Antsalova weather in August

In August, Antsalova sees average daytime highs of 30°C and overnight lows near 18°C, with 2 mm of rain across 0.6 wet days and about 11.4 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 87% 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 Antsalova's 3rd-clearest and 4th-windiest month. For the whole year in context, see Antsalova's year-round climate.

Daytime high
30°
10th warmest
Overnight low
18°
3rd coldest
Rainfall
2 mm
0.6 wet days
Daylight
11 h 24 min
6:25 AM – 5:47 PM
Cloud cover
19%
3rd clearest
Wind
7 km/h
4th windiest
Solar energy
5.31 kWh/m²
Travel score
6.9
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Antsalova reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, August runs on par with July and about 2°C cooler than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12917
22917
32918
42918
52918
62918
72918
82918
92918
102918
113018
123018
133018
143018
153018
163018
173018
183018
193018
203018
213018
223018
233018
243018
253018
263018
273019
283019
293019
303019
313019

How August really feels in Antsalova

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.

Antsalova 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
Jan31° / 24°33828.1132.5
Feb31° / 24°29924.812.62.6
Mar32° / 24°18023.412.13.0
Apr32° / 23°511011.64.6
May30° / 20°71.511.16.3
Jun29° / 18°20.410.97.2
Jul29° / 17°10.4117.4
Aug30° / 18°20.611.46.9
Sep31° / 20°51.111.95.7
Oct32° / 22°327.312.44.4
Nov33° / 23°951612.93.2
Dec32° / 24°21125.413.12.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 87% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 3%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1964
2973
3973
4973
5973
6973
7973
8973
9973
10973
11973
12973
13973
14973
15973
16973
17973
18973
19973
20973
21982
22982
23982
24982
25982
26982
27982
28982
29982
30982
31982

Chance of precipitation in August

Any precipitation

Antsalova gets around 2 mm of rain over 0.6 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
142
152
162
172
182
192
202
212
222
232
242
253
263
273
283
293
303
313

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 26% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14265614
23255715
33245815
43245716
53235816
63235717
73235717
83225718
93215818
103215719
112205820
122195920
132185921
142185822
152175823
162165824
172155825
182145826
192145727
202135629
212125630
222125531
232115433
242115334
252105335
262105236
27295237
28295138
29295039
30285040
31284941

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:33 AM to 6:13 AM, and sunset from 5:42 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:335:42
211.26:335:42
311.26:325:43
411.26:325:43
511.26:315:43
611.26:315:44
711.26:305:44
811.26:305:44
911.36:295:45
1011.36:295:45
1111.36:285:45
1211.36:275:45
1311.36:275:46
1411.36:265:46
1511.36:255:46
1611.46:255:47
1711.46:245:47
1811.46:235:47
1911.46:235:47
2011.46:225:48
2111.46:215:48
2211.56:205:48
2311.56:205:48
2411.56:195:48
2511.56:185:49
2611.56:175:49
2711.56:175:49
2811.66:165:49
2911.66:155:49
3011.66:145:50
3111.66:135:50

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.31 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.93 kWh/m² in November across the year — August's 5.31 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
315.7Bright
Planning a trip in August

Hazard calendar for Antsalova

In seasonPeak

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

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

Antsalova'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 Antsalova?

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

6.9
Sightseeing
3rd-best month of the year
9.1
Beach & pool
3rd-best month of the year

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

What to pack for Antsalova in August

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

In August, Antsalova sees daytime highs around 30°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Antsalova in August

The nearest coast averages about 25°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 52 km away) is warmest in March at about 30°C and coldest in July near 25°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb30Tropical
Mar30Tropical
Apr29Tropical
May28Warm
Jun26Warm
Jul25Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov29Tropical
Dec30Tropical

UV index in Antsalova 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 Antsalova peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 10UV 15Jun 17UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun6High
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov12Extreme
Dec13Extreme

Air quality in Antsalova 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 Antsalova is worst in August — around 17 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (March, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2017 µg/m³Mar 245 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar5Good
Apr5Good
May10Good
Jun11Good
Jul14Moderate
Aug17Moderate
Sep16Moderate
Oct17Moderate
Nov11Good
Dec6Good
Location & terrain

Where is Antsalova?

Antsalova sits at 18.7°S, 44.6°E, 86 m above sea level, in Madagascar. The nearest listed city is Maintirano, 91 km away.

MaintiranoBelo sur TsiribihinaMiandrivazoTsiroanomandidyMorondavaFenoarivo BeSoavinandrianaMiandrarivo

Topography around Antsalova

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

Within 3 km, the terrain around Antsalova has only modest variations in elevation — a maximum elevation change of 159 m around an average of 118 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 379 m; within 80 km, large variations in elevation — a maximum elevation change of 983 m.

The land around Antsalova is covered by grassland (75%) and trees (24%) within 3 km, grassland (63%) and trees (36%) within 16 km, and grassland (60%) and trees (21%) within 80 km.

3 km
159 m
16 km
379 m
80 km
983 m
treesshrubsgrasslandartificial surfaceswatermangroves
August weather nearby: Maintirano 91 km · Belo sur Tsiribihina 115 km · Miandrivazo 130 km · Tsiroanomandidy 151 km · Morondava 183 km · Fenoarivo Be 207 km · Soavinandriana 229 km · Miandrarivo 240 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 Antsalova (-18.6667°, 44.6167°, elevation 86 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).