Betafo weather in May

In May, Betafo sees average daytime highs of 23°C and overnight lows near 12°C, with 16 mm of rain across 2.8 wet days and about 11.1 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 58% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of May to 10 h 54 min by month's end. Set against the rest of the year, May is Betafo's 5th-clearest and 5th-windiest month. For the whole year in context, see Betafo's year-round climate.

Daytime high
23°
9th warmest
Overnight low
12°
5th coldest
Rainfall
16 mm
2.8 wet days
Daylight
11 h 06 min
6:17 AM – 5:21 PM
Cloud cover
36%
5th clearest
Wind
8 km/h
5th windiest
Solar energy
4.75 kWh/m²
Travel score
8.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical May day in Betafo reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12413
22413
32413
42313
52313
62312
72312
82312
92312
102312
112312
122312
132312
142312
152312
162312
172312
182312
192311
202311
212211
222211
232211
242211
252211
262211
272211
282211
292211
302210
312210

Betafo 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
Jan25° / 16°40926.513.14.2
Feb25° / 16°34322.312.74.5
Mar25° / 16°21518.812.15.4
Apr25° / 14°6410.811.67.1
May23° / 12°162.811.18.3
Jun21° / 40.910.88.5
Jul21° / 41.110.98.5
Aug23° / 30.911.38.9
Sep25° / 11°61.611.98.8
Oct26° / 13°639.112.57.2
Nov26° / 15°16416.312.95.8
Dec25° / 16°30423.813.24.6

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 26% of May, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28515
38515
48515
58416
68317
78317
88218
98218
108218
118020
128119
138119
148119
158119
168218
178218
188218
198317
208416
218416
228515
238614
248614
258713
268713
278713
288812
298812
308911
318911

Chance of precipitation in May

Any precipitation

Betafo gets around 16 mm of rain over 2.8 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 9% and peaks near 17% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
117
216
315
414
513
613
712
812
911
1011
1111
1211
1310
1410
159
169
179
188
198
207
217
227
237
246
256
266
276
286
296
306
315

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
146513
248493
350473
453452
555432
657412
759392
861372
963352
1065332
1167312
1269292
1370282
1472262
1574242
1675232
1777212
1878202
1980191
2081181
2182171
2283161
2385150
2486140
2587130
2688120
2789110
2890100
2990100
309190
319280

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 10 h 54 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 6:11 AM to 6:23 AM, and sunset from 5:28 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:115:28
211.36:125:28
311.36:125:27
411.26:125:27
511.26:135:26
611.26:135:25
711.26:135:25
811.26:145:24
911.26:145:24
1011.16:155:23
1111.16:155:23
1211.16:155:22
1311.16:165:22
1411.16:165:22
1511.16:175:21
1611.16:175:21
1711.16:175:20
1811.06:185:20
1911.06:185:20
2011.06:195:19
2111.06:195:19
2211.06:195:19
2311.06:205:19
2411.06:205:18
2511.06:215:18
2610.96:215:18
2710.96:215:18
2810.96:225:17
2910.96:225:17
3010.96:235:17
3110.96:235:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.75 kWh/m².

For context, solar energy here swings from a low near 4.49 kWh/m² to a high of 6.89 kWh/m² in November across the year — May's 4.75 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in May

Hazard calendar for Betafo

In seasonPeak

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

Betafo's monsoon runs December–March, 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 Betafo?

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

8.3
Sightseeing
5th-best month of the year
6.2
Beach & pool
4th-best month of the year

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

What to pack for Betafo in May

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

In May, Betafo sees daytime highs around 23°C and nights near 12°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Betafo 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 Betafo peaks around February 12 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 12UV 17Jun 17UV 7
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7High
Jul8Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec15Extreme

Air quality in Betafo 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 Betafo is worst in August — around 23 µg/m³ PM2.5 (moderate), about 4.3× the cleanest month (January, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1123 µg/m³Jan 156 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb8Good
Mar10Good
Apr14Moderate
May23Moderate
Jun23Moderate
Jul23Moderate
Aug23Moderate
Sep19Moderate
Oct21Moderate
Nov13Moderate
Dec7Good
Location & terrain

Where is Betafo?

Betafo sits at 19.8°S, 46.9°E, 1,371 m above sea level, in Madagascar. The nearest listed city is Antsirabe, 20 km away.

Topography around Betafo

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

Within 3 km, the terrain around Betafo has significant variations in elevation — a maximum elevation change of 391 m around an average of 1,426 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,011 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,103 m.

The land around Betafo is covered by cropland (65%) and grassland (24%) within 3 km, cropland (51%) and grassland (47%) within 16 km, and grassland (68%) and cropland (29%) within 80 km.

3 km
391 m
16 km
1,011 m
80 km
2,103 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Antsirabe 20 km · Soanindrariny 41 km · Miandrarivo 46 km · Faratsiho 49 km · Antanifotsy 53 km · Fandriana 71 km · Soavinandriana 75 km · Ambatolampy 78 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 Betafo (-19.8333°, 46.85°, elevation 1,371 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).