Marolambo weather in December

In December, Marolambo sees average daytime highs of 27°C and overnight lows near 19°C, with 314 mm of rain across 22.9 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 4th-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 8% of the time in December, and the air most often feels muggy.

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

Daytime high
27°
1st warmest
Overnight low
19°
9th coldest
Rainfall
314 mm
22.9 wet days
Daylight
13 h 12 min
5:07 AM – 6:20 PM
Cloud cover
76%
10th clearest
Wind
5 km/h
10th windiest
Solar energy
5.76 kWh/m²
Travel score
4.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical December day in Marolambo reaches about 27°C in the afternoon and slips back to 19°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, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82719
92719
102719
112719
122719
132719
142719
152719
162719
172719
182719
192719
202719
212719
222719
232719
242719
252719
262719
272719
282719
292719
302719
312719

Marolambo weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°45727.513.13.8
Feb27° / 19°3892512.73.8
Mar26° / 19°33125.912.14.2
Apr25° / 17°1532211.64.9
May23° / 15°13519.211.15.4
Jun21° / 13°7914.510.85.7
Jul20° / 12°8215.910.95.4
Aug21° / 12°7013.911.36.0
Sep23° / 13°6511.911.96.5
Oct25° / 15°11014.812.56.2
Nov26° / 17°16117.6135.3
Dec27° / 19°31422.913.24.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22575
32575
42476
52476
62377
72377
82278
92278
102278
112278
122179
132179
142080
151981
161981
171981
181882
191882
201882
211981
221981
231882
241882
251882
261882
271882
281783
291684
301684
311684

Chance of precipitation in December

Any precipitation

Marolambo gets around 314 mm of rain over 22.9 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 74% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
168
268
369
469
569
670
770
871
971
1071
1172
1272
1373
1473
1574
1675
1775
1875
1976
2076
2176
2277
2377
2478
2578
2679
2780
2881
2981
3082
3183

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1439561
2439561
3338581
4338581
5337591
6336601
7236602
8235612
9234622
10233632
11232642
12230662
13229663
14228673
15226693
16225703
17224713
18223723
19122743
20121753
21120763
22120763
23119782
24118783
25117793
26117793
27116803
28116803
29016804
30015814
31015814

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 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
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 06 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 6 minutes over December. Sunrise moves from 5:03 AM to 5:15 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)
113.15:036:11
213.15:046:12
313.15:046:12
413.15:046:13
513.25:046:14
613.25:046:14
713.25:056:15
813.25:056:15
913.25:056:16
1013.25:056:17
1113.25:066:17
1213.25:066:18
1313.25:066:18
1413.25:076:19
1513.25:076:19
1613.25:076:20
1713.25:086:20
1813.25:086:21
1913.25:096:21
2013.25:096:22
2113.25:106:22
2213.25:106:23
2313.25:116:23
2413.25:116:24
2513.25:126:24
2613.25:126:25
2713.25:136:25
2813.25:136:26
2913.25:146:26
3013.25:146:26
3113.25:156:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.76 kWh/m².

For context, solar energy here swings from a low near 3.26 kWh/m² to a high of 6.04 kWh/m² in November across the year — December's 5.76 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.6Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in December

Hazard calendar for Marolambo

In seasonPeak

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

Marolambo'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 Marolambo?

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

4.4
Sightseeing
9th-best month of the year
4.5
Beach & pool
4th-best month of the year

December is a reasonable time to visit Marolambo for sightseeing.

What to pack for Marolambo in December

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

In December, Marolambo sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Marolambo 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 64 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 Marolambo 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 Marolambo peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 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 17UV 6
UV index (midday)Level
Jan15Extreme
Feb17Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun6High
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov13Extreme
Dec15Extreme

Air quality in Marolambo 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 Marolambo 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 Marolambo?

Marolambo sits at 20.1°S, 48.1°E, 424 m above sea level, in Madagascar. The nearest listed city is Sahavato, 65 km away.

SoanindrarinyAntanifotsyAmbatolampyAmbositra

Topography around Marolambo

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

Within 3 km, the terrain around Marolambo has only modest variations in elevation — a maximum elevation change of 242 m around an average of 491 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 719 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.

The land around Marolambo is covered by trees (46%), shrubs (25%) and grassland (21%) within 3 km, grassland (38%), trees (31%) and shrubs (29%) within 16 km, and grassland (37%) and trees (35%) within 80 km.

3 km
242 m
16 km
719 m
80 km
2,032 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Sahavato 65 km · Mahanoro 73 km · Nosy Varika 74 km · Fandriana 79 km · Soanindrariny 94 km · Antanifotsy 95 km · Ambatolampy 104 km · Ambositra 106 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 Marolambo (-20.05°, 48.1167°, elevation 424 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. 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).