Climate and average weather in Tsiroanomandidy

In Tsiroanomandidy, the weather is hot, wet, and mostly clear and remarkably steady, with daytime highs holding near hot levels all year. The wettest stretch peaks around January.

Best: late April to mid September

Over the course of the year, the temperature in Tsiroanomandidy typically varies from 13°C to 30°C, and is rarely below 10°C or above 33°C. October is the hottest month of the year, while July is the coldest.

Based on the travel score, the best time of year to visit Tsiroanomandidy for warm-weather activities is from late April to mid September.

Hottest
Oct
30°
Coldest
Jul
13°
Wettest
Jan
360 mm
Driest
Aug
2 mm
Rain / yr
1396 mm
130 wet days
Daylight
10.9–13.1 h
shortest–longest
Elevation
862 m
18.8°S
Clearest
Jun
23% cloud

Tsiroanomandidy is city in Madagascar.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Tsiroanomandidy weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around late April to mid September.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Tsiroanomandidy, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

Temperatures in Tsiroanomandidy stay fairly even through the year, without a distinct hot or cool season. The warmest month is October, with an average high of 30°C and low of 18°C; the coolest is July, with an average low of 13°C and high of 25°C.

Days typically run about 11°C warmer than nights, with the widest day–night swing (around 13°C) in September.

10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan2820
Feb2820
Mar2919
Apr2818
May2715
Jun2613
Jul2513
Aug2714
Sep2916
Oct3018
Nov3019
Dec2920

Average hourly temperature in Tsiroanomandidy

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on October afternoons, near 30°C, and coldest before dawn in July, near 13°C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Tsiroanomandidy weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°36026.2133.6
Feb28° / 20°29122.812.63.7
Mar29° / 19°18619.712.14.4
Apr28° / 18°508.811.66.3
May27° / 15°81.811.18.3
Jun26° / 13°30.410.99.0
Jul25° / 13°30.8119.0
Aug27° / 14°20.511.48.7
Sep29° / 16°91.511.97.2
Oct30° / 18°618.612.45.4
Nov30° / 19°14915.812.94.5
Dec29° / 20°27523.513.13.8

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Tsiroanomandidy gets about 1396 mm of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 5.5 months, from around Oct 24 to Apr 8, peaking in January at about 86% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jun 29.

January is the wettest month by volume, with 360 mm over about 26 wet days; August is the driest, with 2 mm.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetJan 22 · 86%Jun 29 · 1%
Rain on a day (%)Rain days
Jan8426
Feb8123
Mar6320
Apr299
May72
Jun20
Jul21
Aug21
Sep62
Oct279
Nov5316
Dec7624

Monthly rainfall

Over a full year, Tsiroanomandidy collects about 1396 mm of rain across 130 wet days — roughly 116 mm in an average month.

It doesn’t fall evenly. January is the wettest month with 360 mm, while August is the driest at just 2 mm. The three wettest months alone bring about 66% of the year’s total.

050100150200250300350400JanFebMarAprMayJunJulAugSepOctNovDec360291186508332961149275
Rainfall (mm)Rain days
Jan36026
Feb29123
Mar18620
Apr509
May82
Jun30
Jul31
Aug21
Sep92
Oct619
Nov14916
Dec27524

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Tsiroanomandidy, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around April 5 and lasts for 7.3 months, ending around November 11. The clearest month is June, when the sky is clear, mostly clear, or partly cloudy 95% of the time on average.

The cloudier part of the year begins around November 12 and lasts for 4.7 months, ending around April 4. The cloudiest month is January, when it is overcast or mostly cloudy 78% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecJun 7 · 95%Jan 24 · 21%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan2278
Feb2674
Mar4951
Apr8020
May9010
Jun955
Jul937
Aug937
Sep928
Oct8614
Nov6436
Dec3466

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around January 1, brings about 13 h 06 min of light; the shortest, around June 2, only 10 h 54 min — a swing of roughly 2 h 12 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan13.05:356:36
Feb12.65:516:29
Mar12.16:026:09
Apr11.66:095:43
May11.16:195:26
Jun10.96:305:22
Jul11.06:325:31
Aug11.46:195:41
Sep11.95:535:47
Oct12.45:285:54
Nov12.95:146:08
Dec13.15:186:26

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Tsiroanomandidy averages about 15 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 3 and 25 days.

The sunnier stretch runs 6.6 months, from around Apr 8 to Oct 24. The sunniest month is June, with roughly 24 sunny days (brilliant).

The greyest month is January, down near 3 sunny days — about 89% fewer than the June peak.

051015202530JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightbrilliantJun 2625 daysJan 143 days
Sunny daysSky
Jan3Gloomy
Feb3Gloomy
Mar8Gloomy
Apr18Bright
May23Bright
Jun24Brilliant
Jul24Brilliant
Aug22Bright
Sep21Bright
Oct17Bright
Nov10Mixed
Dec4Gloomy

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In Tsiroanomandidy, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 6.2 months, from around October 27 to May 4. The muggiest month is January, when the air feels humid, muggy or worse about 100% of the time.

The most comfortable stretch runs from around May 5 to October 26, and July is the most comfortable month — the air is dry or comfortable 100% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJul 5 · 100%Jan 6 · 0%oppressivecomfortablemuggyhumiddryhumidcomfortablehumid
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan008857
Feb008839
Mar0120745
Apr21448360
May23462830
Jun7622200
Jul955000
Aug946000
Sep7917400
Oct32352860
Nov51838390
Dec0318762

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Wind in Tsiroanomandidy is steady company: average speeds sit near 7 km/hcalm — in every month of the year, with no meaningful windy or calm season.

051015JanFebMarAprMayJunJulAugSepOctNovDeccalmlight breezeJul 29 · 9 km/hDec 17 · 6 km/h
Wind speed (km/h)Feels
Jan7calm
Feb7calm
Mar6calm
Apr6calm
May7calm
Jun8calm
Jul9calm
Aug9calm
Sep8calm
Oct7calm
Nov7calm
Dec6calm

Hazard calendar for Tsiroanomandidy

In seasonPeak

When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.

Tsiroanomandidy'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

Best time to visit Tsiroanomandidy

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Tsiroanomandidy throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around early September, Tsiroanomandidy is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Tsiroanomandidy for general outdoor tourist activities is from late April to mid September, with a peak score in the last week of June.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJun 29 · 9.1

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan3.6fair
Feb3.7fair
Mar4.4fair
Apr6.3good
May8.2ideal
Jun9.0ideal
Jul9.0ideal
Aug8.6ideal
Sep7.2good
Oct5.5fair
Nov4.5fair
Dec3.8fair

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Tsiroanomandidy for hot-weather activities is from mid April to late October, with a peak score in the second week of September.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationSep 12 · 9.0

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Tsiroanomandidy, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

Tsiroanomandidy packs about the same all year — highs hold near 30°C. Across the year the things worth having are light clothes, rain gear and sun protection.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In October, Tsiroanomandidy sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

UV index (midday) in Tsiroanomandidy by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in Tsiroanomandidy peaks around February 10 at about 16 (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 10UV 16Jun 17UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Average hourly UV index in Tsiroanomandidy

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in February the burn window is concentrated in the middle of the day: about 8.5 hours a day reach index 3 (protection recommended), and 7 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan97
Feb8.57
Mar86.5
Apr7.55.5
May6.54
Jun62.5
Jul6.54
Aug74.5
Sep7.55.5
Oct86
Nov8.56.5
Dec8.57

Air quality in Tsiroanomandidy by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly average.

Air quality in Tsiroanomandidy is worst in August — around 28 µg/m³ PM2.5 (moderate), about 6.3× the cleanest month (January, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1028 µg/m³Jan 144 µg/m³
PM2.5 (µg/m³)Level
Jan4Good
Feb6Good
Mar6Good
Apr7Good
May16Moderate
Jun22Moderate
Jul27Moderate
Aug28Moderate
Sep19Moderate
Oct17Moderate
Nov9Good
Dec5Good
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

Tsiroanomandidy is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecfrost-free year round
Frost-free chance (%)Frost nights
Jan1000
Feb1000
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Tsiroanomandidy banks about 4,561 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around November.

01,0002,0003,0004,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan439
Feb395
Mar435
Apr393
May347
Jun282
Jul279
Aug315
Sep368
Oct433
Nov433
Dec444

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Tsiroanomandidy receives about 5.8 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 4.6 and 7.0 kWh/m².

The brighter stretch of the year lasts 4.5 months, from around Aug 27 to Jan 9. The brightest month is November, averaging about 6.9 kWh/m² (intense).

The dimmest month is June, down near 4.6 kWh/m² — roughly 33% less than the November peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmoderatebrightintenseNov 87.0 kWhJun 184.6 kWh
Solar energy (kWh/m²)Level
Jan5.7Bright
Feb5.7Bright
Mar5.9Bright
Apr5.6Bright
May4.9Bright
Jun4.6Bright
Jul4.8Bright
Aug5.5Bright
Sep6.4Intense
Oct6.9Intense
Nov7.0Intense
Dec6.5Intense

Where is Tsiroanomandidy?

Tsiroanomandidy sits at 18.8°S, 46.0°E, 862 m above sea level, in Madagascar. The nearest listed city is Fenoarivo Be, 66 km away.

SoavinandrianaMiandrarivoMiandrivazoFaratsihoArivonimamoAnkazobeImerintsiatosika

Topography around Tsiroanomandidy

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

Within 3 km, the terrain around Tsiroanomandidy has only modest variations in elevation — a maximum elevation change of 147 m around an average of 826 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 705 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,559 m.

The land around Tsiroanomandidy is covered by grassland (53%) and cropland (33%) within 3 km, grassland (70%) and cropland (28%) within 16 km, and grassland (85%) within 80 km.

3 km
147 m
16 km
705 m
80 km
1,559 m
treesshrubsgrasslandcroplandartificial surfaces
Nearby: Fenoarivo Be 66 km · Soavinandriana 85 km · Miandrarivo 104 km · Miandrivazo 105 km · Faratsiho 118 km · Arivonimamo 123 km · Ankazobe 124 km · Imerintsiatosika 136 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 Tsiroanomandidy (-18.7697°, 46.0465°, elevation 862 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).