Ihosy weather in May

In May, Ihosy sees average daytime highs of 25°C and overnight lows near 15°C, with 12 mm of rain across 2.5 wet days and about 10.9 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 24°C by the end. The sky is clear or mostly clear about 58% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Ihosy's 6th-clearest and 11th-windiest month. For the whole year in context, see Ihosy's year-round climate.

Daytime high
25°
9th warmest
Overnight low
15°
5th coldest
Rainfall
12 mm
2.5 wet days
Daylight
10 h 54 min
6:24 AM – 5:20 PM
Cloud cover
39%
6th clearest
Wind
11 km/h
11th windiest
Solar energy
4.26 kWh/m²
Travel score
8.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 24°C by the end.

A typical May day in Ihosy reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32516
42516
52516
62515
72515
82515
92515
102515
112515
122515
132515
142515
152515
162515
172415
182415
192414
202414
212414
222414
232414
242414
252414
262414
272414
282414
292414
302414
312413

Ihosy weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°22518.313.24.7
Feb28° / 19°14514.712.85.3
Mar28° / 19°8911.912.26.1
Apr27° / 17°345.811.57.4
May25° / 15°122.510.98.5
Jun23° / 13°51.110.78.7
Jul22° / 12°71.210.88.5
Aug24° / 12°30.711.29.1
Sep26° / 14°51.311.98.7
Oct28° / 16°345.212.57.1
Nov29° / 18°76913.15.7
Dec29° / 19°17316.413.34.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47327
57426
67426
77426
87426
97426
107426
117327
127327
137426
147426
157525
167624
177624
187723
197822
207921
218020
228119
238119
248218
258218
268218
278317
288416
298416
308416
318416

Chance of precipitation in May

Any precipitation

Ihosy gets around 12 mm of rain over 2.5 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 8% and peaks near 13% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
113
213
312
412
512
611
711
811
910
1010
1110
129
139
149
158
168
178
187
197
206
216
226
236
246
256
266
276
286
296
306
315

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1842474
2943453
3944443
41045432
51046422
61146412
71247392
81347382
91448371
101548361
111549341
121650331
131751311
141852291
151952281
162053261
172153251
182155231
192255221
202355211
212456200
222556190
232656180
242756170
252855170
263054160
273154150
283254140
293453130
303651130
313950110

Wind in May

Winds average 11 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
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 min at the start of May to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 6:17 AM to 6:31 AM, and sunset from 5:28 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:175:28
211.26:185:28
311.16:185:27
411.16:185:26
511.16:195:26
611.16:195:25
711.16:205:24
811.16:205:24
911.06:215:23
1011.06:215:23
1111.06:225:22
1211.06:225:22
1311.06:225:21
1411.06:235:21
1510.96:235:20
1610.96:245:20
1710.96:245:19
1810.96:255:19
1910.96:255:18
2010.96:265:18
2110.96:265:18
2210.86:275:17
2310.86:275:17
2410.86:285:17
2510.86:285:16
2610.86:285:16
2710.86:295:16
2810.86:295:16
2910.86:305:15
3010.86:305:15
3110.76:315:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.26 kWh/m².

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 7.02 kWh/m² in November across the year — May's 4.26 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in May

Hazard calendar for Ihosy

In seasonPeak

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

Ihosy's monsoon runs December–February, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Ihosy?

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

8.5
Sightseeing
4th-best month of the year
7.4
Beach & pool
4th-best month of the year

May is one of the better times to visit Ihosy for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ihosy in May

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

In May, Ihosy sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes.

light clothes

UV index in Ihosy in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ihosy peaks around February 12 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 12UV 16Jun 19UV 6
UV index (midday)Level
Jan15Extreme
Feb17Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul7High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec15Extreme

Air quality in Ihosy 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 Ihosy is worst in October — around 18 µg/m³ PM2.5 (moderate), about 5.6× the cleanest month (January, 3 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1518 µg/m³Mar 123 µg/m³
PM2.5 (µg/m³)Level
Jan3Good
Feb3Good
Mar3Good
Apr4Good
May7Good
Jun6Good
Jul8Good
Aug12Good
Sep15Moderate
Oct18Moderate
Nov14Moderate
Dec5Good
Location & terrain

Where is Ihosy?

Ihosy sits at 22.4°S, 46.1°E, 733 m above sea level, in Madagascar. The nearest listed city is Ivohibe, 78 km away.

BetrokaAmbalavaoVondrozoBerorohaFianarantsoaIkongoIkalamavony

Topography around Ihosy

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

Within 3 km, the terrain around Ihosy has significant variations in elevation — a maximum elevation change of 357 m around an average of 763 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 591 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,163 m.

The land around Ihosy is covered by grassland (66%) and cropland (23%) within 3 km, grassland (85%) within 16 km, and grassland (94%) within 80 km.

3 km
357 m
16 km
591 m
80 km
2,163 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Ivohibe 78 km · Betroka 96 km · Ambalavao 105 km · Vondrozo 127 km · Beroroha 128 km · Fianarantsoa 145 km · Ikongo 147 km · Ikalamavony 147 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 Ihosy (-22.4029°, 46.1258°, elevation 733 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. 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).