Vatomandry weather in May

In May, Vatomandry sees average daytime highs of 26°C and overnight lows near 22°C, with 166 mm of rain across 20.1 wet days and about 11.1 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 38% of the time in May, and the air most often feels oppressive.

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 Vatomandry's 5th-clearest and 10th-windiest month. For the whole year in context, see Vatomandry's year-round climate.

Daytime high
26°
7th warmest
Overnight low
22°
6th coldest
Rainfall
166 mm
20.1 wet days
Daylight
11 h 06 min
6:08 AM – 5:13 PM
Cloud cover
49%
5th clearest
Wind
9 km/h
10th windiest
Solar energy
3.75 kWh/m²
Travel score
5.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical May day in Vatomandry reaches about 26°C in the afternoon and slips back to 22°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)
12723
22723
32723
42723
52623
62622
72622
82622
92622
102622
112622
122622
132622
142622
152622
162622
172622
182622
192622
202622
212621
222521
232521
242521
252521
262521
272521
282521
292521
302521
312521

How May really feels in Vatomandry

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.

Vatomandry weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°28825.7133.5
Feb29° / 25°31523.512.73.5
Mar28° / 24°34625.712.13.8
Apr27° / 23°15421.111.64.8
May26° / 22°16620.111.15.4
Jun24° / 20°12220.210.95.5
Jul23° / 19°13020.5115.5
Aug24° / 19°8417.211.36.1
Sep24° / 20°6414.611.96.5
Oct26° / 22°8215.212.46.2
Nov27° / 23°8214.812.95.8
Dec29° / 24°18821.213.14.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 30% of May, with mostly cloudy or overcast conditions the remaining 31%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
27030
36931
46931
56733
66733
76733
86634
96535
106535
116436
126436
136535
146535
156535
166634
176733
186733
196832
206931
217030
227129
237129
247228
257228
267327
277327
287426
297426
307426
317426

Chance of precipitation in May

Any precipitation

Vatomandry gets around 166 mm of rain over 20.1 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 64% and peaks near 67% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
162
262
362
463
563
664
765
865
966
1066
1167
1267
1367
1467
1567
1667
1767
1866
1965
2065
2164
2264
2363
2463
2563
2663
2762
2862
2962
3062
3163

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1020764
2021763
3022753
4022753
5023743
6024733
7025732
8026722
9028702
10130672
11131662
12133642
13135622
14137611
15239581
16241561
17242551
18244531
19346501
20347491
21348480
22349470
23451450
24452440
25552430
26553420
27653410
28655390
29755380
30856360
31957340

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
1110calm
1210calm
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 6:02 AM to 6:14 AM, and sunset from 5:20 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:025:20
211.36:025:20
311.36:035:19
411.36:035:19
511.26:045:18
611.26:045:18
711.26:045:17
811.26:055:17
911.26:055:16
1011.26:055:16
1111.26:065:15
1211.16:065:15
1311.16:065:14
1411.16:075:14
1511.16:075:13
1611.16:085:13
1711.16:085:13
1811.16:085:12
1911.16:095:12
2011.06:095:12
2111.06:105:11
2211.06:105:11
2311.06:105:11
2411.06:115:11
2511.06:115:10
2611.06:125:10
2711.06:125:10
2811.06:125:10
2910.96:135:10
3010.96:135:09
3110.96:145:09

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.75 kWh/m².

For context, solar energy here swings from a low near 3.32 kWh/m² to a high of 6.18 kWh/m² in November across the year — May's 3.75 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.1Bright
44.0Bright
54.0Bright
64.0Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Vatomandry

In seasonPeak

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

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

Vatomandry's rainy season runs May–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 Vatomandry?

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

5.4
Sightseeing
7th-best month of the year
5.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Vatomandry for sightseeing.

What to pack for Vatomandry in May

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

In May, Vatomandry sees daytime highs around 26°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 20 days see rain.

rain gearlight clothes

Sea temperature near Vatomandry 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 16 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
Jul25Warm
Aug24Warm
Sep24Warm
Oct25Warm
Nov26Warm
Dec28Warm

UV index in Vatomandry in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vatomandry 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
Apr10Extreme
May8Very high
Jun6High
Jul7Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov12Extreme
Dec14Extreme

Air quality in Vatomandry 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 Vatomandry is worst in October — around 34 µg/m³ PM2.5 (moderate), about 5.0× the cleanest month (February, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateOct 2133 µg/m³Feb 207 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr8Good
May11Good
Jun10Good
Jul9Good
Aug10Good
Sep10Good
Oct34Moderate
Nov27Moderate
Dec12Good
Location & terrain

Where is Vatomandry?

Vatomandry sits at 19.3°S, 49.0°E, 5 m above sea level, in Madagascar. The nearest listed city is Ampasimanolotra, 58 km away.

MoramangaMarolamboManjakandrianaAlarobiaToamasinaDidy

Topography around Vatomandry

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

Within 3 km, the terrain around Vatomandry has only modest variations in elevation — a maximum elevation change of 55 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 170 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,326 m.

The land around Vatomandry is covered by water (45%) and grassland (22%) within 3 km, water (53%) and trees (30%) within 16 km, and trees (37%) and water (35%) within 80 km.

3 km
55 m
16 km
170 m
80 km
1,326 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Ampasimanolotra 58 km · Mahanoro 66 km · Moramanga 89 km · Marolambo 121 km · Manjakandriana 132 km · Alarobia 137 km · Toamasina 139 km · Didy 143 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 Vatomandry (-19.3302°, 48.9779°, elevation 5 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).