Soanierana Ivongo weather in August

In August, Soanierana Ivongo sees average daytime highs of 23°C and overnight lows near 19°C, with 200 mm of rain across 24.9 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 21% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of August to 11 h 36 min by month's end. Set against the rest of the year, August is Soanierana Ivongo's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Soanierana Ivongo's year-round climate.

Daytime high
23°
11th warmest
Overnight low
19°
2nd coldest
Rainfall
200 mm
24.9 wet days
Daylight
11 h 24 min
6:03 AM – 5:29 PM
Cloud cover
57%
3rd clearest
Wind
11 km/h
3rd windiest
Solar energy
3.98 kWh/m²
Travel score
4.7
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 Soanierana Ivongo reaches about 23°C in the afternoon and slips back to 19°C overnight — a 5°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°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12319
22319
32319
42319
52319
62319
72319
82319
92319
102319
112319
122319
132319
142319
152319
162319
172319
182319
192319
202319
212319
222319
232319
242319
252319
262319
272319
282319
292319
302319
312319

How August really feels in Soanierana Ivongo

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.

Soanierana Ivongo 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°36827.512.93.1
Feb29° / 24°37624.212.63.2
Mar29° / 24°38327.712.13.4
Apr27° / 23°25825.811.64.1
May26° / 21°24924.511.24.6
Jun24° / 20°24426.1114.4
Jul23° / 19°2782711.14.3
Aug23° / 19°20024.911.44.7
Sep24° / 19°14422.211.95.1
Oct26° / 20°12820.512.45.3
Nov27° / 22°12619.812.85.0
Dec29° / 23°22424.9133.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 34% of August, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24951
34951
45050
55050
65248
75248
85347
95347
105446
115446
125545
135644
145644
155644
165644
175743
185743
195743
205743
215842
225842
235743
245743
255743
265644
275644
285644
295743
305644
315644

Chance of precipitation in August

Any precipitation

Soanierana Ivongo gets around 200 mm of rain over 24.9 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 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
184
284
383
482
582
681
781
881
980
1080
1180
1280
1379
1479
1579
1679
1779
1879
1979
2079
2180
2280
2380
2480
2581
2681
2781
2881
2981
3081
3181

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1145531
2146521
3146521
4147511
5147511
6148501
7148501
8249490
9249490
10249490
11249490
12249500
13248500
14248500
15248500
16247510
17247510
18247510
19247510
20146530
21146530
22146530
23145540
24145540
25144550
26143560
27143560
28142570
29141580
30140590
31140590

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 12 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 24 minutes over August. Sunrise moves from 6:11 AM to 5:52 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)
111.26:115:25
211.26:105:25
311.36:105:25
411.36:095:26
511.36:095:26
611.36:095:26
711.36:085:26
811.36:085:27
911.36:075:27
1011.36:065:27
1111.46:065:27
1211.46:055:28
1311.46:055:28
1411.46:045:28
1511.46:045:28
1611.46:035:29
1711.46:025:29
1811.56:025:29
1911.56:015:29
2011.56:005:29
2111.56:005:30
2211.55:595:30
2311.55:585:30
2411.55:585:30
2511.65:575:30
2611.65:565:30
2711.65:555:31
2811.65:555:31
2911.65:545:31
3011.65:535:31
3111.65:525:31

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.98 kWh/m².

For context, solar energy here swings from a low near 3.27 kWh/m² to a high of 6.03 kWh/m² in November across the year — August's 3.98 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
154.0Moderate
164.0Bright
174.0Bright
184.0Bright
194.1Bright
204.1Bright
214.1Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.4Bright
Planning a trip in August

Hazard calendar for Soanierana Ivongo

In seasonPeak

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

Soanierana Ivongo 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 Soanierana Ivongo?

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

4.7
Sightseeing
4th-best month of the year
3.7
Beach & pool
11th-best month of the year

August is a reasonable time to visit Soanierana Ivongo for sightseeing.

What to pack for Soanierana Ivongo in August

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

In August, Soanierana Ivongo sees daytime highs around 23°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 25 days see rain.

rain gearlight clothes

Sea temperature near Soanierana Ivongo 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 offshore 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
Jun25Warm
Jul24Warm
Aug24Refreshing
Sep24Warm
Oct26Warm
Nov27Warm
Dec28Warm

UV index in Soanierana Ivongo 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 Soanierana Ivongo peaks around February 11 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 11UV 15Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Soanierana Ivongo 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 Soanierana Ivongo is worst in November — around 27 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (February, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1625 µg/m³Feb 146 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May7Good
Jun7Good
Jul7Good
Aug6Good
Sep6Good
Oct11Good
Nov27Moderate
Dec9Good
Location & terrain

Where is Soanierana Ivongo?

Soanierana Ivongo sits at 16.9°S, 49.6°E, 117 m above sea level, in Madagascar. The nearest listed city is Ambodifotatra, 29 km away.

MananaraAndilamenaImerimandroso

Topography around Soanierana Ivongo

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

Within 3 km, the terrain around Soanierana Ivongo has only modest variations in elevation — a maximum elevation change of 105 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 433 m; within 80 km, large variations in elevation — a maximum elevation change of 1,196 m.

The land around Soanierana Ivongo is covered by water (34%) and trees (24%) within 3 km, water (39%) and trees (21%) within 16 km, and trees (45%) and water (40%) within 80 km.

3 km
105 m
16 km
433 m
80 km
1,196 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Ambodifotatra 29 km · Fenoarivo Atsinanana 55 km · Ambodimanga II 59 km · Vavatenina 73 km · Vohibinany 76 km · Mananara 85 km · Andilamena 108 km · Imerimandroso 121 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 Soanierana Ivongo (-16.9167°, 49.5833°, elevation 117 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).