Maroantsetra weather in May

In May, Maroantsetra sees average daytime highs of 25°C and overnight lows near 21°C, with 230 mm of rain across 25.4 wet days and about 11.3 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 14% 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 Maroantsetra's 2nd-clearest and 6th-windiest month. For the whole year in context, see Maroantsetra's year-round climate.

Daytime high
25°
7th warmest
Overnight low
21°
6th coldest
Rainfall
230 mm
25.4 wet days
Daylight
11 h 18 min
5:59 AM – 5:16 PM
Cloud cover
58%
2nd clearest
Wind
10 km/h
6th windiest
Solar energy
3.76 kWh/m²
Travel score
4.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 24°C by the end.

A typical May day in Maroantsetra reaches about 25°C in the afternoon and slips back to 21°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°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)
12622
22622
32622
42622
52622
62622
72622
82522
92522
102522
112522
122522
132522
142521
152521
162521
172521
182521
192521
202521
212521
222521
232521
242421
252421
262421
272421
282421
292421
302421
312421

Maroantsetra 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
Jan28° / 24°34227.512.83.4
Feb28° / 24°3542512.53.4
Mar28° / 23°38728.312.13.7
Apr26° / 23°29327.411.73.9
May25° / 21°23025.411.34.5
Jun23° / 20°27727.611.14.1
Jul22° / 19°31628.911.23.9
Aug22° / 19°2502811.54.0
Sep23° / 19°17825.711.94.4
Oct25° / 20°14324.312.44.8
Nov26° / 22°14022.212.74.8
Dec28° / 23°22626.512.94.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 39% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35446
45446
55545
65545
75545
85545
95446
105545
115545
125446
135446
145446
155446
165446
175446
185446
195446
205446
215446
225347
235347
245347
255347
265446
275446
285347
295347
305347
315248

Chance of precipitation in May

Any precipitation

Maroantsetra gets around 230 mm of rain over 25.4 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 83% and peaks near 85% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
384
483
583
682
782
882
982
1082
1182
1282
1382
1482
1583
1683
1783
1883
1983
2083
2183
2283
2383
2483
2584
2684
2784
2884
2984
3084
3184

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1004159
2004357
3004555
4004753
5004951
6005149
7015247
8015445
9015643
10015841
11016039
12026137
13026335
14026533
15036631
16036829
17046927
18047125
19047224
20057322
21057520
22067519
23167518
24167716
25177715
26177814
27187813
28187912
29197812
301107811
311117810

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 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
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
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 5:55 AM to 6:04 AM, and sunset from 5:22 PM to 5:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:555:22
211.45:555:21
311.45:555:21
411.45:555:20
511.45:565:20
611.45:565:19
711.45:565:19
811.45:565:19
911.45:575:18
1011.35:575:18
1111.35:575:17
1211.35:585:17
1311.35:585:17
1411.35:585:16
1511.35:585:16
1611.35:595:16
1711.35:595:16
1811.35:595:15
1911.36:005:15
2011.26:005:15
2111.26:005:15
2211.26:015:14
2311.26:015:14
2411.26:015:14
2511.26:025:14
2611.26:025:14
2711.26:025:14
2811.26:035:13
2911.26:035:13
3011.26:035:13
3111.26:045:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.76 kWh/m².

For context, solar energy here swings from a low near 3.24 kWh/m² to a high of 5.76 kWh/m² in November across the year — May's 3.76 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Maroantsetra

In seasonPeak

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

Maroantsetra 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 May a good time to visit Maroantsetra?

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

4.5
Sightseeing
3rd-best month of the year
4.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Maroantsetra for sightseeing.

What to pack for Maroantsetra in May

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

In May, Maroantsetra sees daytime highs around 25°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 25 days see rain.

rain gearlight clothes

Sea temperature near Maroantsetra 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 at the nearest coast (about 26 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
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr28Tropical
May27Warm
Jun25Warm
Jul24Warm
Aug24Refreshing
Sep24Warm
Oct26Warm
Nov27Warm
Dec28Tropical

UV index in Maroantsetra in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Maroantsetra peaks around January 24 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 highExtremeJan 24UV 15Jun 20UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Maroantsetra 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 Maroantsetra is worst in November — around 26 µg/m³ PM2.5 (moderate), about 6.4× the cleanest month (August, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1825 µg/m³Aug 184 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb5Good
Mar5Good
Apr5Good
May5Good
Jun5Good
Jul5Good
Aug4Good
Sep4Good
Oct7Good
Nov26Moderate
Dec16Moderate
Location & terrain

Where is Maroantsetra?

Maroantsetra sits at 15.4°S, 49.7°E, 10 m above sea level, in Madagascar. The nearest listed city is Mananara, 82 km away.

AndapaAmpahanaBefandrianaSambavaBealananaSoanierana Ivongo

Topography around Maroantsetra

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

Within 3 km, the terrain around Maroantsetra has only modest variations in elevation — a maximum elevation change of 13 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 518 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,494 m.

The land around Maroantsetra is covered by water (31%) and trees (20%) within 3 km, water (40%) and trees (28%) within 16 km, and trees (66%) within 80 km.

3 km
13 m
16 km
518 m
80 km
1,494 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Mananara 82 km · Antalaha 83 km · Andapa 88 km · Ampahana 92 km · Befandriana 130 km · Sambava 138 km · Bealanana 145 km · Soanierana Ivongo 166 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 Maroantsetra (-15.4353°, 49.7379°, elevation 10 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).