Sahavato weather in December

In December, Sahavato sees average daytime highs of 29°C and overnight lows near 21°C, with 206 mm of rain across 21 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 4th-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 13% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 12 min by month's end. Set against the rest of the year, December is Sahavato's 9th-clearest and 4th-windiest month. For the whole year in context, see Sahavato's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
21°
9th coldest
Rainfall
206 mm
21 wet days
Daylight
13 h 12 min
5:06 AM – 6:20 PM
Cloud cover
70%
9th clearest
Wind
7 km/h
4th windiest
Solar energy
5.91 kWh/m²
Travel score
4.0
out of 10

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 Sahavato reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, December runs about 1°C warmer than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242922
252922
262922
272922
282922
292922
302922
312922

How December really feels in Sahavato

Once humidity and wind are folded in, December averages 1 day 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
1
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.

Sahavato weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°3792613.13.4
Feb29° / 22°30923.912.73.4
Mar28° / 21°29425.112.13.9
Apr27° / 20°14720.411.54.9
May25° / 18°13818.2115.7
Jun23° / 16°7714.110.86.3
Jul22° / 15°7815.610.96.0
Aug23° / 15°5712.311.36.8
Sep25° / 16°5010.211.97.0
Oct26° / 18°7111.412.56.5
Nov28° / 20°10414.2135.3
Dec29° / 21°2062113.24.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43664
53565
63466
73367
83367
93367
103367
113367
123367
133169
143169
153169
163169
173169
183070
193070
203070
213070
223070
233070
243070
253070
263070
272971
282872
292872
302674
312674

Chance of precipitation in December

Any precipitation

Sahavato gets around 206 mm of rain over 21 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 68% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
157
258
359
459
560
661
762
862
963
1064
1165
1266
1367
1468
1568
1669
1770
1870
1971
2071
2172
2272
2373
2473
2574
2675
2776
2877
2978
3079
3180

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11452430
21351441
31350461
41349471
51248481
61247501
71246501
81245511
91143541
100142561
110141571
120139591
130137611
140136621
150134641
160133651
170132661
180130681
190130681
200129691
210128710
220127720
230126730
240025750
250024760
260023770
270023761
280022771
290022771
300021781
310021781

Wind in December

Winds average 7 km/h in December.

Across December, 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
18calm
28calm
38calm
48calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 5:02 AM to 5:13 AM, and sunset from 6:11 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:026:11
213.25:026:12
313.25:026:12
413.25:026:13
513.25:026:14
613.25:026:14
713.25:036:15
813.25:036:16
913.25:036:16
1013.25:036:17
1113.25:046:17
1213.25:046:18
1313.25:046:18
1413.25:056:19
1513.25:056:20
1613.25:066:20
1713.25:066:21
1813.25:066:21
1913.25:076:22
2013.25:076:22
2113.35:086:23
2213.35:086:23
2313.35:096:24
2413.25:096:24
2513.25:106:25
2613.25:106:25
2713.25:116:25
2813.25:116:26
2913.25:126:26
3013.25:126:26
3113.25:136:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.91 kWh/m².

For context, solar energy here swings from a low near 3.24 kWh/m² to a high of 6.02 kWh/m² in November across the year — December's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Bright
126.0Bright
136.0Bright
146.0Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.7Bright
265.7Bright
275.7Bright
285.6Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in December

Hazard calendar for Sahavato

In seasonPeak

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

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

Sahavato'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 Sahavato?

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

4.0
Sightseeing
9th-best month of the year
5.1
Beach & pool
6th-best month of the year

December is a reasonable time to visit Sahavato for sightseeing.

What to pack for Sahavato in December

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

In December, Sahavato sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Sahavato in December

The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 km away) is warmest in February at about 29°C and coldest in August near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar28Tropical
Apr28Warm
May27Warm
Jun26Warm
Jul25Warm
Aug24Warm
Sep24Warm
Oct25Warm
Nov26Warm
Dec27Warm

UV index in Sahavato 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 Sahavato peaks around February 13 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 13UV 16Jun 18UV 6
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun6High
Jul7High
Aug8Very high
Sep10Extreme
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Sahavato 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 Sahavato is worst in October — around 65 µg/m³ PM2.5 (unhealthy), about 9.4× the cleanest month (February, 7 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateOct 1961 µg/m³Feb 147 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar8Good
Apr11Good
May15Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep18Moderate
Oct65Unhealthy
Nov39Poor
Dec12Good
Location & terrain

Where is Sahavato?

Sahavato sits at 20.6°S, 48.3°E, 54 m above sea level, in Madagascar. The nearest listed city is Nosy Varika, 21 km away.

MahanoroIfanadianaFandrianaAmbositraSoanindrariny

Topography around Sahavato

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

Within 3 km, the terrain around Sahavato has only modest variations in elevation — a maximum elevation change of 209 m around an average of 66 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 554 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,609 m.

The land around Sahavato is covered by trees (67%) and grassland (24%) within 3 km, trees (54%) and grassland (34%) within 16 km, and trees (29%), grassland (28%) and water (26%) within 80 km.

3 km
209 m
16 km
554 m
80 km
1,609 m
treesshrubsgrasslandcroplandwater
December weather nearby: Nosy Varika 21 km · Marolambo 65 km · Mananjary 70 km · Mahanoro 92 km · Ifanadiana 107 km · Fandriana 107 km · Ambositra 114 km · Soanindrariny 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 Sahavato (-20.6°, 48.3333°, elevation 54 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).