Ihosy weather in January

In January, Ihosy sees average daytime highs of 28°C and overnight lows near 19°C, with 225 mm of rain across 18.3 wet days and about 13.2 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 17% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Ihosy's 12th-clearest and 9th-windiest month. For the whole year in context, see Ihosy's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
19°
12th coldest
Rainfall
225 mm
18.3 wet days
Daylight
13 h 12 min
5:28 AM – 6:42 PM
Cloud cover
69%
12th clearest
Wind
11 km/h
9th windiest
Solar energy
6.06 kWh/m²
Travel score
4.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Ihosy reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102819
112819
122819
132819
142819
152819
162819
172819
182819
192819
202819
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

Ihosy 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
Jan28° / 19°22518.313.24.7
Feb28° / 19°14514.712.85.3
Mar28° / 19°8911.912.26.1
Apr27° / 17°345.811.57.4
May25° / 15°122.510.98.5
Jun23° / 13°51.110.78.7
Jul22° / 12°71.210.88.5
Aug24° / 12°30.711.29.1
Sep26° / 14°51.311.98.7
Oct28° / 16°345.212.57.1
Nov29° / 18°76913.15.7
Dec29° / 19°17316.413.34.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24060
34060
44060
53961
63862
73862
83763
93763
103763
113763
123763
133862
143862
153763
163763
173565
183565
193565
203565
213466
223466
233466
243466
253565
263565
273763
283763
293763
303961
313961

Chance of precipitation in January

Any precipitation

Ihosy gets around 225 mm of rain over 18.3 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 58% and peaks near 60% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
157
257
357
457
557
657
757
857
957
1057
1157
1257
1358
1458
1558
1659
1759
1859
1960
2060
2160
2260
2360
2460
2559
2659
2758
2857
2957
3056
3156

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1227701
2227701
3226711
4225721
5225721
6224731
7224731
8224731
9224731
10224731
11224731
12224722
13224722
14224722
15223732
16223732
17223732
18122752
19122752
20121762
21121753
22120763
23120763
24119773
25119773
26119773
27119764
28119764
29119764
30119764
31219754

Wind in January

Winds average 11 km/h in January.

Across January, 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
110calm
210calm
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 18 min at the start of January to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 5:18 AM to 5:38 AM, and sunset from 6:39 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:186:39
213.35:196:39
313.35:196:40
413.35:206:40
513.35:216:40
613.35:216:41
713.35:226:41
813.35:226:41
913.35:236:41
1013.35:246:41
1113.35:246:41
1213.35:256:42
1313.35:266:42
1413.35:266:42
1513.25:276:42
1613.25:286:42
1713.25:286:42
1813.25:296:42
1913.25:306:42
2013.25:306:42
2113.25:316:42
2213.25:326:42
2313.15:336:41
2413.15:336:41
2513.15:346:41
2613.15:356:41
2713.15:356:41
2813.15:366:41
2913.15:376:40
3013.05:376:40
3113.05:386:40

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.06 kWh/m².

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 7.02 kWh/m² in November across the year — January's 6.06 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in January

Hazard calendar for Ihosy

In seasonPeak

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

Ihosy's monsoon runs December–February, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Ihosy?

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

4.7
Sightseeing
12th-best month of the year
5.6
Beach & pool
12th-best month of the year

January is a reasonable time to visit Ihosy for sightseeing.

What to pack for Ihosy in January

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

In January, Ihosy sees daytime highs around 28°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Ihosy in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ihosy peaks around February 12 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 12UV 16Jun 19UV 6
UV index (midday)Level
Jan15Extreme
Feb17Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul7High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec15Extreme

Air quality in Ihosy 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 Ihosy is worst in October — around 18 µg/m³ PM2.5 (moderate), about 5.6× the cleanest month (January, 3 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1518 µg/m³Mar 123 µg/m³
PM2.5 (µg/m³)Level
Jan3Good
Feb3Good
Mar3Good
Apr4Good
May7Good
Jun6Good
Jul8Good
Aug12Good
Sep15Moderate
Oct18Moderate
Nov14Moderate
Dec5Good
Location & terrain

Where is Ihosy?

Ihosy sits at 22.4°S, 46.1°E, 733 m above sea level, in Madagascar. The nearest listed city is Ivohibe, 78 km away.

BetrokaAmbalavaoVondrozoBerorohaFianarantsoaIkongoIkalamavony

Topography around Ihosy

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

Within 3 km, the terrain around Ihosy has significant variations in elevation — a maximum elevation change of 357 m around an average of 763 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 591 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,163 m.

The land around Ihosy is covered by grassland (66%) and cropland (23%) within 3 km, grassland (85%) within 16 km, and grassland (94%) within 80 km.

3 km
357 m
16 km
591 m
80 km
2,163 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Ivohibe 78 km · Betroka 96 km · Ambalavao 105 km · Vondrozo 127 km · Beroroha 128 km · Fianarantsoa 145 km · Ikongo 147 km · Ikalamavony 147 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 Ihosy (-22.4029°, 46.1258°, elevation 733 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).