 18.5 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 34% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 06 min at the start of August to 11 h 36 min by month's end. Set against the rest of the year, August is Ampasimanolotra's 2nd-clearest and 9th-windiest month. For the whole year in context, see Ampasimanolotra's year-round climate.

Daytime high
23°
11th warmest
Overnight low
18°
1st coldest
Rainfall
101 mm
18.5 wet days
Daylight
11 h 24 min
6:07 AM – 5:29 PM
Cloud cover
50%
2nd clearest
Wind
8 km/h
9th windiest
Solar energy
3.93 kWh/m²
Travel score
5.8
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical August day in Ampasimanolotra reaches about 23°C in the afternoon and slips back to 18°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12318
22318
32318
42318
52318
62318
72318
82318
92318
102318
112318
122318
132318
142318
152318
162318
172418
182418
192418
202418
212418
222418
232418
242418
252418
262418
272418
282418
292418
302418
312418

How August really feels in Ampasimanolotra

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.

Ampasimanolotra 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
Jan29° / 24°30325133.4
Feb29° / 24°31423.112.63.4
Mar29° / 23°3312512.13.7
Apr28° / 22°15420.311.64.9
May26° / 21°1502011.15.4
Jun24° / 19°12620.210.95.4
Jul23° / 18°14421115.3
Aug23° / 18°10118.511.45.8
Sep25° / 18°6914.511.96.4
Oct26° / 20°7813.912.46.2
Nov28° / 21°7313.312.95.7
Dec29° / 23°18820.413.14.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 33% of August, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36040
46139
56139
66139
76337
86337
96436
106535
116634
126634
136733
146733
156832
166832
176931
187030
197030
207030
217030
227030
237030
247030
256931
266931
276931
287030
297030
307030
317030

Chance of precipitation in August

Any precipitation

Ampasimanolotra gets around 101 mm of rain over 18.5 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 59% and peaks near 66% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
365
465
564
663
763
862
962
1061
1160
1260
1359
1458
1558
1657
1757
1857
1956
2056
2156
2256
2356
2456
2557
2657
2757
2857
2957
3057
3157

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
187022
287121
387121
487220
587220
687220
787319
887319
987319
1077419
1177320
1277320
1377320
1477320
1577221
1677221
1787121
1887121
1987121
2087121
2187121
2287121
2387121
2487121
2587121
2687121
2777221
2877221
2977122
3077122
3177023

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 06 min at the start of August to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over August. Sunrise moves from 6:16 AM to 5:56 AM, and sunset from 5:24 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:165:24
211.26:155:24
311.26:155:25
411.26:145:25
511.26:145:25
611.26:135:26
711.26:135:26
811.26:125:26
911.36:125:27
1011.36:115:27
1111.36:105:27
1211.36:105:27
1311.36:095:28
1411.36:085:28
1511.36:085:28
1611.46:075:29
1711.46:065:29
1811.46:065:29
1911.46:055:29
2011.46:045:30
2111.46:045:30
2211.56:035:30
2311.56:025:30
2411.56:015:31
2511.56:005:31
2611.56:005:31
2711.55:595:31
2811.65:585:31
2911.65:575:32
3011.65:565:32
3111.65:565:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.93 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 6.03 kWh/m² in November across the year — August's 3.93 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.9Moderate
133.9Moderate
143.9Moderate
154.0Moderate
164.0Moderate
174.0Moderate
184.0Bright
194.0Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in August

Hazard calendar for Ampasimanolotra

In seasonPeak

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

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

Ampasimanolotra's rainy season runs December–May, 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 Ampasimanolotra?

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

5.8
Sightseeing
3rd-best month of the year
4.7
Beach & pool
7th-best month of the year

August is a reasonable time to visit Ampasimanolotra for sightseeing.

What to pack for Ampasimanolotra in August

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

In August, Ampasimanolotra sees daytime highs around 23°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 19 days see rain.

rain gearlight clothes

Sea temperature near Ampasimanolotra 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 33 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
Jan28Tropical
Feb29Tropical
Mar28Tropical
Apr28Warm
May27Warm
Jun26Warm
Jul25Warm
Aug24Warm
Sep24Warm
Oct25Warm
Nov26Warm
Dec28Warm

UV index in Ampasimanolotra in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ampasimanolotra peaks around February 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 14UV 15Jun 18UV 6
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun6High
Jul7Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov12Extreme
Dec14Extreme

Air quality in Ampasimanolotra 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 Ampasimanolotra is worst in November — around 34 µg/m³ PM2.5 (moderate), about 5.0× the cleanest month (March, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 934 µg/m³Mar 127 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr7Good
May9Good
Jun8Good
Jul8Good
Aug8Good
Sep11Good
Oct33Moderate
Nov34Moderate
Dec13Moderate
Location & terrain

Where is Ampasimanolotra?

Ampasimanolotra sits at 18.8°S, 49.1°E, 13 m above sea level, in Madagascar. The nearest listed city is Vatomandry, 58 km away.

MoramangaDidyMahanoroAmbatondrazakaManjakandrianaAnjozorobe

Topography around Ampasimanolotra

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

Within 3 km, the terrain around Ampasimanolotra has only modest variations in elevation — a maximum elevation change of 97 m around an average of 26 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 264 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,536 m.

The land around Ampasimanolotra is covered by trees (38%) and grassland (21%) within 3 km, trees (47%), grassland (21%) and water (20%) within 16 km, and trees (49%) and water (32%) within 80 km.

3 km
97 m
16 km
264 m
80 km
1,536 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Vatomandry 58 km · Toamasina 82 km · Moramanga 89 km · Didy 96 km · Mahanoro 124 km · Ambatondrazaka 129 km · Manjakandriana 134 km · Anjozorobe 135 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 Ampasimanolotra (-18.8167°, 49.0667°, 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. 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).