Iharan̈a weather in May

In May, Iharan̈a sees average daytime highs of 27°C and overnight lows near 24°C, with 56 mm of rain across 12.8 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 63% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of May to 11 h 18 min by month's end. Set against the rest of the year, May is Iharan̈a's 3rd-clearest and 6th-windiest month. For the whole year in context, see Iharan̈a's year-round climate.

Daytime high
27°
7th warmest
Overnight low
24°
7th coldest
Rainfall
56 mm
12.8 wet days
Daylight
11 h 24 min
5:55 AM – 5:18 PM
Cloud cover
38%
3rd clearest
Wind
25 km/h
6th windiest
Solar energy
4.83 kWh/m²
Travel score
6.4
out of 10

Iharan̈a is city in 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 27°C through the month.

A typical May day in Iharan̈a reaches about 27°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172724
182724
192724
202724
212724
222724
232724
242724
252724
262724
272724
282724
292724
302724
312723

How May really feels in Iharan̈a

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.

Iharan̈a weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°22324.512.73.6
Feb29° / 25°19022.112.43.6
Mar29° / 25°18823.312.13.9
Apr28° / 25°11718.611.74.8
May27° / 24°5612.811.46.4
Jun26° / 23°5612.811.26.5
Jul25° / 22°6613.211.36.6
Aug25° / 22°5313.411.66.7
Sep26° / 22°4111.211.97.0
Oct26° / 23°461112.36.9
Nov28° / 24°5412.412.66.3
Dec28° / 25°15321.212.84.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% 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 19%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37921
47921
58020
68020
78020
88119
98119
108119
118119
128119
138119
148119
158119
168119
178119
188119
198218
208218
218218
228317
238317
248317
258317
268218
278317
288416
298317
308317
318317

Chance of precipitation in May

Any precipitation

Iharan̈a gets around 56 mm of rain over 12.8 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 41% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
248
347
446
545
644
744
843
942
1042
1141
1241
1341
1441
1540
1640
1740
1839
1939
2039
2138
2239
2339
2439
2539
2639
2739
2839
2939
3039
3138

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1013852
2014842
3015832
4016831
5018811
6019801
7020791
8022771
9024751
10026731
11028711
12030691
13132661
14134641
15136630
16138610
17140590
18142570
19144550
20246520
21247510
22249490
23251470
24253450
25353440
26355420
27356410
28457390
29459370
30460360
31561340

Wind in May

Winds average 25 km/h in May.

Across May, daily wind ranges from about 24 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
325breezy
425breezy
525breezy
625breezy
725breezy
825breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1526breezy
1626breezy
1726breezy
1826breezy
1926breezy
2026breezy
2126breezy
2226breezy
2326breezy
2426breezy
2526breezy
2626breezy
2726breezy
2827breezy
2927breezy
3027breezy
3127breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 30 min at the start of May to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 5:51 AM to 5:59 AM, and sunset from 5:23 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:515:23
211.55:515:23
311.55:525:22
411.55:525:22
511.55:525:21
611.55:525:21
711.55:525:21
811.55:535:20
911.45:535:20
1011.45:535:20
1111.45:535:19
1211.45:545:19
1311.45:545:19
1411.45:545:18
1511.45:545:18
1611.45:555:18
1711.45:555:18
1811.45:555:17
1911.45:565:17
2011.45:565:17
2111.35:565:17
2211.35:565:17
2311.35:575:16
2411.35:575:16
2511.35:575:16
2611.35:585:16
2711.35:585:16
2811.35:585:16
2911.35:585:16
3011.35:595:16
3111.35:595:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.83 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.58 kWh/m² in November across the year — May's 4.83 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in May

Hazard calendar for Iharan̈a

In seasonPeak

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

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

Iharan̈a's monsoon runs December–April, when most of the year's rain falls.

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

Is May a good time to visit Iharan̈a?

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

6.4
Sightseeing
6th-best month of the year
6.6
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Iharan̈a for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Iharan̈a in May

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

In May, Iharan̈a sees daytime highs around 27°C and nights near 24°C. Pack light clothes. Worth having: rain gear, sun protection and a windbreaker. About 13 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Iharan̈a 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 14 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
Mar29Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul25Warm
Aug24Warm
Sep25Warm
Oct25Warm
Nov27Warm
Dec28Warm

UV index in Iharan̈a in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iharan̈a peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jun 22UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Iharan̈a?

Iharan̈a sits at 13.3°S, 50.0°E, in Madagascar. The nearest listed city is Sambava, 104 km away.

SambavaAmbilobeAmbarakarakaAntsohimbondronaAntsirananaAndapaAmpahanaAmbanja

Topography around Iharan̈a

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

Within 3 km, the terrain around Iharan̈a has only modest variations in elevation — a maximum elevation change of 117 m around an average of 3 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 420 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,814 m.

The land around Iharan̈a is covered by water (71%) within 3 km, water (55%) and grassland (31%) within 16 km, and grassland (37%), water (37%) and trees (22%) within 80 km.

3 km
117 m
16 km
420 m
80 km
1,814 m
treesshrubsgrasslandartificial surfaceswaterwetlandmangroves
May weather nearby: Sambava 104 km · Ambilobe 104 km · Ambarakaraka 124 km · Antsohimbondrona 128 km · Antsiranana 138 km · Andapa 149 km · Ampahana 157 km · Ambanja 171 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 Iharan̈a (-13.35°, 50°), 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).