Sijunjung weather in December

In December, Sijunjung sees average daytime highs of 29°C and overnight lows near 21°C, with 255 mm of rain across 26.8 wet days and about 12 hours of daylight. It is the 11th-warmest and 2nd-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 0% of the time in December, and the air most often feels oppressive.

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

Daytime high
29°
11th warmest
Overnight low
21°
8th coldest
Rainfall
255 mm
26.8 wet days
Daylight
12 hours
6:11 AM – 6:13 PM
Cloud cover
93%
12th clearest
Wind
4 km/h
4th windiest
Solar energy
3.93 kWh/m²
Travel score
3.2
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 Sijunjung reaches about 29°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
12922
22922
32922
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921
312921

How December really feels in Sijunjung

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.

Sijunjung weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°24526.8123.3
Feb29° / 21°18223.3123.3
Mar30° / 21°21526.4123.1
Apr30° / 22°23627.2122.8
May30° / 22°14524123.2
Jun30° / 21°10220.1123.6
Jul30° / 21°11219.4123.8
Aug30° / 21°12820.2123.6
Sep30° / 21°15123.1123.3
Oct30° / 22°17625.7123.1
Nov29° / 22°26127.1123.0
Dec29° / 21°25526.8123.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 2% of December, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15298
16298
17298
18199
19199
20199
21199
22199
23199
24298
25397
26397
27397
28397
29397
30496
31496

Chance of precipitation in December

Any precipitation

Sijunjung gets around 255 mm of rain over 26.8 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 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
289
389
488
588
688
788
888
987
1087
1187
1287
1387
1487
1587
1686
1786
1886
1986
2086
2186
2286
2386
2486
2586
2686
2786
2886
2985
3085
3185

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
11585
21585
31585
41585
51585
61684
71684
81684
91684
101684
111684
121684
131684
141684
151684
161783
171783
181783
191783
201882
211882
221882
231882
241981
251981
261981
271981
282080
292080
302080
312179

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 4 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
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:05 AM to 6:18 AM, and sunset from 6:07 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:056:07
212.06:056:07
312.06:056:08
412.06:066:08
512.06:066:09
612.06:076:09
712.06:076:09
812.06:076:10
912.06:086:10
1012.06:086:11
1112.06:096:11
1212.06:096:12
1312.06:106:12
1412.06:106:13
1512.06:116:13
1612.06:116:13
1712.06:126:14
1812.06:126:14
1912.06:126:15
2012.06:136:15
2112.06:136:16
2212.06:146:16
2312.06:146:17
2412.06:156:17
2512.06:156:18
2612.06:166:18
2712.06:166:19
2812.06:176:19
2912.06:176:20
3012.06:186:20
3112.06:186:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.93 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.93 kWh/m² to a high of 4.9 kWh/m² in September across the year — December's 3.93 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Moderate
224.0Moderate
234.0Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
284.0Moderate
294.0Bright
304.0Bright
314.0Bright
Planning a trip in December

Is December a good time to visit Sijunjung?

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

3.2
Sightseeing
7th-best month of the year
4.1
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Sijunjung.

What to pack for Sijunjung in December

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

In December, Sijunjung sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

Sea temperature near Sijunjung in December

The nearest coast averages about 29°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 70 km away) is warmest in May at about 30°C and coldest in October near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Sijunjung 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 Sijunjung peaks around February 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 15UV 16Jun 23UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec13Extreme

Air quality in Sijunjung 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 Sijunjung is worst in September — around 38 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (December, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 2338 µg/m³Dec 2018 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar22Moderate
Apr21Moderate
May21Moderate
Jun21Moderate
Jul22Moderate
Aug26Moderate
Sep38Poor
Oct38Poor
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Sijunjung?

Sijunjung sits at 0.7°S, 101.0°E, 167 m above sea level, in Indonesia. The nearest listed city is Solok, 37 km away.

Topography around Sijunjung

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

Within 3 km, the terrain around Sijunjung has significant variations in elevation — a maximum elevation change of 271 m around an average of 192 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,104 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,877 m.

The land around Sijunjung is covered by trees (87%) within 3 km, trees (95%) within 16 km, and trees (93%) within 80 km.

3 km
271 m
16 km
1,104 m
80 km
2,877 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Solok 37 km · Payakumbuh 66 km · Padangpanjang 69 km · Padang 75 km · Bukittinggi 80 km · Pariaman 96 km · Pekanbaru 145 km · Muara Bungo 154 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 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 Sijunjung (-0.7005°, 100.9774°, elevation 167 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).