Tsaratanana weather in January

In January, Tsaratanana sees average daytime highs of 27°C and overnight lows near 20°C, with 482 mm of rain across 26.5 wet days and about 12.9 hours of daylight. It is the 6th-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 3% 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 Tsaratanana's 12th-clearest and 11th-windiest month. For the whole year in context, see Tsaratanana's year-round climate.

Daytime high
27°
6th warmest
Overnight low
20°
12th coldest
Rainfall
482 mm
26.5 wet days
Daylight
12 h 54 min
5:32 AM – 6:26 PM
Cloud cover
85%
12th clearest
Wind
7 km/h
11th windiest
Solar energy
5.11 kWh/m²
Travel score
3.8
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 Tsaratanana 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 24°C and 30°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192720
202720
212720
222720
232720
242720
252720
262720
272720
282720
292720
302720
312720

Tsaratanana weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°48226.512.93.8
Feb27° / 20°44524.412.63.8
Mar28° / 20°25119.912.14.6
Apr28° / 19°458.211.66.3
May27° / 17°152.611.28.0
Jun25° / 15°30.9118.8
Jul24° / 14°50.711.19.0
Aug25° / 14°20.511.48.9
Sep27° / 15°4111.98.3
Oct29° / 17°315.112.46.4
Nov30° / 19°12511.912.84.9
Dec29° / 20°29421.1134.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31585
41585
51486
61486
71486
81486
91585
101585
111585
121585
131585
141585
151585
161585
171585
181585
191585
201585
211585
221585
231486
241486
251387
261387
271387
281486
291486
301486
311585

Chance of precipitation in January

Any precipitation

Tsaratanana gets around 482 mm of rain over 26.5 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 85% and peaks near 89% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
181
281
382
482
583
683
783
883
983
1083
1183
1283
1383
1483
1584
1684
1784
1885
1985
2086
2186
2287
2388
2488
2588
2689
2789
2889
2989
3089
3189

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 79% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1221716
2220726
3119746
4119746
5118756
6118765
7118765
8117775
9117775
10117775
11117775
12116785
13116785
14116776
15115786
16115786
17114796
18014797
19013807
20012817
21012808
22011818
23010828
24010828
2509838
2609838
2708848
2808848
2908848
3008848
3108848

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:23 AM to 5:40 AM, and sunset from 6:22 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:236:22
213.05:246:22
313.05:246:23
413.05:256:23
513.05:256:23
613.05:266:24
713.05:266:24
813.05:276:24
912.95:286:24
1012.95:286:25
1112.95:296:25
1212.95:296:25
1312.95:306:25
1412.95:306:25
1512.95:316:26
1612.95:326:26
1712.95:326:26
1812.95:336:26
1912.95:336:26
2012.95:346:26
2112.95:356:26
2212.85:356:26
2312.85:366:26
2412.85:366:26
2512.85:376:26
2612.85:376:26
2712.85:386:26
2812.85:386:26
2912.85:396:26
3012.85:406:26
3112.85:406:25

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.11 kWh/m².

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 6.89 kWh/m² in October across the year — January's 5.11 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in January

Hazard calendar for Tsaratanana

In seasonPeak

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

Tsaratanana'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 Tsaratanana?

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

3.8
Sightseeing
11th-best month of the year
4.1
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Tsaratanana.

What to pack for Tsaratanana in January

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

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

light clothesrain gearsun protection

UV index in Tsaratanana 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 Tsaratanana peaks around February 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 19UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Tsaratanana 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 Tsaratanana is worst in November — around 19 µg/m³ PM2.5 (moderate), about 4.6× the cleanest month (April, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1418 µg/m³Apr 134 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb5Good
Mar5Good
Apr4Good
May5Good
Jun6Good
Jul8Good
Aug8Good
Sep8Good
Oct13Moderate
Nov19Moderate
Dec9Good
Location & terrain

Where is Tsaratanana?

Tsaratanana sits at 16.8°S, 47.7°E, 349 m above sea level, in Madagascar. The nearest listed city is Mampikony, 78 km away.

MaevatananaAndilamenaAmbato BoenyAmparafaravolaImerimandrosoMarovoayBoriziny

Topography around Tsaratanana

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

Within 3 km, the terrain around Tsaratanana has only modest variations in elevation — a maximum elevation change of 100 m around an average of 353 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 914 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,394 m.

The land around Tsaratanana is covered by grassland (69%) and cropland (21%) within 3 km, grassland (85%) within 16 km, and grassland (93%) within 80 km.

3 km
100 m
16 km
914 m
80 km
1,394 m
treesshrubsgrasslandcroplandartificial surfaceswater
January weather nearby: Mampikony 78 km · Maevatanana 89 km · Andilamena 101 km · Ambato Boeny 106 km · Amparafaravola 107 km · Imerimandroso 122 km · Marovoay 132 km · Boriziny 139 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 Tsaratanana (-16.7971°, 47.6516°, elevation 349 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).