Imerimandroso weather in January

In January, Imerimandroso sees average daytime highs of 27°C and overnight lows near 20°C, with 288 mm of rain across 23.9 wet days and about 12.9 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 5% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 hours at the start of January to 12 h 48 min by month's end. Set against the rest of the year, January is Imerimandroso's 12th-clearest and 11th-windiest month. For the whole year in context, see Imerimandroso's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
20°
12th coldest
Rainfall
288 mm
23.9 wet days
Daylight
12 h 54 min
5:27 AM – 6:23 PM
Cloud cover
82%
12th clearest
Wind
9 km/h
11th windiest
Solar energy
5.22 kWh/m²
Travel score
4.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical January day in Imerimandroso reaches about 27°C in the afternoon and slips back to 20°C overnight — a 8°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, January runs on par with December and on par with February.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162719
172720
182720
192720
202720
212720
222720
232720
242720
252720
262720
272720
282720
292720
302720
312720

Imerimandroso weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°28823.912.94.2
Feb27° / 20°25022.212.64.2
Mar27° / 19°16719.212.15.0
Apr26° / 18°449.911.66.6
May24° / 16°235.911.27.6
Jun22° / 14°123.3117.5
Jul21° / 13°143.411.17.3
Aug22° / 13°102.811.47.6
Sep23° / 14°82.211.98.2
Oct26° / 16°184.512.47.7
Nov28° / 17°488.712.86.6
Dec28° / 19°16517.3135.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
21981
31882
41783
51783
61783
71684
81684
91684
101684
111684
121684
131684
141684
151684
161783
171783
181783
191783
201882
211882
221882
231981
241981
251981
261981
272080
281981
291981
301981
311981

Chance of precipitation in January

Any precipitation

Imerimandroso gets around 288 mm of rain over 23.9 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 77% and peaks near 82% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
372
472
572
673
773
873
973
1073
1174
1274
1374
1475
1575
1676
1777
1877
1978
2079
2179
2280
2380
2481
2581
2681
2782
2882
2982
3082
3182

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1129700
2128710
3128710
4127720
5126730
6126730
7125740
8125740
9125740
10125740
11124741
12024751
13024751
14023761
15023761
16022771
17021781
18020791
19019801
20018811
21018811
22017821
23016831
24016831
25015841
26015841
27014851
28014851
29014851
30013861
31013861

Wind in January

Winds average 9 km/h in January.

Across January, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 hours at the start of January to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 5:18 AM to 5:35 AM, and sunset from 6:20 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:186:20
213.05:196:20
313.05:196:20
413.05:206:21
513.05:206:21
613.05:216:21
713.05:216:21
813.05:226:22
913.05:236:22
1013.05:236:22
1113.05:246:22
1213.05:246:23
1313.05:256:23
1413.05:266:23
1512.95:266:23
1612.95:276:23
1712.95:276:23
1812.95:286:23
1912.95:296:23
2012.95:296:23
2112.95:306:23
2212.95:306:23
2312.95:316:23
2412.95:326:23
2512.95:326:23
2612.85:336:23
2712.85:336:23
2812.85:346:23
2912.85:346:23
3012.85:356:23
3112.85:356:23

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.22 kWh/m².

For context, solar energy here swings from a low near 3.29 kWh/m² to a high of 6.32 kWh/m² in November across the year — January's 5.22 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in January

Hazard calendar for Imerimandroso

In seasonPeak

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

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

Imerimandroso'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 January a good time to visit Imerimandroso?

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

4.2
Sightseeing
11th-best month of the year
4.4
Beach & pool
11th-best month of the year

January is a reasonable time to visit Imerimandroso for sightseeing.

What to pack for Imerimandroso in January

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

In January, Imerimandroso sees daytime highs around 27°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Imerimandroso in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Imerimandroso peaks around February 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 18UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Imerimandroso 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 Imerimandroso is worst in November — around 43 µg/m³ PM2.5 (poor), about 7.4× the cleanest month (January, 6 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1440 µg/m³Jan 246 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May8Good
Jun7Good
Jul7Good
Aug7Good
Sep8Good
Oct22Moderate
Nov43Poor
Dec10Good
Location & terrain

Where is Imerimandroso?

Imerimandroso sits at 17.4°S, 48.6°E, 755 m above sea level, in Madagascar. The nearest listed city is Amparafaravola, 42 km away.

Fenoarivo Atsinanana

Topography around Imerimandroso

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

Within 3 km, the terrain around Imerimandroso has only modest variations in elevation — a maximum elevation change of 138 m around an average of 769 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 703 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,522 m.

The land around Imerimandroso is covered by water (36%), cropland (34%) and grassland (24%) within 3 km, grassland (41%) and cropland (34%) within 16 km, and grassland (51%) and trees (32%) within 80 km.

3 km
138 m
16 km
703 m
80 km
1,522 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Amparafaravola 42 km · Andilamena 47 km · Ambatondrazaka 48 km · Vohibinany 49 km · Ambodimanga II 65 km · Vavatenina 66 km · Didy 76 km · Fenoarivo Atsinanana 88 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 Imerimandroso (-17.4333°, 48.5833°, elevation 755 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). 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).