Antananarivo weather in October

In October, Antananarivo sees average daytime highs of 25°C and overnight lows near 13°C, with 27 mm of rain across 4.8 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 45% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 42 min by month's end. Set against the rest of the year, October is Antananarivo's 2nd-clearest and 5th-windiest month. For the whole year in context, see Antananarivo's year-round climate.

Daytime high
25°
4th warmest
Overnight low
13°
6th coldest
Rainfall
27 mm
4.8 wet days
Daylight
12 h 24 min
5:22 AM – 5:48 PM
Cloud cover
43%
2nd clearest
Wind
11 km/h
5th windiest
Solar energy
6.61 kWh/m²
Travel score
7.9
out of 10

Antananarivo is capital and largest city of Madagascar.

Air quality
High
PM2.5 32 µg/m³ · 2020
Founded
1625

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical October day in Antananarivo reaches about 25°C in the afternoon and slips back to 13°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, October runs about 2°C warmer than September and about 1°C cooler than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12512
22512
32512
42512
52512
62513
72513
82513
92513
102513
112513
122513
132513
142513
152513
162513
172513
182614
192614
202614
212614
222614
232614
242614
252614
262614
272614
282614
292614
302614
312615

Antananarivo weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 17°28722.1134.7
Feb25° / 17°2482012.64.8
Mar25° / 17°14315.412.15.8
Apr24° / 15°32711.67.5
May23° / 13°122.411.18.1
Jun20° / 11°40.710.97.8
Jul19° / 10°51117.6
Aug21° / 10°30.711.48.1
Sep23° / 11°51.111.98.6
Oct25° / 13°274.812.47.9
Nov27° / 15°7910.312.96.6
Dec26° / 17°18117.513.15.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 24% of October, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37723
47624
57624
67624
77525
87525
97426
107327
117327
127228
137129
147129
157030
167030
177030
186832
196733
206733
216634
226535
236436
246337
256238
266238
276238
286139
296139
306040
316040

Chance of precipitation in October

Any precipitation

Antananarivo gets around 27 mm of rain over 4.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 23% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
18
28
39
49
510
610
711
811
912
1012
1113
1213
1313
1414
1514
1615
1715
1816
1917
2017
2118
2218
2319
2420
2520
2621
2721
2822
2922
3022
3123

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
185141
284151
383161
482171
581181
679192
778202
877212
976222
1076222
1175232
1273243
1372253
1471263
1570273
1668293
1767303
1865314
1963334
2062344
2160364
2258375
2356395
2455405
2553416
2651436
2750446
2848456
2947467
3046477
3145487

Wind in October

Winds average 11 km/h in October.

Across October, 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
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over October. Sunrise moves from 5:34 AM to 5:13 AM, and sunset from 5:44 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:345:44
212.25:335:44
312.25:325:44
412.25:315:45
512.25:305:45
612.35:295:45
712.35:295:45
812.35:285:46
912.35:275:46
1012.35:265:46
1112.45:255:46
1212.45:255:47
1312.45:245:47
1412.45:235:47
1512.45:225:48
1612.45:225:48
1712.55:215:48
1812.55:205:49
1912.55:205:49
2012.55:195:49
2112.55:185:50
2212.55:185:50
2312.65:175:51
2412.65:175:51
2512.65:165:51
2612.65:155:52
2712.65:155:52
2812.65:145:53
2912.75:145:53
3012.75:135:54
3112.75:135:54

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.61 kWh/m².

For context, solar energy here swings from a low near 3.8 kWh/m² to a high of 6.7 kWh/m² in November across the year — October's 6.61 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in October

Hazard calendar for Antananarivo

In seasonPeak

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

Antananarivo'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 October a good time to visit Antananarivo?

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

7.9
Sightseeing
4th-best month of the year
7.3
Beach & pool
1st-best month of the year

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

What to pack for Antananarivo in October

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

In October, Antananarivo sees daytime highs around 25°C and nights near 13°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.

sun protectionlight clothes

UV index in Antananarivo in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Antananarivo peaks around February 11 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 11UV 16Jun 17UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Antananarivo in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Antananarivo is worst in October — around 49 µg/m³ PM2.5 (poor), about 3.7× the cleanest month (January, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Antananarivo's WHO annual average of 32 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorPoorModerateOct 1747 µg/m³Jan 1514 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb18Moderate
Mar23Moderate
Apr30Moderate
May43Poor
Jun45Poor
Jul43Poor
Aug38Poor
Sep31Moderate
Oct49Poor
Nov34Moderate
Dec17Moderate
Location & terrain

Where is Antananarivo?

Antananarivo sits at 18.9°S, 47.5°E, 1,274 m above sea level, in Madagascar. The nearest listed city is Ivato, 14 km away.

Topography around Antananarivo

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

Within 3 km, the terrain around Antananarivo has only modest variations in elevation — a maximum elevation change of 181 m around an average of 1,278 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 366 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,018 m.

The land around Antananarivo is covered by artificial surfaces (76%) within 3 km, cropland (47%) and grassland (32%) within 16 km, and grassland (62%) and cropland (21%) within 80 km.

3 km
181 m
16 km
366 m
80 km
2,018 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Ivato 14 km · Ambohidratrimo 15 km · Alarobia 22 km · Imerintsiatosika 24 km · Manjakandriana 28 km · Ambohitrolomahitsy 28 km · Ankazondandy 35 km · Sadabe 36 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 Antananarivo (-18.9137°, 47.5361°, elevation 1,274 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).