Ambanja weather in August

In August, Ambanja sees average daytime highs of 28°C and overnight lows near 18°C, with 53 mm of rain across 15.2 wet days and about 11.5 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 56% of the time in August, and the air most often feels humid.

Daylight stretches from about 11 h 24 min at the start of August to 11 h 42 min by month's end. Set against the rest of the year, August is Ambanja's 2nd-clearest and 1st-windiest month. For the whole year in context, see Ambanja's year-round climate.

Daytime high
28°
10th warmest
Overnight low
18°
2nd coldest
Rainfall
53 mm
15.2 wet days
Daylight
11 h 30 min
6:04 AM – 5:37 PM
Cloud cover
39%
2nd clearest
Wind
5 km/h
1st windiest
Solar energy
5.37 kWh/m²
Travel score
6.0
out of 10

Ambanja is city and commune of 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 28°C through the month.

A typical August day in Ambanja reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818
312819

How August really feels in Ambanja

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.

Ambanja weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°52129.912.72.8
Feb29° / 22°44026.812.52.8
Mar30° / 22°35628.712.12.9
Apr30° / 21°14921.711.73.8
May29° / 20°5312.511.45.6
Jun28° / 19°329.611.26.7
Jul28° / 18°3811.111.36.6
Aug28° / 18°5315.211.56.0
Sep28° / 19°6316.611.95.1
Oct29° / 21°10219.912.34.5
Nov29° / 22°19024.612.63.6
Dec29° / 22°35229.612.82.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 30% of August, with mostly cloudy or overcast conditions the remaining 15%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38515
48515
58515
68515
78515
88515
98515
108515
118515
128515
138515
148515
158515
168515
178515
188515
198515
208614
218614
228614
238614
248614
258614
268614
278515
288515
298515
308515
318515

Chance of precipitation in August

Any precipitation

Ambanja gets around 53 mm of rain over 15.2 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 49% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
143
243
344
445
545
646
746
846
946
1046
1147
1247
1348
1448
1549
1649
1749
1850
1950
2050
2150
2250
2351
2451
2552
2652
2752
2852
2952
3053
3153

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 38% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11153351
21152361
31152361
41153351
51153351
61055341
71055341
81057330
9958330
10958330
11859330
12760330
13760330
14661330
15562330
16561340
17462340
18461350
19361351
20360361
21359371
22358381
23357391
24356401
25355411
26354421
27353431
28352441
29351451
30350461
31348481

Wind in August

Winds average 5 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 24 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 18 minutes over August. Sunrise moves from 6:11 AM to 5:55 AM, and sunset from 5:34 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:115:34
211.46:105:34
311.46:105:34
411.46:105:35
511.46:095:35
611.46:095:35
711.46:085:35
811.56:085:35
911.56:085:35
1011.56:075:36
1111.56:075:36
1211.56:065:36
1311.56:065:36
1411.56:055:36
1511.56:055:36
1611.56:045:37
1711.66:035:37
1811.66:035:37
1911.66:025:37
2011.66:025:37
2111.66:015:37
2211.66:015:37
2311.66:005:37
2411.65:595:37
2511.65:595:37
2611.75:585:38
2711.75:575:38
2811.75:575:38
2911.75:565:38
3011.75:555:38
3111.75:555:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.37 kWh/m².

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 6.37 kWh/m² in October across the year — August's 5.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in August

Hazard calendar for Ambanja

In seasonPeak

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

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

Ambanja's monsoon runs December–March, when most of the year's rain falls.

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

Is August a good time to visit Ambanja?

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

6.0
Sightseeing
3rd-best month of the year
6.4
Beach & pool
4th-best month of the year

August is a reasonable time to visit Ambanja for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ambanja in August

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

In August, Ambanja sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Ambanja in August

The nearest coast averages about 27°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 April at about 30°C and coldest in August near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug27Warm
Sep27Warm
Oct28Warm
Nov28Tropical
Dec29Tropical

UV index in Ambanja in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ambanja peaks around February 13 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 highExtremeFeb 13UV 15Jun 20UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Extreme
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Ambanja 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 Ambanja is worst in November — around 23 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (July, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1223 µg/m³Jul 156 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr7Good
May6Good
Jun6Good
Jul6Good
Aug6Good
Sep12Good
Oct20Moderate
Nov23Moderate
Dec10Good
Location & terrain

Where is Ambanja?

Ambanja sits at 13.7°S, 48.5°E, 20 m above sea level, in Madagascar. The nearest listed city is Hell-Ville, 36 km away.

BealananaAntsohihyAndapa

Topography around Ambanja

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

Within 3 km, the terrain around Ambanja has only modest variations in elevation — a maximum elevation change of 168 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 552 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,861 m.

The land around Ambanja is covered by trees (44%) and grassland (37%) within 3 km, trees (45%) and grassland (27%) within 16 km, and trees (38%), water (37%) and grassland (20%) within 80 km.

3 km
168 m
16 km
552 m
80 km
2,861 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Hell-Ville 36 km · Ambarakaraka 49 km · Maromandia 73 km · Antsohimbondrona 78 km · Ambilobe 83 km · Bealanana 102 km · Antsohihy 144 km · Andapa 169 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 Ambanja (-13.669°, 48.453°, elevation 20 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).