Soanierana Ivongo weather in May

In May, Soanierana Ivongo sees average daytime highs of 26°C and overnight lows near 21°C, with 249 mm of rain across 24.5 wet days and about 11.2 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of May to 11 h 06 min by month's end. Set against the rest of the year, May is Soanierana Ivongo's 5th-clearest and 5th-windiest month. For the whole year in context, see Soanierana Ivongo's year-round climate.

Daytime high
26°
7th warmest
Overnight low
21°
6th coldest
Rainfall
249 mm
24.5 wet days
Daylight
11 h 12 min
6:02 AM – 5:14 PM
Cloud cover
59%
5th clearest
Wind
10 km/h
5th windiest
Solar energy
3.75 kWh/m²
Travel score
4.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 25°C by the end.

A typical May day in Soanierana Ivongo reaches about 26°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°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)
12722
22722
32722
42722
52622
62622
72622
82622
92622
102622
112622
122622
132621
142621
152621
162621
172621
182621
192621
202621
212521
222521
232521
242521
252521
262521
272521
282521
292521
302521
312520

How May really feels in Soanierana Ivongo

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.

Soanierana Ivongo weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°36827.512.93.1
Feb29° / 24°37624.212.63.2
Mar29° / 24°38327.712.13.4
Apr27° / 23°25825.811.64.1
May26° / 21°24924.511.24.6
Jun24° / 20°24426.1114.4
Jul23° / 19°2782711.14.3
Aug23° / 19°20024.911.44.7
Sep24° / 19°14422.211.95.1
Oct26° / 20°12820.512.45.3
Nov27° / 22°12619.812.85.0
Dec29° / 23°22424.9133.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45050
54951
65050
74951
84951
94951
104852
114852
124753
134852
144852
154852
164951
174951
185050
195050
205050
215149
225149
235149
245149
255248
265248
275248
285248
295347
305347
315347

Chance of precipitation in May

Any precipitation

Soanierana Ivongo gets around 249 mm of rain over 24.5 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 80% and peaks near 81% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
180
279
379
479
579
679
779
879
979
1079
1180
1280
1380
1481
1581
1681
1781
1881
1981
2081
2180
2280
2380
2480
2580
2680
2780
2880
2980
3080
3180

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1019792
2019792
3020782
4020782
5021772
6022762
7022771
8023761
9025741
10126721
11128701
12130681
13132661
14135631
15237601
16239581
17241561
18243541
19245521
20247501
21349480
22351460
23353440
24354430
25356410
26456400
27458380
28459370
29560350
30562330
31663310

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 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
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 24 min at the start of May to 11 h 06 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 5:57 AM to 6:07 AM, and sunset from 5:21 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:575:21
211.45:575:20
311.45:575:20
411.45:585:19
511.35:585:19
611.35:585:18
711.35:595:18
811.35:595:17
911.35:595:17
1011.36:005:16
1111.36:005:16
1211.36:005:16
1311.26:015:15
1411.26:015:15
1511.26:015:15
1611.26:025:14
1711.26:025:14
1811.26:025:14
1911.26:035:13
2011.26:035:13
2111.26:035:13
2211.16:045:13
2311.16:045:12
2411.16:045:12
2511.16:055:12
2611.16:055:12
2711.16:055:12
2811.16:065:12
2911.16:065:11
3011.16:075:11
3111.16:075:11

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 3.27 kWh/m² to a high of 6.03 kWh/m² in November across the year — May's 3.75 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Moderate
54.0Moderate
64.0Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Soanierana Ivongo

In seasonPeak

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

Soanierana Ivongo 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 Soanierana Ivongo?

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

4.6
Sightseeing
5th-best month of the year
4.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Soanierana Ivongo for sightseeing.

What to pack for Soanierana Ivongo in May

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

In May, Soanierana Ivongo sees daytime highs around 26°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 25 days see rain.

rain gearlight clothes

Sea temperature near Soanierana Ivongo 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
Jun25Warm
Jul24Warm
Aug24Refreshing
Sep24Warm
Oct26Warm
Nov27Warm
Dec28Warm

UV index in Soanierana Ivongo 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 Soanierana Ivongo peaks around February 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 11UV 15Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec14Extreme

Air quality in Soanierana Ivongo 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 Soanierana Ivongo is worst in November — around 27 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (February, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1625 µg/m³Feb 146 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May7Good
Jun7Good
Jul7Good
Aug6Good
Sep6Good
Oct11Good
Nov27Moderate
Dec9Good
Location & terrain

Where is Soanierana Ivongo?

Soanierana Ivongo sits at 16.9°S, 49.6°E, 117 m above sea level, in Madagascar. The nearest listed city is Ambodifotatra, 29 km away.

MananaraAndilamenaImerimandroso

Topography around Soanierana Ivongo

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

Within 3 km, the terrain around Soanierana Ivongo has only modest variations in elevation — a maximum elevation change of 105 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 433 m; within 80 km, large variations in elevation — a maximum elevation change of 1,196 m.

The land around Soanierana Ivongo is covered by water (34%) and trees (24%) within 3 km, water (39%) and trees (21%) within 16 km, and trees (45%) and water (40%) within 80 km.

3 km
105 m
16 km
433 m
80 km
1,196 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Ambodifotatra 29 km · Fenoarivo Atsinanana 55 km · Ambodimanga II 59 km · Vavatenina 73 km · Vohibinany 76 km · Mananara 85 km · Andilamena 108 km · Imerimandroso 121 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 Soanierana Ivongo (-16.9167°, 49.5833°, elevation 117 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).