Fenoarivo Atsinanana weather in August

In August, Fenoarivo Atsinanana sees average daytime highs of 23°C and overnight lows near 21°C, with 159 mm of rain across 24.4 wet days and about 11.4 hours of daylight. It is the 12th-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 42% of the time in August, and the air most often feels humid.

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 Fenoarivo Atsinanana's 4th-clearest and 3rd-windiest month. For the whole year in context, see Fenoarivo Atsinanana's year-round climate.

Daytime high
23°
12th warmest
Overnight low
21°
2nd coldest
Rainfall
159 mm
24.4 wet days
Daylight
11 h 24 min
6:04 AM – 5:29 PM
Cloud cover
45%
4th clearest
Wind
19 km/h
3rd windiest
Solar energy
4.04 kWh/m²
Travel score
4.8
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 Fenoarivo Atsinanana reaches about 23°C in the afternoon and slips back to 21°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 23°C. Set against its neighbours, August runs on par with July and on par with September.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12321
22321
32321
42321
52321
62321
72321
82321
92321
102321
112321
122321
132321
142321
152321
162321
172321
182321
192321
202321
212321
222321
232321
242321
252321
262321
272321
282321
292321
302321
312321

Fenoarivo Atsinanana weather by month

How August compares with the rest of the year at a glance. August is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°32025.912.94.1
Feb27° / 25°36722.912.64.2
Mar27° / 25°36526.412.14.2
Apr26° / 25°22825.111.64.5
May25° / 23°22425.211.24.7
Jun24° / 22°21826.4114.5
Jul23° / 21°23726.911.14.4
Aug23° / 21°15924.411.44.8
Sep23° / 21°11322.111.95.3
Oct24° / 23°1052112.45.6
Nov25° / 24°10519.412.85.5
Dec27° / 25°19524.5134.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 36% of August, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27129
37129
47228
57327
67327
77426
87525
97525
107624
117723
127822
137822
147921
157921
168020
178020
188119
198119
208119
218119
228218
238218
248218
258218
268218
278218
288218
298218
308119
318218

Chance of precipitation in August

Any precipitation

Fenoarivo Atsinanana gets around 159 mm of rain over 24.4 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 79% and peaks near 83% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
183
282
381
481
580
680
779
879
979
1079
1179
1278
1378
1478
1578
1678
1778
1878
1978
2078
2178
2279
2379
2479
2580
2680
2781
2881
2981
3081
3181

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1653401
2654391
3655381
4656371
5656371
6657361
7758350
8759340
9759340
10759340
11760330
12661330
13660340
14660340
15660340
16659350
17659350
18658360
19658360
20658360
21657370
22657370
23656380
24556390
25556390
26555400
27555400
28554410
29554410
30553420
31552430

Wind in August

Winds average 19 km/h in August.

Across August, daily wind ranges from about 18 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
420breezy
520breezy
620breezy
720light breeze
820light breeze
920light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

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 6:12 AM to 5:53 AM, and sunset from 5:25 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:125:25
211.26:125:25
311.26:115:25
411.26:115:26
511.36:105:26
611.36:105:26
711.36:095:26
811.36:095:27
911.36:085:27
1011.36:085:27
1111.36:075:28
1211.46:075:28
1311.46:065:28
1411.46:055:28
1511.46:055:29
1611.46:045:29
1711.46:045:29
1811.46:035:29
1911.56:025:29
2011.56:025:30
2111.56:015:30
2211.56:005:30
2311.55:595:30
2411.55:595:30
2511.55:585:31
2611.65:575:31
2711.65:565:31
2811.65:565:31
2911.65:555:31
3011.65:545:31
3111.65:535:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.04 kWh/m².

For context, solar energy here swings from a low near 3.31 kWh/m² to a high of 6.03 kWh/m² in November across the year — August's 4.04 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.9Moderate
103.9Moderate
113.9Moderate
124.0Moderate
134.0Moderate
144.0Bright
154.0Bright
164.0Bright
174.1Bright
184.1Bright
194.1Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in August

Hazard calendar for Fenoarivo Atsinanana

In seasonPeak

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

Fenoarivo Atsinanana 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 Fenoarivo Atsinanana?

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

4.8
Sightseeing
4th-best month of the year
3.6
Beach & pool
11th-best month of the year

August is a reasonable time to visit Fenoarivo Atsinanana for sightseeing.

What to pack for Fenoarivo Atsinanana in August

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

In August, Fenoarivo Atsinanana sees daytime highs around 23°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 24 days see rain.

rain gearlight clothes

Sea temperature near Fenoarivo Atsinanana 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 23 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
Jul24Warm
Aug24Warm
Sep24Warm
Oct25Warm
Nov27Warm
Dec28Warm

UV index in Fenoarivo Atsinanana 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 Fenoarivo Atsinanana peaks around February 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 11UV 15Jun 19UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Fenoarivo Atsinanana 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 Fenoarivo Atsinanana 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 Fenoarivo Atsinanana?

Fenoarivo Atsinanana sits at 17.4°S, 49.4°E, 14 m above sea level, in Madagascar. The nearest listed city is Vavatenina, 24 km away.

ToamasinaImerimandrosoAndilamena

Topography around Fenoarivo Atsinanana

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

Within 3 km, the terrain around Fenoarivo Atsinanana has only modest variations in elevation — a maximum elevation change of 80 m around an average of 16 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 408 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,512 m.

The land around Fenoarivo Atsinanana is covered by trees (45%) and water (28%) within 3 km, water (38%) and trees (37%) within 16 km, and trees (45%) and water (34%) within 80 km.

3 km
80 m
16 km
408 m
80 km
1,512 m
treesshrubsgrasslandcroplandartificial surfaceswater
August weather nearby: Vavatenina 24 km · Ambodimanga II 29 km · Vohibinany 40 km · Soanierana Ivongo 55 km · Ambodifotatra 64 km · Toamasina 85 km · Imerimandroso 88 km · Andilamena 98 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 Fenoarivo Atsinanana (-17.3809°, 49.4083°, elevation 14 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).