Antsalova weather in May

In May, Antsalova sees average daytime highs of 30°C and overnight lows near 20°C, with 7 mm of rain across 1.5 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 30°C through the month. The sky is clear or mostly clear about 86% 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 Antsalova's 4th-clearest and 9th-windiest month. For the whole year in context, see Antsalova's year-round climate.

Daytime high
30°
9th warmest
Overnight low
20°
5th coldest
Rainfall
7 mm
1.5 wet days
Daylight
11 h 06 min
6:24 AM – 5:31 PM
Cloud cover
21%
4th clearest
Wind
6 km/h
9th windiest
Solar energy
4.9 kWh/m²
Travel score
6.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical May day in Antsalova reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113120
123120
133120
143120
153020
163020
173020
183020
193020
203020
213020
223020
233019
243019
253019
263019
273019
283019
293019
303019
313019

How May really feels in Antsalova

Once humidity and wind are folded in, May averages 17 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
17
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Antsalova 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
Jan31° / 24°33828.1132.5
Feb31° / 24°29924.812.62.6
Mar32° / 24°18023.412.13.0
Apr32° / 23°511011.64.6
May30° / 20°71.511.16.3
Jun29° / 18°20.410.97.2
Jul29° / 17°10.4117.4
Aug30° / 18°20.611.46.9
Sep31° / 20°51.111.95.7
Oct32° / 22°327.312.44.4
Nov33° / 23°951612.93.2
Dec32° / 24°21125.413.12.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 86% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 7% of May, with mostly cloudy or overcast conditions the remaining 7%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2937
3937
4928
5928
6928
7928
8928
9919
10919
11919
12919
13919
14919
15919
16919
17919
18937
19937
20937
21937
22937
23946
24946
25946
26955
27955
28964
29964
30973
31973

Chance of precipitation in May

Any precipitation

Antsalova gets around 7 mm of rain over 1.5 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 5% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
28
38
47
57
67
76
86
96
106
116
126
136
145
155
165
175
185
195
205
215
224
234
244
254
264
274
284
294
304
314

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100439561
200541531
300543511
400645490
500746470
600847450
700948420
8001049400
9001151380
10011251360
11011352340
12011453320
13011554300
14011655280
15021755260
16021856240
17021957220
18022157200
19032257180
20032358160
21032459140
22032560120
23042659110
24042858100
2505295790
2605305780
2705315770
2806325660
2907345360
3017355250
3118375040

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:19 AM to 6:30 AM, and sunset from 5:39 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:195:39
211.36:195:38
311.36:195:38
411.36:205:37
511.36:205:36
611.36:205:36
711.26:215:35
811.26:215:35
911.26:225:34
1011.26:225:34
1111.26:225:33
1211.26:235:33
1311.26:235:33
1411.16:235:32
1511.16:245:32
1611.16:245:31
1711.16:245:31
1811.16:255:31
1911.16:255:30
2011.16:265:30
2111.16:265:30
2211.16:265:30
2311.06:275:29
2411.06:275:29
2511.06:285:29
2611.06:285:29
2711.06:285:29
2811.06:295:28
2911.06:295:28
3011.06:295:28
3111.06:305:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.9 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.93 kWh/m² in November across the year — May's 4.9 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Antsalova

In seasonPeak

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

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

Antsalova's monsoon runs December–March, 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 Antsalova?

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

6.3
Sightseeing
4th-best month of the year
8.8
Beach & pool
4th-best month of the year

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

What to pack for Antsalova in May

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

In May, Antsalova sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Antsalova in May

The nearest coast averages about 28°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 52 km away) is warmest in March at about 30°C and coldest in July near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb30Tropical
Mar30Tropical
Apr29Tropical
May28Warm
Jun26Warm
Jul25Warm
Aug25Warm
Sep26Warm
Oct27Warm
Nov29Tropical
Dec30Tropical

UV index in Antsalova in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Antsalova peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 10UV 15Jun 17UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun6High
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov12Extreme
Dec13Extreme

Air quality in Antsalova 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 Antsalova is worst in August — around 17 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (March, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2017 µg/m³Mar 245 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar5Good
Apr5Good
May10Good
Jun11Good
Jul14Moderate
Aug17Moderate
Sep16Moderate
Oct17Moderate
Nov11Good
Dec6Good
Location & terrain

Where is Antsalova?

Antsalova sits at 18.7°S, 44.6°E, 86 m above sea level, in Madagascar. The nearest listed city is Maintirano, 91 km away.

MaintiranoBelo sur TsiribihinaMiandrivazoTsiroanomandidyMorondavaFenoarivo BeSoavinandrianaMiandrarivo

Topography around Antsalova

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

Within 3 km, the terrain around Antsalova has only modest variations in elevation — a maximum elevation change of 159 m around an average of 118 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 379 m; within 80 km, large variations in elevation — a maximum elevation change of 983 m.

The land around Antsalova is covered by grassland (75%) and trees (24%) within 3 km, grassland (63%) and trees (36%) within 16 km, and grassland (60%) and trees (21%) within 80 km.

3 km
159 m
16 km
379 m
80 km
983 m
treesshrubsgrasslandartificial surfaceswatermangroves
May weather nearby: Maintirano 91 km · Belo sur Tsiribihina 115 km · Miandrivazo 130 km · Tsiroanomandidy 151 km · Morondava 183 km · Fenoarivo Be 207 km · Soavinandriana 229 km · Miandrarivo 240 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 Antsalova (-18.6667°, 44.6167°, elevation 86 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).