Suai weather in December

In December, Suai sees average daytime highs of 29°C and overnight lows near 24°C, with 199 mm of rain across 22 wet days and about 12.5 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 11% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Suai's 10th-clearest and 12th-windiest month. For the whole year in context, see Suai's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
199 mm
22 wet days
Daylight
12 h 30 min
6:19 AM – 6:51 PM
Cloud cover
79%
10th clearest
Wind
5 km/h
12th windiest
Solar energy
5.66 kWh/m²
Travel score
3.7
out of 10

Suai is city in Cova Lima District.

Density
71/km²
people per km²

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 Suai reaches about 29°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How December really feels in Suai

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.

Suai 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
Jan29° / 23°24627.112.53.3
Feb29° / 23°21324.512.33.3
Mar29° / 23°19321.812.14.1
Apr28° / 22°11214.111.85.2
May28° / 22°8311.911.66.2
Jun27° / 21°569.611.56.6
Jul27° / 20°287.311.57.1
Aug27° / 20°112.511.77.8
Sep28° / 21°10211.97.1
Oct30° / 22°203.512.26.2
Nov30° / 23°64812.45.1
Dec29° / 24°1992212.53.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 78%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23268
33268
43070
53169
63070
73070
82872
92872
102872
112773
122674
132674
142476
152377
162278
172278
182179
191981
201981
211783
221783
231684
241684
251585
261486
271387
281387
291387
301387
311387

Chance of precipitation in December

Any precipitation

Suai gets around 199 mm of rain over 22 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 70% 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 (%)
152
253
355
456
558
659
761
862
963
1065
1166
1267
1368
1469
1570
1671
1772
1873
1974
2075
2176
2277
2377
2478
2579
2680
2780
2881
2982
3083
3183

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 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1119800
2118801
3117811
4117811
5116821
6115831
7114841
8113851
9112861
10011881
11010891
1209901
1308911
1408911
1507921
1606931
1705941
1805941
1904951
2004951
2103961
2203961
2303961
2402971
2502971
2602971
2702971
2802971
2902971
3002971
3101981

Wind in December

Winds average 5 km/h in December, the calmest month.

Across December, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
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 12 h 30 min at the start of December to 12 h 30 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 6:14 AM to 6:26 AM, and sunset from 6:44 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:146:44
212.56:146:44
312.56:146:45
412.56:146:45
512.56:156:46
612.56:156:46
712.56:156:47
812.56:166:47
912.56:166:48
1012.56:176:48
1112.56:176:49
1212.56:176:49
1312.56:186:50
1412.56:186:50
1512.56:186:51
1612.56:196:51
1712.56:196:52
1812.56:206:52
1912.56:206:53
2012.56:216:53
2112.56:216:54
2212.56:226:54
2312.56:226:55
2412.56:236:55
2512.56:236:56
2612.56:246:56
2712.56:246:57
2812.56:256:57
2912.56:256:57
3012.56:266:58
3112.56:266:58

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.66 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 6.82 kWh/m² in October across the year — December's 5.66 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
315.7Bright
Planning a trip in December

Hazard calendar for Suai

In seasonPeak

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

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

Suai's monsoon runs December–April, 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 Suai?

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

3.7
Sightseeing
10th-best month of the year
5.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Suai.

What to pack for Suai in December

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

In December, Suai sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Suai in December

The nearest coast averages about 30°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 15 km away) is warmest in December at about 30°C and coldest in August near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb30Tropical
Mar30Tropical
Apr30Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug27Warm
Sep28Warm
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Suai in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Suai peaks around March 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 10UV 16Jul 10UV 9
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Suai?

Suai sits at 9.3°S, 125.3°E, 73 m above sea level, in Timor Leste. The nearest listed city is Maliana, 36 km away.

MalianaAtsabeAtambuaGlenoAileuMaubaraLiquiçáKefamenanu

Topography around Suai

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

Within 3 km, the terrain around Suai has only modest variations in elevation — a maximum elevation change of 214 m around an average of 52 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,581 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,916 m.

The land around Suai is covered by trees (50%) and grassland (38%) within 3 km, trees (56%) and water (34%) within 16 km, and trees (40%) and water (40%) within 80 km.

3 km
214 m
16 km
1,581 m
80 km
2,916 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Maliana 36 km · Atsabe 46 km · Atambua 46 km · Gleno 68 km · Aileu 73 km · Maubara 78 km · Liquiçá 81 km · Kefamenanu 87 km

Timor Leste travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E / F / I
220 V · 50 Hz
Prices
≈ 28% of US
price level, 2025
GDP per capita
$1,341
2025
Homicide rate
4.1
per 100k, 2015
Road deaths
11.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Catholic 91%other 7%Protestant Evangelical 2%

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 Suai (-9.3129°, 125.2565°, elevation 73 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).