Mahanoro weather in May

In May, Mahanoro sees average daytime highs of 25°C and overnight lows near 21°C, with 200 mm of rain across 19.8 wet days and about 11.1 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 35% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 18 min at the start of May to 10 h 54 min by month's end. Set against the rest of the year, May is Mahanoro's 6th-clearest and 10th-windiest month. For the whole year in context, see Mahanoro's year-round climate.

Daytime high
25°
8th warmest
Overnight low
21°
6th coldest
Rainfall
200 mm
19.8 wet days
Daylight
11 h 06 min
6:09 AM – 5:13 PM
Cloud cover
50%
6th clearest
Wind
9 km/h
10th windiest
Solar energy
3.89 kWh/m²
Travel score
5.5
out of 10

Mahanoro is place in Atsinanana, Madagascar.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical May day in Mahanoro 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 24°C and 27°C. Set against its neighbours, May runs about 2°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
82622
92622
102622
112622
122622
132621
142521
152521
162521
172521
182521
192521
202521
212521
222521
232521
242521
252521
262521
272521
282521
292521
302521
312520

How May really feels in Mahanoro

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.

Mahanoro weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°31524.613.13.7
Feb29° / 24°30923.312.73.6
Mar28° / 24°31925.112.14.0
Apr27° / 23°17520.511.65.0
May25° / 21°20019.811.15.5
Jun24° / 20°12117.810.85.9
Jul23° / 19°12319.310.95.6
Aug23° / 19°751511.36.5
Sep24° / 19°591211.97.0
Oct26° / 21°7912.212.56.6
Nov27° / 23°9112.212.96.2
Dec28° / 24°19018.713.24.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 31% of May, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36535
46535
56436
66436
76337
86337
96337
106238
116139
126238
136238
146337
156436
166436
176535
186634
196733
206832
216931
226931
237030
247030
257129
267129
277228
287228
297327
307327
317228

Chance of precipitation in May

Any precipitation

Mahanoro gets around 200 mm of rain over 19.8 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 63% and peaks near 69% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
163
264
364
465
566
666
767
868
968
1069
1169
1269
1368
1467
1567
1665
1764
1863
1962
2061
2160
2260
2359
2458
2558
2657
2757
2857
2957
3057
3157

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10240580
20242551
30144541
40145531
50147511
60149491
70250471
80252451
90254431
100256411
110357391
120359371
130460351
140561331
150563311
160664291
170666271
180768250
190769240
200870220
210871210
220971200
231971190
2411071180
2511072170
2611172160
2711271160
2811272150
2911372140
3011571130
3111671120

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 18 min at the start of May to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 6:03 AM to 6:15 AM, and sunset from 5:21 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:035:21
211.36:045:20
311.36:045:19
411.26:055:19
511.26:055:18
611.26:055:18
711.26:065:17
811.26:065:16
911.26:065:16
1011.16:075:15
1111.16:075:15
1211.16:085:15
1311.16:085:14
1411.16:085:14
1511.16:095:13
1611.16:095:13
1711.06:105:12
1811.06:105:12
1911.06:105:12
2011.06:115:11
2111.06:115:11
2211.06:125:11
2311.06:125:11
2411.06:135:10
2511.06:135:10
2610.96:135:10
2710.96:145:10
2810.96:145:09
2910.96:155:09
3010.96:155:09
3110.96:155:09

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.89 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 6.65 kWh/m² in November across the year — May's 3.89 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.1Bright
84.0Bright
94.0Bright
104.0Moderate
114.0Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in May

Hazard calendar for Mahanoro

In seasonPeak

In May, Mahanoro sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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

Mahanoro's rainy season runs December–May, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Mahanoro?

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

5.5
Sightseeing
7th-best month of the year
5.1
Beach & pool
6th-best month of the year

May is a reasonable time to visit Mahanoro for sightseeing.

What to pack for Mahanoro in May

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

In May, Mahanoro sees daytime highs around 25°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 20 days see rain.

rain gearlight clothes

Sea temperature near Mahanoro 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
Jan28Tropical
Feb29Tropical
Mar28Tropical
Apr28Warm
May27Warm
Jun26Warm
Jul25Warm
Aug24Warm
Sep24Warm
Oct25Warm
Nov26Warm
Dec28Warm

UV index in Mahanoro in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mahanoro peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 13UV 16Jun 18UV 6
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun6High
Jul7High
Aug8Very high
Sep10Extreme
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Mahanoro 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 Mahanoro is worst in October — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 2023 µg/m³Mar 116 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar6Good
Apr6Good
May8Good
Jun8Good
Jul7Good
Aug8Good
Sep8Good
Oct24Moderate
Nov18Moderate
Dec8Good
Location & terrain

Where is Mahanoro?

Mahanoro sits at 19.9°S, 48.8°E, 3 m above sea level, in Madagascar. The nearest listed city is Vatomandry, 66 km away.

SahavatoMoramangaAmpasimanolotraManjakandrianaFandriana

Topography around Mahanoro

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

Within 3 km, the terrain around Mahanoro has only modest variations in elevation — a maximum elevation change of 42 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 236 m; within 80 km, large variations in elevation — a maximum elevation change of 1,147 m.

The land around Mahanoro is covered by shrubs (28%), trees (27%) and water (23%) within 3 km, water (50%) and trees (32%) within 16 km, and water (35%) and trees (34%) within 80 km.

3 km
42 m
16 km
236 m
80 km
1,147 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Vatomandry 66 km · Marolambo 73 km · Nosy Varika 81 km · Sahavato 92 km · Moramanga 121 km · Ampasimanolotra 124 km · Manjakandriana 152 km · Fandriana 153 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 Mahanoro (-19.9°, 48.8°, elevation 3 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).