Sumedang weather in December

In December, Sumedang sees average daytime highs of 29°C and overnight lows near 22°C, with 434 mm of rain across 29.5 wet days and about 12.4 hours of daylight. It is the 9th-warmest and 1st-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 1% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Sumedang's 11th-clearest and 9th-windiest month. For the whole year in context, see Sumedang's year-round climate.

Daytime high: 29°; 9th warmest
Overnight low: 22°; 9th coldest
Rainfall: 434 mm; 29.5 wet days
Daylight: 12 h 24 min; 5:33 AM – 5:56 PM
Cloud cover: 91%; 11th clearest
Wind: 4 km/h; 9th windiest
Solar energy: 4.49 kWh/m²
Travel score: 2.8; out of 10

Sumedang is town in West Java, Indonesia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← November Sumedang year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 Sumedang reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°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 about 1°C cooler than November and about 1°C warmer than January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	30	30	30	30	30	30	30	30	30	30	30	30	30	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	29	22
15	29	22
16	29	22
17	29	22
18	29	22
19	29	22
20	29	22
21	29	22
22	29	22
23	29	22
24	29	22
25	29	22
26	29	22
27	29	22
28	29	22
29	29	22
30	29	22
31	29	22

How December really feels in Sumedang

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sumedang weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 22°	415	30	12.4	2.9
Feb	29° / 22°	385	27.4	12.2	2.9
Mar	29° / 22°	403	29.8	12	2.8
Apr	30° / 22°	272	26.3	11.9	3.0
May	30° / 22°	124	17.6	11.7	4.0
Jun	30° / 22°	67	10.7	11.6	4.7
Jul	31° / 21°	42	6.4	11.6	5.0
Aug	32° / 21°	19	3.7	11.8	4.8
Sep	32° / 22°	42	5.6	12	4.2
Oct	32° / 22°	121	13.7	12.2	3.5
Nov	31° / 22°	310	24.6	12.3	2.9
Dec	29° / 22°	434	29.5	12.4	2.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 3% of December, with mostly cloudy or overcast conditions the remaining 96%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	5	5	5	4	4	4	4	4	4	5	5	5	4	4	4	4	4	4	5	4	4	4	4	4	4	5	5	5	5	5	6
Cloudier (%)	95	95	95	96	96	96	96	96	96	95	95	95	96	96	96	96	96	96	95	96	96	96	96	96	96	95	95	95	95	95	94

	Clearer (%)	Cloudier (%)
1	5	95
2	5	95
3	5	95
4	4	96
5	4	96
6	4	96
7	4	96
8	4	96
9	4	96
10	5	95
11	5	95
12	5	95
13	4	96
14	4	96
15	4	96
16	4	96
17	4	96
18	4	96
19	5	95
20	4	96
21	4	96
22	4	96
23	4	96
24	4	96
25	4	96
26	5	95
27	5	95
28	5	95
29	5	95
30	5	95
31	6	94

Chance of precipitation in December

Any precipitation

Sumedang gets around 434 mm of rain over 29.5 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 95% and peaks near 96% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	95	95	95	95	95	95	96	96	96	96	96	96	96	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	96
8	96
9	96
10	96
11	96
12	96
13	96
14	95
15	95
16	95
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Muggy (%)	4	3	3	2	2	2	2	2	2	2	1	1	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
Oppressive (%)	96	97	97	98	98	98	98	98	98	98	99	99	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98	98

	Muggy (%)	Oppressive (%)
1	4	96
2	3	97
3	3	97
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	2	98
10	2	98
11	1	99
12	1	99
13	2	98
14	2	98
15	2	98
16	2	98
17	2	98
18	2	98
19	2	98
20	2	98
21	2	98
22	2	98
23	2	98
24	2	98
25	2	98
26	2	98
27	2	98
28	2	98
29	2	98
30	2	98
31	2	98

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	3	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm
31	4	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 24 min at the start of December to 12 h 24 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 5:27 AM to 5:40 AM, and sunset from 5:49 PM to 6:03 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4	12.4
Sunrise (AM)	5:27	5:27	5:28	5:28	5:28	5:29	5:29	5:29	5:30	5:30	5:31	5:31	5:31	5:32	5:32	5:33	5:33	5:34	5:34	5:34	5:35	5:35	5:36	5:36	5:37	5:37	5:38	5:38	5:39	5:39	5:40
Sunset (PM)	5:49	5:50	5:50	5:51	5:51	5:52	5:52	5:52	5:53	5:53	5:54	5:54	5:55	5:55	5:56	5:56	5:57	5:57	5:58	5:58	5:59	5:59	6:00	6:00	6:01	6:01	6:02	6:02	6:02	6:03	6:03

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	5:27	5:49
2	12.4	5:27	5:50
3	12.4	5:28	5:50
4	12.4	5:28	5:51
5	12.4	5:28	5:51
6	12.4	5:29	5:52
7	12.4	5:29	5:52
8	12.4	5:29	5:52
9	12.4	5:30	5:53
10	12.4	5:30	5:53
11	12.4	5:31	5:54
12	12.4	5:31	5:54
13	12.4	5:31	5:55
14	12.4	5:32	5:55
15	12.4	5:32	5:56
16	12.4	5:33	5:56
17	12.4	5:33	5:57
18	12.4	5:34	5:57
19	12.4	5:34	5:58
20	12.4	5:34	5:58
21	12.4	5:35	5:59
22	12.4	5:35	5:59
23	12.4	5:36	6:00
24	12.4	5:36	6:00
25	12.4	5:37	6:01
26	12.4	5:37	6:01
27	12.4	5:38	6:02
28	12.4	5:38	6:02
29	12.4	5:39	6:02
30	12.4	5:39	6:03
31	12.4	5:40	6:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.49 kWh/m².

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 6.08 kWh/m² in September across the year — December's 4.49 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.6	4.6	4.6	4.6	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5	4.5
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.6	Bright
2	4.6	Bright
3	4.6	Bright
4	4.6	Bright
5	4.5	Bright
6	4.5	Bright
7	4.5	Bright
8	4.5	Bright
9	4.5	Bright
10	4.5	Bright
11	4.5	Bright
12	4.5	Bright
13	4.5	Bright
14	4.5	Bright
15	4.5	Bright
16	4.5	Bright
17	4.5	Bright
18	4.5	Bright
19	4.5	Bright
20	4.5	Bright
21	4.5	Bright
22	4.5	Bright
23	4.5	Bright
24	4.5	Bright
25	4.5	Bright
26	4.5	Bright
27	4.5	Bright
28	4.5	Bright
29	4.5	Bright
30	4.5	Bright
31	4.5	Bright

Planning a trip in December

Hazard calendar for Sumedang

In seasonPeak

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

Sumedang's monsoon runs November–April, 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 Sumedang?

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

2.8

Sightseeing

11th-best month of the year

3.7

Beach & pool

9th-best month of the year

December is a weaker month for outdoor sightseeing in Sumedang.

What to pack for Sumedang in December

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

In December, Sumedang sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

UV index in Sumedang in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sumedang peaks around March 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 8 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	10	13	14	12	9	8	10	12	13	13	8	12
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Very high	Extreme

	UV index (midday)	Level
Jan	10	Extreme
Feb	13	Extreme
Mar	14	Extreme
Apr	12	Extreme
May	9	Very high
Jun	8	Very high
Jul	10	Very high
Aug	12	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	8	Very high
Dec	12	Extreme

Air quality in Sumedang 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 Sumedang is worst in May — around 72 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	61	60	69	69	72	69	60	54	53	55	57	60
Level	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Unhealthy	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	61	Unhealthy
Feb	60	Unhealthy
Mar	69	Unhealthy
Apr	69	Unhealthy
May	72	Unhealthy
Jun	69	Unhealthy
Jul	60	Unhealthy
Aug	54	Poor
Sep	53	Poor
Oct	55	Unhealthy
Nov	57	Unhealthy
Dec	60	Unhealthy

Location & terrain

Where is Sumedang?

Sumedang sits at 6.9°S, 107.9°E, 460 m above sea level, in Indonesia. The nearest listed city is Sumedang Utara, 1.0 km away.

Topography around Sumedang

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

Within 3 km, the terrain around Sumedang has significant variations in elevation — a maximum elevation change of 318 m around an average of 517 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,758 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,025 m.

The land around Sumedang is covered by trees (48%), artificial surfaces (26%) and cropland (24%) within 3 km, trees (77%) within 16 km, and trees (58%) and cropland (25%) within 80 km.

3 km

318 m

trees 48%

16 km

1,758 m

trees 77%

80 km

3,025 m

trees 58%

treesgrasslandcroplandartificial surfaceswater

← November Sumedang year-round climate January →Best places to visit in December

December weather nearby: Sumedang Utara 1.0 km · Cileunyi 20 km · Paseh 27 km · Lembang 33 km · Majalengka 34 km · Bandung 35 km · Wanaraja 36 km · Subang 37 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

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 Sumedang (-6.8586°, 107.9164°, elevation 460 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).

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	29	22
15	29	22
16	29	22
17	29	22
18	29	22
19	29	22
20	29	22
21	29	22
22	29	22
23	29	22
24	29	22
25	29	22
26	29	22
27	29	22
28	29	22
29	29	22
30	29	22
31	29	22

	Clearer (%)	Cloudier (%)
1	5	95
2	5	95
3	5	95
4	4	96
5	4	96
6	4	96
7	4	96
8	4	96
9	4	96
10	5	95
11	5	95
12	5	95
13	4	96
14	4	96
15	4	96
16	4	96
17	4	96
18	4	96
19	5	95
20	4	96
21	4	96
22	4	96
23	4	96
24	4	96
25	4	96
26	5	95
27	5	95
28	5	95
29	5	95
30	5	95
31	6	94

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	96
8	96
9	96
10	96
11	96
12	96
13	96
14	95
15	95
16	95
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

	Muggy (%)	Oppressive (%)
1	4	96
2	3	97
3	3	97
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	2	98
10	2	98
11	1	99
12	1	99
13	2	98
14	2	98
15	2	98
16	2	98
17	2	98
18	2	98
19	2	98
20	2	98
21	2	98
22	2	98
23	2	98
24	2	98
25	2	98
26	2	98
27	2	98
28	2	98
29	2	98
30	2	98
31	2	98

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	29	22
15	29	22
16	29	22
17	29	22
18	29	22
19	29	22
20	29	22
21	29	22
22	29	22
23	29	22
24	29	22
25	29	22
26	29	22
27	29	22
28	29	22
29	29	22
30	29	22
31	29	22

	Clearer (%)	Cloudier (%)
1	5	95
2	5	95
3	5	95
4	4	96
5	4	96
6	4	96
7	4	96
8	4	96
9	4	96
10	5	95
11	5	95
12	5	95
13	4	96
14	4	96
15	4	96
16	4	96
17	4	96
18	4	96
19	5	95
20	4	96
21	4	96
22	4	96
23	4	96
24	4	96
25	4	96
26	5	95
27	5	95
28	5	95
29	5	95
30	5	95
31	6	94

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	96
8	96
9	96
10	96
11	96
12	96
13	96
14	95
15	95
16	95
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

	Muggy (%)	Oppressive (%)
1	4	96
2	3	97
3	3	97
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	2	98
10	2	98
11	1	99
12	1	99
13	2	98
14	2	98
15	2	98
16	2	98
17	2	98
18	2	98
19	2	98
20	2	98
21	2	98
22	2	98
23	2	98
24	2	98
25	2	98
26	2	98
27	2	98
28	2	98
29	2	98
30	2	98
31	2	98

	Avg high (°C)	Avg low (°C)
1	30	22
2	30	22
3	30	22
4	30	22
5	30	22
6	30	22
7	30	22
8	30	22
9	30	22
10	30	22
11	30	22
12	30	22
13	30	22
14	29	22
15	29	22
16	29	22
17	29	22
18	29	22
19	29	22
20	29	22
21	29	22
22	29	22
23	29	22
24	29	22
25	29	22
26	29	22
27	29	22
28	29	22
29	29	22
30	29	22
31	29	22

	Clearer (%)	Cloudier (%)
1	5	95
2	5	95
3	5	95
4	4	96
5	4	96
6	4	96
7	4	96
8	4	96
9	4	96
10	5	95
11	5	95
12	5	95
13	4	96
14	4	96
15	4	96
16	4	96
17	4	96
18	4	96
19	5	95
20	4	96
21	4	96
22	4	96
23	4	96
24	4	96
25	4	96
26	5	95
27	5	95
28	5	95
29	5	95
30	5	95
31	6	94

	Rain chance (%)
1	95
2	95
3	95
4	95
5	95
6	95
7	96
8	96
9	96
10	96
11	96
12	96
13	96
14	95
15	95
16	95
17	95
18	95
19	95
20	95
21	95
22	95
23	95
24	95
25	95
26	95
27	95
28	95
29	95
30	95
31	95

	Muggy (%)	Oppressive (%)
1	4	96
2	3	97
3	3	97
4	2	98
5	2	98
6	2	98
7	2	98
8	2	98
9	2	98
10	2	98
11	1	99
12	1	99
13	2	98
14	2	98
15	2	98
16	2	98
17	2	98
18	2	98
19	2	98
20	2	98
21	2	98
22	2	98
23	2	98
24	2	98
25	2	98
26	2	98
27	2	98
28	2	98
29	2	98
30	2	98
31	2	98