Antalaha weather in May

In May, Antalaha sees average daytime highs of 27°C and overnight lows near 21°C, with 66 mm of rain across 15.9 wet days and about 11.3 hours of daylight. It is the 7th-warmest and 8th-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 37% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 30 min at the start of May to 11 h 12 min by month's end. Set against the rest of the year, May is Antalaha's 1st-clearest and 6th-windiest month. For the whole year in context, see Antalaha's year-round climate.

Daytime high
27°
7th warmest
Overnight low
21°
6th coldest
Rainfall
66 mm
15.9 wet days
Daylight
11 h 18 min
5:56 AM – 5:14 PM
Cloud cover
49%
1st clearest
Wind
11 km/h
6th windiest
Solar energy
4.11 kWh/m²
Travel score
5.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in Antalaha reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142721
152721
162721
172721
182721
192721
202721
212721
222721
232721
242721
252721
262721
272721
282721
292721
302721
312621

How May really feels in Antalaha

Once humidity and wind are folded in, May 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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Antalaha weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°29428.212.83.0
Feb30° / 23°27824.912.53.0
Mar29° / 23°25725.712.13.4
Apr29° / 23°12319.811.74.4
May27° / 21°6615.911.35.8
Jun26° / 20°5515.411.16.1
Jul25° / 19°6616.411.26.1
Aug25° / 19°531611.56.2
Sep26° / 19°4413.711.96.3
Oct27° / 20°5612.712.36.2
Nov29° / 22°7014.512.75.1
Dec30° / 23°17322.812.93.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 36% of May, with mostly cloudy or overcast conditions the remaining 27%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26931
37030
47129
57129
67228
77228
87228
97327
107327
117327
127327
137327
147327
157327
167327
177327
187327
197327
207327
217327
227327
237327
247426
257426
267426
277426
287426
297426
307426
317327

Chance of precipitation in May

Any precipitation

Antalaha gets around 66 mm of rain over 15.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
154
254
353
453
553
653
753
853
953
1053
1153
1253
1353
1453
1552
1652
1752
1851
1951
2050
2150
2249
2349
2449
2549
2649
2748
2848
2948
3048
3148

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1013465
2013663
3013861
4013960
5014158
6014257
7014455
8014653
9014851
10025048
11025246
12025444
13025741
14035839
15036037
16046135
17046333
18056431
19056629
20166528
21166726
22176725
23176824
24186823
25186922
26196921
27197020
281107019
291117018
301127017
311137016

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 30 min at the start of May to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 5:52 AM to 6:01 AM, and sunset from 5:20 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:525:20
211.55:525:20
311.55:525:19
411.45:535:19
511.45:535:18
611.45:535:18
711.45:535:18
811.45:545:17
911.45:545:17
1011.45:545:16
1111.45:545:16
1211.45:555:16
1311.35:555:15
1411.35:555:15
1511.35:565:15
1611.35:565:14
1711.35:565:14
1811.35:565:14
1911.35:575:14
2011.35:575:13
2111.35:575:13
2211.35:585:13
2311.25:585:13
2411.25:585:13
2511.25:595:13
2611.25:595:12
2711.25:595:12
2811.26:005:12
2911.26:005:12
3011.26:005:12
3111.26:015:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.11 kWh/m².

For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 6.07 kWh/m² in November across the year — May's 4.11 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.0Bright
204.0Bright
214.0Moderate
224.0Moderate
234.0Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in May

Hazard calendar for Antalaha

In seasonPeak

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

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

Antalaha'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 May a good time to visit Antalaha?

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

5.8
Sightseeing
6th-best month of the year
5.9
Beach & pool
3rd-best month of the year

May is a reasonable time to visit Antalaha for sightseeing.

What to pack for Antalaha in May

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

In May, Antalaha sees daytime highs around 27°C and nights near 21°C. Pack light clothes and rain gear. About 16 days see rain.

light clothesrain gear

Sea temperature near Antalaha in May

The nearest coast averages about 27°C in May — 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
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul25Warm
Aug24Warm
Sep25Warm
Oct25Warm
Nov27Warm
Dec28Warm

UV index in Antalaha in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Antalaha peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 highExtremeJan 21UV 15Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Antalaha in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Antalaha is worst in December — around 22 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (September, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateDec 1521 µg/m³Sep 186 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb6Good
Mar7Good
Apr7Good
May7Good
Jun8Good
Jul7Good
Aug7Good
Sep6Good
Oct6Good
Nov14Moderate
Dec22Moderate
Location & terrain

Where is Antalaha?

Antalaha sits at 14.9°S, 50.3°E, 13 m above sea level, in Madagascar. The nearest listed city is Ampahana, 18 km away.

MananaraBealananaIharan̈aBefandriana

Topography around Antalaha

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

Within 3 km, the terrain around Antalaha has only modest variations in elevation — a maximum elevation change of 138 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 530 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,083 m.

The land around Antalaha is covered by water (43%) and trees (37%) within 3 km, water (48%) and trees (39%) within 16 km, and trees (55%) and water (35%) within 80 km.

3 km
138 m
16 km
530 m
80 km
2,083 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Ampahana 18 km · Sambava 71 km · Andapa 73 km · Maroantsetra 83 km · Mananara 151 km · Bealanana 169 km · Iharan̈a 175 km · Befandriana 191 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 Antalaha (-14.9003°, 50.2788°, elevation 13 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).