Ambato Boeny weather in December

In December, Ambato Boeny sees average daytime highs of 33°C and overnight lows near 25°C, with 228 mm of rain across 21.8 wet days and about 13 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 26% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of December to 13 hours by month's end. Set against the rest of the year, December is Ambato Boeny's 10th-clearest and 10th-windiest month. For the whole year in context, see Ambato Boeny's year-round climate.

Daytime high
33°
5th warmest
Overnight low
25°
12th coldest
Rainfall
228 mm
21.8 wet days
Daylight
13 hours
5:20 AM – 6:19 PM
Cloud cover
62%
10th clearest
Wind
6 km/h
10th windiest
Solar energy
6.38 kWh/m²
Travel score
2.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical December day in Ambato Boeny reaches about 33°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113425
123425
133425
143425
153425
163325
173325
183325
193325
203325
213325
223325
233325
243325
253325
263325
273325
283325
293325
303325
313325

How December really feels in Ambato Boeny

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ambato Boeny weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 25°40527.312.92.3
Feb32° / 25°30524.112.62.4
Mar33° / 25°20319.312.12.7
Apr34° / 24°436.711.63.7
May33° / 22°8111.24.7
Jun31° / 20°10.2115.8
Jul31° / 19°10.311.16.1
Aug32° / 20°10.211.45.4
Sep34° / 21°30.711.94.3
Oct35° / 24°234.612.43.0
Nov35° / 25°10013.712.82.4
Dec33° / 25°22821.8132.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26139
36040
45941
55743
65644
75545
85347
95248
105149
114951
124852
134654
144654
154555
164357
174357
184258
194258
204159
214159
224060
233961
243961
253763
263664
273565
283367
293367
303169
312971

Chance of precipitation in December

Any precipitation

Ambato Boeny gets around 228 mm of rain over 21.8 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 71% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
162
262
363
464
564
665
765
866
967
1067
1168
1269
1370
1470
1571
1672
1772
1873
1973
2073
2173
2274
2374
2475
2576
2677
2778
2879
2980
3081
3181

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
124176512
213176612
313176613
413166614
513166416
603156517
703156319
803146320
903146122
1003136123
1103126124
1203116026
1303115927
1403105928
150395929
160385930
170385831
180375931
190275932
200275932
210275932
220265933
230265933
240265933
250165934
260165934
270155935
280155836
290155737
300155638
310045838

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 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
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 54 min at the start of December to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:16 AM to 5:27 AM, and sunset from 6:10 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:166:10
212.95:166:11
312.95:166:11
412.95:166:12
512.95:166:13
612.95:176:13
712.95:176:14
812.95:176:14
913.05:186:15
1013.05:186:15
1113.05:186:16
1213.05:196:16
1313.05:196:17
1413.05:196:18
1513.05:206:18
1613.05:206:19
1713.05:206:19
1813.05:216:20
1913.05:216:20
2013.05:226:21
2113.05:226:21
2213.05:236:22
2313.05:236:22
2413.05:246:22
2513.05:246:23
2613.05:256:23
2713.05:256:24
2813.05:266:24
2913.05:266:25
3013.05:276:25
3113.05:276:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.38 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 7.1 kWh/m² in October across the year — December's 6.38 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.4Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.2Intense
236.1Intense
246.1Intense
256.0Intense
266.0Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in December

Hazard calendar for Ambato Boeny

In seasonPeak

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

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

Ambato Boeny'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 December a good time to visit Ambato Boeny?

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

2.4
Sightseeing
9th-best month of the year
4.5
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Ambato Boeny.

What to pack for Ambato Boeny in December

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

In December, Ambato Boeny sees daytime highs around 33°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Ambato Boeny in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ambato Boeny peaks around February 12 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 12UV 16Jun 18UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec14Extreme
Location & terrain

Where is Ambato Boeny?

Ambato Boeny sits at 16.5°S, 46.7°E, 36 m above sea level, in Madagascar. The nearest listed city is Marovoay, 40 km away.

MahajangaTsaratananaMampikonyBorizinySoalala

Topography around Ambato Boeny

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

Within 3 km, the terrain around Ambato Boeny has only modest variations in elevation — a maximum elevation change of 47 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 236 m; within 80 km, large variations in elevation — a maximum elevation change of 768 m.

The land around Ambato Boeny is covered by cropland (63%) within 3 km, grassland (42%) and cropland (34%) within 16 km, and grassland (70%) within 80 km.

3 km
47 m
16 km
236 m
80 km
768 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Marovoay 40 km · Maevatanana 55 km · Sitampiky 69 km · Mahajanga 94 km · Tsaratanana 106 km · Mampikony 108 km · Boriziny 144 km · Soalala 155 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 Ambato Boeny (-16.4667°, 46.7167°, elevation 36 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).