Tsaratanana weather in May

In May, Tsaratanana sees average daytime highs of 27°C and overnight lows near 17°C, with 15 mm of rain across 2.6 wet days and about 11.2 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 26°C by the end. The sky is clear or mostly clear about 55% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 24 min at the start of May to 11 h 06 min by month's end. Set against the rest of the year, May is Tsaratanana's 6th-clearest and 5th-windiest month. For the whole year in context, see Tsaratanana's year-round climate.

Daytime high
27°
9th warmest
Overnight low
17°
5th coldest
Rainfall
15 mm
2.6 wet days
Daylight
11 h 12 min
6:09 AM – 5:22 PM
Cloud cover
38%
6th clearest
Wind
12 km/h
5th windiest
Solar energy
4.81 kWh/m²
Travel score
8.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 26°C by the end.

A typical May day in Tsaratanana reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52817
62817
72817
82717
92717
102717
112717
122717
132717
142717
152717
162717
172717
182716
192716
202716
212716
222716
232716
242716
252616
262616
272616
282616
292616
302616
312615

Tsaratanana 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
Jan27° / 20°48226.512.93.8
Feb27° / 20°44524.412.63.8
Mar28° / 20°25119.912.14.6
Apr28° / 19°458.211.66.3
May27° / 17°152.611.28.0
Jun25° / 15°30.9118.8
Jul24° / 14°50.711.19.0
Aug25° / 14°20.511.48.9
Sep27° / 15°4111.98.3
Oct29° / 17°315.112.46.4
Nov30° / 19°12511.912.84.9
Dec29° / 20°29421.1134.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% 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 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38416
48515
58416
68416
78416
88416
98416
108317
118317
128218
138218
148218
158218
168317
178218
188218
198317
208317
218416
228515
238515
248614
258713
268713
278713
288911
298911
308911
319010

Chance of precipitation in May

Any precipitation

Tsaratanana gets around 15 mm of rain over 2.6 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 8% and peaks near 12% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
112
212
311
411
511
611
711
811
911
1010
1110
1210
1310
149
159
169
178
188
198
207
216
226
236
245
255
265
275
285
294
304
314

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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11256410
2126649
3127648
4129628
5130627
6131617
7133606
8234586
9236566
10238555
11340525
12342505
13444474
14546454
15548434
16651403
17752383
18853363
19854353
20956332
211056322
221057312
231159291
241160281
251260271
261359271
271459261
281559251
291659241
301759231
311960210

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 24 min at the start of May to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 6:05 AM to 6:14 AM, and sunset from 5:29 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:055:29
211.46:055:28
311.46:055:28
411.46:055:27
511.36:065:27
611.36:065:26
711.36:065:26
811.36:075:25
911.36:075:25
1011.36:075:24
1111.36:075:24
1211.36:085:24
1311.36:085:23
1411.26:085:23
1511.26:095:22
1611.26:095:22
1711.26:095:22
1811.26:105:22
1911.26:105:21
2011.26:115:21
2111.26:115:21
2211.26:115:21
2311.16:125:20
2411.16:125:20
2511.16:125:20
2611.16:135:20
2711.16:135:20
2811.16:135:19
2911.16:145:19
3011.16:145:19
3111.16:145:19

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.81 kWh/m².

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.89 kWh/m² in October across the year — May's 4.81 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.8Bright
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
274.7Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in May

Hazard calendar for Tsaratanana

In seasonPeak

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

Tsaratanana'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 Tsaratanana?

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

8.0
Sightseeing
5th-best month of the year
8.1
Beach & pool
3rd-best month of the year

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

What to pack for Tsaratanana in May

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

In May, Tsaratanana sees daytime highs around 27°C and nights near 17°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Tsaratanana in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tsaratanana peaks around February 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 10UV 16Jun 19UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Tsaratanana 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 Tsaratanana is worst in November — around 19 µg/m³ PM2.5 (moderate), about 4.6× the cleanest month (April, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1418 µg/m³Apr 134 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb5Good
Mar5Good
Apr4Good
May5Good
Jun6Good
Jul8Good
Aug8Good
Sep8Good
Oct13Moderate
Nov19Moderate
Dec9Good
Location & terrain

Where is Tsaratanana?

Tsaratanana sits at 16.8°S, 47.7°E, 349 m above sea level, in Madagascar. The nearest listed city is Mampikony, 78 km away.

MaevatananaAndilamenaAmbato BoenyAmparafaravolaImerimandrosoMarovoayBoriziny

Topography around Tsaratanana

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

Within 3 km, the terrain around Tsaratanana has only modest variations in elevation — a maximum elevation change of 100 m around an average of 353 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 914 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,394 m.

The land around Tsaratanana is covered by grassland (69%) and cropland (21%) within 3 km, grassland (85%) within 16 km, and grassland (93%) within 80 km.

3 km
100 m
16 km
914 m
80 km
1,394 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Mampikony 78 km · Maevatanana 89 km · Andilamena 101 km · Ambato Boeny 106 km · Amparafaravola 107 km · Imerimandroso 122 km · Marovoay 132 km · Boriziny 139 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 Tsaratanana (-16.7971°, 47.6516°, elevation 349 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).