Mahanoro weather in January

In January, Mahanoro sees average daytime highs of 29°C and overnight lows near 24°C, with 315 mm of rain across 24.6 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 18% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of January to 12 h 54 min by month's end. Set against the rest of the year, January is Mahanoro's 12th-clearest and 3rd-windiest month. For the whole year in context, see Mahanoro's year-round climate.

Daytime high
29°
1st warmest
Overnight low
24°
11th coldest
Rainfall
315 mm
24.6 wet days
Daylight
13 h 06 min
5:22 AM – 6:27 PM
Cloud cover
72%
12th clearest
Wind
11 km/h
3rd windiest
Solar energy
5.97 kWh/m²
Travel score
3.7
out of 10

Mahanoro is place in Atsinanana, Madagascar.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Mahanoro reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How January really feels in Mahanoro

Once humidity and wind are folded in, January averages 26 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
26
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Mahanoro weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°31524.613.13.7
Feb29° / 24°30923.312.73.6
Mar28° / 24°31925.112.14.0
Apr27° / 23°17520.511.65.0
May25° / 21°20019.811.15.5
Jun24° / 20°12117.810.85.9
Jul23° / 19°12319.310.95.6
Aug23° / 19°751511.36.5
Sep24° / 19°591211.97.0
Oct26° / 21°7912.212.56.6
Nov27° / 23°9112.212.96.2
Dec28° / 24°19018.713.24.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33466
43466
53268
63268
73268
83169
93169
103169
113268
123268
133367
143367
153367
163367
173268
183367
193367
203367
213367
223367
233367
243367
253268
263367
273367
283466
293565
303664
313664

Chance of precipitation in January

Any precipitation

Mahanoro gets around 315 mm of rain over 24.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 79% and peaks near 80% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
175
276
377
478
578
679
779
879
980
1079
1179
1279
1379
1479
1579
1679
1779
1879
1979
2079
2179
2279
2378
2479
2579
2679
2779
2879
2979
3080
3180

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
137819
227820
327820
427721
527721
627622
727622
827622
927523
1037423
1137423
1237324
1337324
1437324
1537324
1637225
1737225
1837126
1937126
2037027
2136928
2236829
2336730
2436730
2536631
2626731
2726632
2826632
2926632
3026632
3126632

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 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
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 12 min at the start of January to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 5:12 AM to 5:31 AM, and sunset from 6:23 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:126:23
213.25:136:24
313.25:146:24
413.25:146:24
513.25:156:25
613.25:156:25
713.25:166:25
813.15:176:25
913.15:176:26
1013.15:186:26
1113.15:186:26
1213.15:196:26
1313.15:206:26
1413.15:206:26
1513.15:216:26
1613.15:226:27
1713.15:226:27
1813.15:236:27
1913.15:246:27
2013.05:246:27
2113.05:256:27
2213.05:256:27
2313.05:266:27
2413.05:276:26
2513.05:276:26
2613.05:286:26
2713.05:296:26
2812.95:296:26
2912.95:306:26
3012.95:306:26
3112.95:316:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.97 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 6.65 kWh/m² in November across the year — January's 5.97 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in January

Hazard calendar for Mahanoro

In seasonPeak

In January, Mahanoro sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.

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

Mahanoro's rainy season runs December–May, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Mahanoro?

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

3.7
Sightseeing
11th-best month of the year
4.7
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Mahanoro.

What to pack for Mahanoro in January

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

In January, Mahanoro sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Mahanoro in January

The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 29°C and coldest in August near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar28Tropical
Apr28Warm
May27Warm
Jun26Warm
Jul25Warm
Aug24Warm
Sep24Warm
Oct25Warm
Nov26Warm
Dec28Warm

UV index in Mahanoro in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mahanoro peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 13UV 16Jun 18UV 6
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun6High
Jul7High
Aug8Very high
Sep10Extreme
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Mahanoro in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mahanoro is worst in October — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 2023 µg/m³Mar 116 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar6Good
Apr6Good
May8Good
Jun8Good
Jul7Good
Aug8Good
Sep8Good
Oct24Moderate
Nov18Moderate
Dec8Good
Location & terrain

Where is Mahanoro?

Mahanoro sits at 19.9°S, 48.8°E, 3 m above sea level, in Madagascar. The nearest listed city is Vatomandry, 66 km away.

SahavatoMoramangaAmpasimanolotraManjakandrianaFandriana

Topography around Mahanoro

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

Within 3 km, the terrain around Mahanoro has only modest variations in elevation — a maximum elevation change of 42 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 236 m; within 80 km, large variations in elevation — a maximum elevation change of 1,147 m.

The land around Mahanoro is covered by shrubs (28%), trees (27%) and water (23%) within 3 km, water (50%) and trees (32%) within 16 km, and water (35%) and trees (34%) within 80 km.

3 km
42 m
16 km
236 m
80 km
1,147 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Vatomandry 66 km · Marolambo 73 km · Nosy Varika 81 km · Sahavato 92 km · Moramanga 121 km · Ampasimanolotra 124 km · Manjakandriana 152 km · Fandriana 153 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 Mahanoro (-19.9°, 48.8°, elevation 3 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).