Fianarantsoa weather in January

In January, Fianarantsoa sees average daytime highs of 25°C and overnight lows near 18°C, with 287 mm of rain across 22.8 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 25°C through the month. The sky is clear or mostly clear about 9% of the time in January, and the air most often feels humid.

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 Fianarantsoa's 12th-clearest and 8th-windiest month. For the whole year in context, see Fianarantsoa's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
18°
12th coldest
Rainfall
287 mm
22.8 wet days
Daylight
13 h 12 min
5:26 AM – 6:36 PM
Cloud cover
77%
12th clearest
Wind
10 km/h
8th windiest
Solar energy
5.68 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 25°C through the month.

A typical January day in Fianarantsoa reaches about 25°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°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)
12517
22517
32517
42517
52517
62517
72517
82517
92517
102518
112518
122518
132518
142518
152518
162518
172518
182518
192518
202518
212518
222518
232518
242518
252618
262618
272618
282618
292618
302518
312518

Fianarantsoa 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
Jan25° / 18°28722.813.24.7
Feb25° / 18°21319.112.74.9
Mar25° / 17°14616.712.25.8
Apr24° / 15°4910.311.56.9
May22° / 13°245.4117.5
Jun20° / 11°123.110.77.5
Jul19° / 10°153.510.87.2
Aug20° / 10°92.711.37.8
Sep23° / 12°92.511.98.3
Oct25° / 14°437.412.57.6
Nov26° / 16°9512.6136.3
Dec26° / 17°20919.713.35.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22575
32476
42476
52377
62377
72278
82278
92278
102278
112278
122278
132377
142377
152377
162476
172476
182476
192377
202377
212377
222377
232377
242377
252377
262377
272377
282476
292476
302575
312575

Chance of precipitation in January

Any precipitation

Fianarantsoa gets around 287 mm of rain over 22.8 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 72% and peaks near 74% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
170
270
371
471
571
672
772
872
972
1072
1172
1271
1371
1471
1572
1672
1772
1872
1973
2073
2173
2274
2374
2474
2574
2674
2774
2874
2974
3073
3173

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
176726
276627
376627
476528
566628
666628
766628
866628
966529
1066529
1166529
1266430
1366430
1466331
1556332
1656233
1756134
1856035
1955936
2055837
2155738
2255639
2355540
2445541
2545541
2645442
2745442
2845442
2935542
3035542
3135641

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:16 AM to 5:35 AM, and sunset from 6:33 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:166:33
213.35:176:34
313.35:176:34
413.35:186:34
513.35:196:35
613.35:196:35
713.35:206:35
813.25:216:35
913.25:216:35
1013.25:226:36
1113.25:226:36
1213.25:236:36
1313.25:246:36
1413.25:246:36
1513.25:256:36
1613.25:266:36
1713.25:266:36
1813.25:276:36
1913.15:286:36
2013.15:286:36
2113.15:296:36
2213.15:306:36
2313.15:306:36
2413.15:316:36
2513.15:326:36
2613.15:326:36
2713.05:336:35
2813.05:346:35
2913.05:346:35
3013.05:356:35
3113.05:356:35

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.68 kWh/m².

For context, solar energy here swings from a low near 3.8 kWh/m² to a high of 6.69 kWh/m² in November across the year — January's 5.68 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for Fianarantsoa

In seasonPeak

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

Fianarantsoa'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 January a good time to visit Fianarantsoa?

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
4.4
Beach & pool
9th-best month of the year

January is a reasonable time to visit Fianarantsoa for sightseeing.

What to pack for Fianarantsoa in January

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

In January, Fianarantsoa sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Fianarantsoa 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 Fianarantsoa peaks around February 12 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 12UV 16Jun 18UV 6
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun6High
Jul7High
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec15Extreme

Air quality in Fianarantsoa 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 Fianarantsoa is worst in October — around 22 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (February, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1721 µg/m³Feb 116 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar7Good
Apr10Good
May15Moderate
Jun15Moderate
Jul15Moderate
Aug15Moderate
Sep14Moderate
Oct22Moderate
Nov16Moderate
Dec10Good
Location & terrain

Where is Fianarantsoa?

Fianarantsoa sits at 21.5°S, 47.1°E, 1,117 m above sea level, in Madagascar. The nearest listed city is Ambalavao, 45 km away.

AmboanjoAmbositraAmbatofinandrahanaIvohibe

Topography around Fianarantsoa

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

Within 3 km, the terrain around Fianarantsoa has significant variations in elevation — a maximum elevation change of 297 m around an average of 1,148 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 503 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,372 m.

The land around Fianarantsoa is covered by cropland (33%), grassland (25%) and artificial surfaces (23%) within 3 km, grassland (62%) and cropland (29%) within 16 km, and grassland (63%) within 80 km.

3 km
297 m
16 km
503 m
80 km
2,372 m
treesshrubsgrasslandcroplandartificial surfaces
January weather nearby: Ambalavao 45 km · Ifanadiana 59 km · Ikongo 60 km · Ikalamavony 62 km · Amboanjo 100 km · Ambositra 104 km · Ambatofinandrahana 104 km · Ivohibe 116 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 Fianarantsoa (-21.4527°, 47.0857°, elevation 1,117 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).