Didy weather in December

In December, Didy sees average daytime highs of 28°C and overnight lows near 18°C, with 176 mm of rain across 18.7 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 9% of the time in December, and the air most often feels humid.

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 Didy's 9th-clearest and 12th-windiest month. For the whole year in context, see Didy's year-round climate.

Daytime high
28°
1st warmest
Overnight low
18°
9th coldest
Rainfall
176 mm
18.7 wet days
Daylight
13 h 06 min
5:10 AM – 6:14 PM
Cloud cover
72%
9th clearest
Wind
7 km/h
12th windiest
Solar energy
5.93 kWh/m²
Travel score
4.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical December day in Didy reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°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)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142818
152818
162818
172818
182818
192818
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

Didy 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°27424.2134.2
Feb27° / 19°25422.712.64.1
Mar27° / 19°18121.112.14.7
Apr26° / 17°5614.311.65.9
May24° / 16°3510.111.26.8
Jun22° / 13°258.710.96.6
Jul21° / 12°3210116.3
Aug21° / 12°238.811.46.7
Sep23° / 13°176.311.97.5
Oct26° / 15°28712.47.3
Nov28° / 17°6110.912.96.2
Dec28° / 18°17618.713.14.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33169
43070
53070
63070
73070
82971
92773
102773
112773
122773
132674
142674
152575
162575
172476
182377
192377
202377
212476
222476
232476
242377
252278
262278
272278
282080
292080
301981
311981

Chance of precipitation in December

Any precipitation

Didy gets around 176 mm of rain over 18.7 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 61% and peaks near 72% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
148
248
349
450
550
651
752
853
954
1055
1156
1257
1359
1460
1561
1663
1764
1864
1965
2065
2166
2266
2367
2467
2568
2669
2770
2871
2971
3072
3172

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11205722
21205623
31195624
41185625
51175626
61165528
70165529
80155431
90145432
100145234
110135235
120125137
130114939
140114941
150104842
16094743
17084744
18074745
19074746
20064747
21054747
22054748
23044749
24044650
25034552
26034552
27024355
28024256
29024157
30024058
31023959

Wind in December

Winds average 7 km/h in December, the calmest month.

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
58calm
68calm
78calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:05 AM to 5:17 AM, and sunset from 6:06 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:056:06
213.05:066:06
313.05:066:07
413.05:066:08
513.05:066:08
613.05:066:09
713.05:076:09
813.15:076:10
913.15:076:11
1013.15:076:11
1113.15:086:12
1213.15:086:12
1313.15:086:13
1413.15:096:13
1513.15:096:14
1613.15:106:14
1713.15:106:15
1813.15:106:15
1913.15:116:16
2013.15:116:16
2113.15:126:17
2213.15:126:17
2313.15:136:18
2413.15:136:18
2513.15:146:19
2613.15:146:19
2713.15:156:20
2813.15:156:20
2913.15:166:20
3013.15:166:21
3113.15:176:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.93 kWh/m².

For context, solar energy here swings from a low near 3.28 kWh/m² to a high of 6.34 kWh/m² in November across the year — December's 5.93 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.8Bright
225.7Bright
235.7Bright
245.7Bright
255.6Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in December

Hazard calendar for Didy

In seasonPeak

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

Didy'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 Didy?

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

4.8
Sightseeing
9th-best month of the year
5.3
Beach & pool
6th-best month of the year

December is a reasonable time to visit Didy for sightseeing.

What to pack for Didy in December

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

In December, Didy sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Didy 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 Didy peaks around February 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 11UV 16Jun 18UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Didy 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 Didy is worst in November — around 29 µg/m³ PM2.5 (moderate), about 4.6× the cleanest month (February, 6 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 929 µg/m³Feb 166 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar7Good
Apr7Good
May9Good
Jun8Good
Jul7Good
Aug8Good
Sep10Good
Oct28Moderate
Nov29Moderate
Dec10Good
Location & terrain

Where is Didy?

Didy sits at 18.1°S, 48.5°E, 1,033 m above sea level, in Madagascar. The nearest listed city is Ambatondrazaka, 34 km away.

ToamasinaAmpasimanolotraMoramangaVohibinany

Topography around Didy

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

Within 3 km, the terrain around Didy has only modest variations in elevation — a maximum elevation change of 172 m around an average of 1,039 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 602 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,569 m.

The land around Didy is covered by cropland (70%) within 3 km, trees (53%) and grassland (32%) within 16 km, and trees (45%) and grassland (37%) within 80 km.

3 km
172 m
16 km
602 m
80 km
1,569 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Ambatondrazaka 34 km · Amparafaravola 67 km · Imerimandroso 76 km · Anjozorobe 77 km · Toamasina 92 km · Ampasimanolotra 96 km · Moramanga 98 km · Vohibinany 100 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 Didy (-18.1167°, 48.5333°, elevation 1,033 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).