Tsiroanomandidy weather in December

In December, Tsiroanomandidy sees average daytime highs of 29°C and overnight lows near 20°C, with 275 mm of rain across 23.5 wet days and about 13.1 hours of daylight. It is the 3rd-warmest and 3rd-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 14% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 hours at the start of December to 13 h 06 min by month's end. Set against the rest of the year, December is Tsiroanomandidy's 10th-clearest and 12th-windiest month. For the whole year in context, see Tsiroanomandidy's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
275 mm
23.5 wet days
Daylight
13 h 06 min
5:18 AM – 6:26 PM
Cloud cover
68%
10th clearest
Wind
6 km/h
12th windiest
Solar energy
6.49 kWh/m²
Travel score
3.8
out of 10

Tsiroanomandidy is city in Madagascar.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Tsiroanomandidy reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

Tsiroanomandidy weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°36026.2133.6
Feb28° / 20°29122.812.63.7
Mar29° / 19°18619.712.14.4
Apr28° / 18°508.811.66.3
May27° / 15°81.811.18.3
Jun26° / 13°30.410.99.0
Jul25° / 13°30.8119.0
Aug27° / 14°20.511.48.7
Sep29° / 16°91.511.97.2
Oct30° / 18°618.612.45.4
Nov30° / 19°14915.812.94.5
Dec29° / 20°27523.513.13.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34753
44555
54555
64357
74258
84159
94060
103961
113763
123664
133565
143367
153268
163268
173169
183070
193070
202971
212971
222971
232971
242971
252971
262872
272773
282773
292674
302674
312575

Chance of precipitation in December

Any precipitation

Tsiroanomandidy gets around 275 mm of rain over 23.5 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
372
473
573
674
775
875
975
1076
1176
1276
1377
1477
1577
1677
1776
1876
1976
2076
2176
2276
2376
2476
2577
2677
2777
2878
2978
3079
3179

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11627651
21626661
31625671
41624681
51624681
61523701
71522711
81522702
91521712
100420742
110419752
120419752
130418762
140417772
150317773
160317773
170316783
180316783
190216793
200216793
210216793
220216793
230215803
240115813
250115813
260114814
270114814
280114814
290113824
300013834
310013834

Wind in December

Winds average 6 km/h in December, the calmest month.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 hours at the start of December to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:14 AM to 5:26 AM, and sunset from 6:17 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:146:17
213.15:146:18
313.15:146:18
413.15:156:19
513.15:156:19
613.15:156:20
713.15:156:21
813.15:166:21
913.15:166:22
1013.15:166:22
1113.15:166:23
1213.15:176:23
1313.15:176:24
1413.15:186:25
1513.15:186:25
1613.15:186:26
1713.15:196:26
1813.15:196:27
1913.15:206:27
2013.15:206:28
2113.15:206:28
2213.15:216:29
2313.15:216:29
2413.15:226:30
2513.15:226:30
2613.15:236:30
2713.15:236:31
2813.15:246:31
2913.15:246:32
3013.15:256:32
3113.15:266:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.49 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.95 kWh/m² in November across the year — December's 6.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.4Intense
196.4Intense
206.4Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.1Intense
306.0Intense
316.0Bright
Planning a trip in December

Hazard calendar for Tsiroanomandidy

In seasonPeak

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

Tsiroanomandidy'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 December a good time to visit Tsiroanomandidy?

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

3.8
Sightseeing
10th-best month of the year
4.8
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Tsiroanomandidy.

What to pack for Tsiroanomandidy in December

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

In December, Tsiroanomandidy sees daytime highs around 29°C and nights near 20°C. Pack light clothes, rain gear and sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Tsiroanomandidy in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Tsiroanomandidy peaks around February 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highExtremeFeb 10UV 16Jun 17UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Tsiroanomandidy in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Tsiroanomandidy is worst in August — around 28 µg/m³ PM2.5 (moderate), about 6.3× the cleanest month (January, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1028 µg/m³Jan 144 µg/m³
PM2.5 (µg/m³)Level
Jan4Good
Feb6Good
Mar6Good
Apr7Good
May16Moderate
Jun22Moderate
Jul27Moderate
Aug28Moderate
Sep19Moderate
Oct17Moderate
Nov9Good
Dec5Good
Location & terrain

Where is Tsiroanomandidy?

Tsiroanomandidy sits at 18.8°S, 46.0°E, 862 m above sea level, in Madagascar. The nearest listed city is Fenoarivo Be, 66 km away.

SoavinandrianaMiandrarivoMiandrivazoFaratsihoArivonimamoAnkazobeImerintsiatosika

Topography around Tsiroanomandidy

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

Within 3 km, the terrain around Tsiroanomandidy has only modest variations in elevation — a maximum elevation change of 147 m around an average of 826 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 705 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,559 m.

The land around Tsiroanomandidy is covered by grassland (53%) and cropland (33%) within 3 km, grassland (70%) and cropland (28%) within 16 km, and grassland (85%) within 80 km.

3 km
147 m
16 km
705 m
80 km
1,559 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Fenoarivo Be 66 km · Soavinandriana 85 km · Miandrarivo 104 km · Miandrivazo 105 km · Faratsiho 118 km · Arivonimamo 123 km · Ankazobe 124 km · Imerintsiatosika 136 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 Tsiroanomandidy (-18.7697°, 46.0465°, elevation 862 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).