Hell-Ville weather in August

In August, Hell-Ville sees average daytime highs of 27°C and overnight lows near 22°C, with 30 mm of rain across 9.3 wet days and about 11.6 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 70% of the time in August, and the air most often feels muggy.

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 Hell-Ville's 2nd-clearest and 5th-windiest month. For the whole year in context, see Hell-Ville's year-round climate.

Daytime high
27°
11th warmest
Overnight low
22°
2nd coldest
Rainfall
30 mm
9.3 wet days
Daylight
11 h 36 min
6:05 AM – 5:38 PM
Cloud cover
34%
2nd clearest
Wind
9 km/h
5th windiest
Solar energy
5.44 kWh/m²
Travel score
7.0
out of 10

Hell-Ville is borough of the city of Nosy Be.

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 27°C through the month.

A typical August day in Hell-Ville reaches about 27°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12722
22722
32722
42722
52722
62722
72722
82722
92722
102722
112722
122722
132722
142722
152722
162722
172723
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302723
312723

How August really feels in Hell-Ville

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.

Hell-Ville weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°43928.712.73.1
Feb29° / 25°38325.212.43.2
Mar29° / 25°27627.512.13.2
Apr29° / 25°11722.511.73.9
May29° / 25°4412.711.45.7
Jun28° / 23°238.111.27.1
Jul27° / 22°226.511.37.5
Aug27° / 22°309.311.67.0
Sep27° / 23°3612.711.96.4
Oct28° / 24°6417.412.35.3
Nov29° / 25°13422.612.64.1
Dec29° / 25°2532812.83.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
39010
49010
59010
69010
79010
89010
99010
109010
119010
129010
139010
149010
159010
169010
179010
189010
199010
20919
21919
22919
23919
24919
25919
26919
27919
28919
29919
30919
31928

Chance of precipitation in August

Any precipitation

Hell-Ville gets around 30 mm of rain over 9.3 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 30% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
124
225
325
426
526
626
727
827
927
1027
1127
1228
1328
1428
1529
1629
1730
1830
1930
2031
2131
2232
2333
2434
2535
2636
2736
2837
2938
3038
3139

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 85% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
115787
215787
315787
415787
514797
614806
713816
813816
912835
1011845
1111854
1210864
139874
148884
158893
167903
177903
187903
197903
207903
217903
227894
237894
248884
258884
268875
278875
288875
298875
308866
318866

Wind in August

Winds average 9 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:35 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:115:35
211.46:115:35
311.46:105:35
411.46:105:36
511.46:105:36
611.46:095:36
711.56:095:36
811.56:085:36
911.56:085:37
1011.56:075:37
1111.56:075:37
1211.56:075:37
1311.56:065:37
1411.56:065:37
1511.56:055:37
1611.66:055:38
1711.66:045:38
1811.66:035:38
1911.66:035:38
2011.66:025:38
2111.66:025:38
2211.66:015:38
2311.66:005:38
2411.66:005:38
2511.75:595:38
2611.75:595:38
2711.75:585:39
2811.75:575:39
2911.75:575:39
3011.75:565:39
3111.75:555:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.44 kWh/m².

For context, solar energy here swings from a low near 4.77 kWh/m² to a high of 6.57 kWh/m² in November across the year — August's 5.44 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in August

Hazard calendar for Hell-Ville

In seasonPeak

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

Hell-Ville sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Hell-Ville'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 Hell-Ville?

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

7.0
Sightseeing
3rd-best month of the year
7.1
Beach & pool
3rd-best month of the year

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

What to pack for Hell-Ville in August

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

In August, Hell-Ville sees daytime highs around 27°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Hell-Ville 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 Hell-Ville 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 Hell-Ville peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jun 21UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Hell-Ville 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 Hell-Ville is worst in November — around 19 µg/m³ PM2.5 (moderate), about 5.7× the cleanest month (July, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodNov 1418 µg/m³Jul 123 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb7Good
Mar7Good
Apr5Good
May4Good
Jun4Good
Jul3Good
Aug4Good
Sep6Good
Oct12Moderate
Nov19Moderate
Dec8Good
Location & terrain

Where is Hell-Ville?

Hell-Ville sits at 13.4°S, 48.3°E, 23 m above sea level, in Madagascar. The nearest listed city is Ambanja, 36 km away.

AmbilobeMaromandiaBealananaAntsirananaAntsohihy

Topography around Hell-Ville

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

Within 3 km, the terrain around Hell-Ville has only modest variations in elevation — a maximum elevation change of 159 m around an average of 32 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 599 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,848 m.

The land around Hell-Ville is covered by trees (33%) and water (30%) within 3 km, water (67%) and trees (22%) within 16 km, and water (57%) and trees (28%) within 80 km.

3 km
159 m
16 km
599 m
80 km
1,848 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: Ambanja 36 km · Ambarakaraka 66 km · Antsohimbondrona 72 km · Ambilobe 88 km · Maromandia 93 km · Bealanana 138 km · Antsiranana 164 km · Antsohihy 168 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 Hell-Ville (-13.3972°, 48.2666°, elevation 23 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).