Betioky weather in May

In May, Betioky sees average daytime highs of 30°C and overnight lows near 18°C, with 5 mm of rain across 1.4 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 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 82% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 06 min at the start of May to 10 h 42 min by month's end. Set against the rest of the year, May is Betioky's 5th-clearest and 8th-windiest month. For the whole year in context, see Betioky's year-round climate.

Daytime high
30°
9th warmest
Overnight low
18°
5th coldest
Rainfall
5 mm
1.4 wet days
Daylight
10 h 54 min
6:33 AM – 5:24 PM
Cloud cover
22%
5th clearest
Wind
11 km/h
8th windiest
Solar energy
4.44 kWh/m²
Travel score
6.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 29°C by the end.

A typical May day in Betioky reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13119
23119
33119
43119
53119
63119
73019
83019
93019
103018
113018
123018
133018
143018
153018
163018
173018
183018
192918
202918
212917
222917
232917
242917
252917
262917
272917
282917
292917
302917
312816

How May really feels in Betioky

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.

Betioky 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
Jan33° / 23°19117.413.32.9
Feb33° / 23°11413.512.83.1
Mar33° / 23°629.412.23.5
Apr32° / 21°224.211.54.7
May30° / 18°51.410.96.7
Jun28° / 16°30.910.68.5
Jul27° / 15°30.610.78.8
Aug29° / 16°30.611.27.5
Sep32° / 17°40.811.95.7
Oct33° / 20°152.912.64.1
Nov34° / 22°356.213.13.3
Dec34° / 23°10012.713.43.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 82% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 9% of May, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
3919
4919
5919
6919
7919
8919
9919
109010
119010
129010
139010
149010
159010
169010
178911
188911
198911
209010
219010
229010
239010
249010
259010
26919
27919
28919
29919
30928
31937

Chance of precipitation in May

Any precipitation

Betioky gets around 5 mm of rain over 1.4 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 5% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
56
66
76
86
96
106
115
125
135
145
155
165
175
185
195
205
214
224
234
244
254
264
274
284
295
305
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 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11841356
21942336
31943325
41944315
52045304
62046304
72047294
82147283
92248273
102347273
112447263
122546262
132646252
142845252
152944242
163143242
173243232
183342232
193541222
203641212
213840211
223940201
234040191
244140181
254239181
264339171
274439161
284538151
294638151
304837141
315036131

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
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 06 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 24 minutes over May. Sunrise moves from 6:26 AM to 6:40 AM, and sunset from 5:34 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:265:34
211.16:265:33
311.16:275:32
411.16:275:31
511.16:285:31
611.06:285:30
711.06:295:29
811.06:295:29
911.06:305:28
1011.06:305:28
1110.96:315:27
1210.96:315:26
1310.96:325:26
1410.96:325:25
1510.96:325:25
1610.96:335:24
1710.86:335:24
1810.86:345:24
1910.86:345:23
2010.86:355:23
2110.86:355:22
2210.86:365:22
2310.86:365:22
2410.76:375:21
2510.76:375:21
2610.76:385:21
2710.76:385:20
2810.76:395:20
2910.76:395:20
3010.76:405:20
3110.76:405:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.44 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 7.42 kWh/m² in November across the year — May's 4.44 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Betioky

In seasonPeak

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

Betioky'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 Betioky?

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

6.7
Sightseeing
4th-best month of the year
8.9
Beach & pool
4th-best month of the year

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

What to pack for Betioky in May

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

In May, Betioky sees daytime highs around 30°C and nights near 18°C. Pack light clothes.

light clothes

UV index in Betioky 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 Betioky peaks around January 24 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 highExtremeJan 24UV 14Jun 20UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar13Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug7Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme
Location & terrain

Where is Betioky?

Betioky sits at 23.7°S, 44.4°E, 257 m above sea level, in Madagascar. The nearest listed city is Anakao, 75 km away.

ToliaraSakarahaBekilyAmpanihyItampoloAnkazoaboBeloha

Topography around Betioky

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

Within 3 km, the terrain around Betioky has only modest variations in elevation — a maximum elevation change of 94 m around an average of 249 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 304 m; within 80 km, large variations in elevation — a maximum elevation change of 832 m.

The land around Betioky is covered by grassland (59%) and shrubs (23%) within 3 km, shrubs (44%) and grassland (31%) within 16 km, and shrubs (48%) and grassland (35%) within 80 km.

3 km
94 m
16 km
304 m
80 km
832 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Anakao 75 km · Toliara 84 km · Sakaraha 93 km · Bekily 110 km · Ampanihy 114 km · Itampolo 116 km · Ankazoabo 160 km · Beloha 174 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 Betioky (-23.7206°, 44.3807°, elevation 257 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).