Ampasimanolotra weather in May

In May, Ampasimanolotra sees average daytime highs of 26°C and overnight lows near 21°C, with 150 mm of rain across 20 wet days and about 11.1 hours of daylight. It is the 8th-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 31% 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 11 hours by month's end. Set against the rest of the year, May is Ampasimanolotra's 5th-clearest and 5th-windiest month. For the whole year in context, see Ampasimanolotra's year-round climate.

Daytime high
26°
8th warmest
Overnight low
21°
6th coldest
Rainfall
150 mm
20 wet days
Daylight
11 h 06 min
6:07 AM – 5:13 PM
Cloud cover
53%
5th clearest
Wind
8 km/h
5th windiest
Solar energy
3.61 kWh/m²
Travel score
5.4
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 Ampasimanolotra 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)
12721
22721
32721
42721
52721
62721
72621
82621
92621
102621
112621
122621
132621
142621
152621
162621
172620
182620
192620
202620
212620
222520
232520
242520
252520
262520
272520
282520
292520
302520
312520

How May really feels in Ampasimanolotra

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.

Ampasimanolotra weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°30325133.4
Feb29° / 24°31423.112.63.4
Mar29° / 23°3312512.13.7
Apr28° / 22°15420.311.64.9
May26° / 21°1502011.15.4
Jun24° / 19°12620.210.95.4
Jul23° / 18°14421115.3
Aug23° / 18°10118.511.45.8
Sep25° / 18°6914.511.96.4
Oct26° / 20°7813.912.46.2
Nov28° / 21°7313.312.95.7
Dec29° / 23°18820.413.14.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35842
45842
55743
65644
75644
85644
95545
105545
115545
125545
135545
145644
155743
165842
175941
186040
196139
206238
216337
226436
236436
246436
256535
266634
276634
286634
296634
306535
316634

Chance of precipitation in May

Any precipitation

Ampasimanolotra gets around 150 mm of rain over 20 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 (%)
159
260
360
461
562
662
763
864
965
1066
1166
1267
1367
1467
1567
1667
1767
1866
1966
2066
2165
2265
2364
2464
2563
2663
2762
2862
2962
3061
3161

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 66% 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 (%)
10245530
20247510
30249490
40250471
50252451
60253441
70255421
80257401
90259381
100260371
110361351
120363331
130365311
140466291
150468271
160569251
170571231
180673210
190774190
200775180
210876160
220877150
230977140
2411076130
2511175130
2611176120
2711276110
2811375110
2911475100
301167490
312177290

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

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

Days shrink by about 18 minutes over May. Sunrise moves from 6:01 AM to 6:12 AM, and sunset from 5:21 PM to 5:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:015:21
211.36:015:20
311.36:025:20
411.36:025:19
511.36:025:18
611.36:035:18
711.26:035:17
811.26:045:17
911.26:045:16
1011.26:045:16
1111.26:055:15
1211.26:055:15
1311.26:055:15
1411.16:065:14
1511.16:065:14
1611.16:075:13
1711.16:075:13
1811.16:075:13
1911.16:085:12
2011.16:085:12
2111.16:085:12
2211.06:095:12
2311.06:095:11
2411.06:105:11
2511.06:105:11
2611.06:105:11
2711.06:115:11
2811.06:115:10
2911.06:125:10
3011.06:125:10
3111.06:125:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.61 kWh/m².

For context, solar energy here swings from a low near 3.19 kWh/m² to a high of 6.03 kWh/m² in November across the year — May's 3.61 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
14.0Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in May

Hazard calendar for Ampasimanolotra

In seasonPeak

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

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

Ampasimanolotra'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 Ampasimanolotra?

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

5.4
Sightseeing
5th-best month of the year
5.1
Beach & pool
6th-best month of the year

May is a reasonable time to visit Ampasimanolotra for sightseeing.

What to pack for Ampasimanolotra in May

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

In May, Ampasimanolotra sees daytime highs around 26°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 20 days see rain.

rain gearlight clothes

Sea temperature near Ampasimanolotra 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 33 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 Ampasimanolotra 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 Ampasimanolotra peaks around February 14 at about 15 (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 14UV 15Jun 18UV 6
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun6High
Jul7Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov12Extreme
Dec14Extreme

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

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 934 µg/m³Mar 127 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr7Good
May9Good
Jun8Good
Jul8Good
Aug8Good
Sep11Good
Oct33Moderate
Nov34Moderate
Dec13Moderate
Location & terrain

Where is Ampasimanolotra?

Ampasimanolotra sits at 18.8°S, 49.1°E, 13 m above sea level, in Madagascar. The nearest listed city is Vatomandry, 58 km away.

MoramangaDidyMahanoroAmbatondrazakaManjakandrianaAnjozorobe

Topography around Ampasimanolotra

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

Within 3 km, the terrain around Ampasimanolotra has only modest variations in elevation — a maximum elevation change of 97 m around an average of 26 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 264 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,536 m.

The land around Ampasimanolotra is covered by trees (38%) and grassland (21%) within 3 km, trees (47%), grassland (21%) and water (20%) within 16 km, and trees (49%) and water (32%) within 80 km.

3 km
97 m
16 km
264 m
80 km
1,536 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Vatomandry 58 km · Toamasina 82 km · Moramanga 89 km · Didy 96 km · Mahanoro 124 km · Ambatondrazaka 129 km · Manjakandriana 134 km · Anjozorobe 135 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 Ampasimanolotra (-18.8167°, 49.0667°, elevation 13 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).