Kotabumi weather in December

In December, Kotabumi sees average daytime highs of 31°C and overnight lows near 24°C, with 296 mm of rain across 28.8 wet days and about 12.3 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°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 h 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Kotabumi's 12th-clearest and 8th-windiest month. For the whole year in context, see Kotabumi's year-round climate.

Daytime high
31°
11th warmest
Overnight low
24°
8th coldest
Rainfall
296 mm
28.8 wet days
Daylight
12 h 18 min
5:48 AM – 6:05 PM
Cloud cover
92%
12th clearest
Wind
5 km/h
8th windiest
Solar energy
4.48 kWh/m²
Travel score
2.4
out of 10

Kotabumi is capital of North Lampung Regency, Lampung Province, Indonesia.

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 31°C through the month.

A typical December day in Kotabumi reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How December really feels in Kotabumi

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.

Kotabumi weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°25327.712.22.6
Feb31° / 24°22924.812.22.6
Mar32° / 24°28128.7122.3
Apr32° / 24°2382711.92.4
May32° / 24°16324.311.82.7
Jun31° / 24°10619.811.73.2
Jul31° / 23°9516.911.73.6
Aug32° / 23°7113.411.83.5
Sep33° / 24°6511.5123.1
Oct33° / 24°13317.212.12.7
Nov32° / 24°2302512.22.4
Dec31° / 24°29628.812.32.4

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 4% of December, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2595
3595
4496
5397
6397
7397
8397
9397
10397
11397
12397
13397
14397
15397
16397
17397
18397
19496
20496
21595
22595
23595
24595
25595
26595
27595
28595
29595
30694
31694

Chance of precipitation in December

Any precipitation

Kotabumi gets around 296 mm of rain over 28.8 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 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
393
493
593
693
793
893
993
1093
1194
1294
1394
1494
1594
1694
1794
1894
1994
2093
2193
2293
2393
2493
2593
2693
2792
2892
2992
3092
3192

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15050
24951
34852
44852
54753
64753
74654
84654
94654
104654
114654
124654
134753
144753
154753
164852
174852
184951
195050
205149
215248
225347
235446
245545
255644
265743
275842
285941
296040
306139
316238

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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 h 18 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 5:42 AM to 5:55 AM, and sunset from 5:58 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:425:58
212.35:435:58
312.35:435:59
412.35:435:59
512.35:446:00
612.35:446:00
712.35:456:01
812.35:456:01
912.35:456:02
1012.35:466:02
1112.35:466:03
1212.35:476:03
1312.35:476:04
1412.35:476:04
1512.35:486:04
1612.35:486:05
1712.35:496:05
1812.35:496:06
1912.35:506:06
2012.35:506:07
2112.35:516:07
2212.35:516:08
2312.35:526:08
2412.35:526:09
2512.35:526:09
2612.35:536:10
2712.35:536:10
2812.35:546:11
2912.35:546:11
3012.35:556:11
3112.35:556:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.48 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 5.72 kWh/m² in September across the year — December's 4.48 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.6Bright
Planning a trip in December

Is December a good time to visit Kotabumi?

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

2.4
Sightseeing
9th-best month of the year
3.6
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Kotabumi.

What to pack for Kotabumi in December

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

In December, Kotabumi sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Kotabumi 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 Kotabumi peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 17 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 highExtremeExtremeFeb 22UV 15Nov 17UV 9
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct13Extreme
Nov9Very high
Dec12Extreme

Air quality in Kotabumi 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 Kotabumi is worst in October — around 82 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (January, 30 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorOct 1380 µg/m³Jan 2330 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb31Moderate
Mar36Poor
Apr39Poor
May39Poor
Jun43Poor
Jul47Poor
Aug51Poor
Sep71Unhealthy
Oct82Unhealthy
Nov54Poor
Dec37Poor
Location & terrain

Where is Kotabumi?

Kotabumi sits at 4.8°S, 104.9°E, 37 m above sea level, in Indonesia. The nearest listed city is Terbanggi Besar, 38 km away.

Topography around Kotabumi

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

Within 3 km, the terrain around Kotabumi has only modest variations in elevation — a maximum elevation change of 32 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,072 m.

The land around Kotabumi is covered by trees (64%) and artificial surfaces (30%) within 3 km, trees (82%) within 16 km, and trees (82%) within 80 km.

3 km
32 m
16 km
109 m
80 km
2,072 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Terbanggi Besar 38 km · Metro 57 km · Bandar Lampung 79 km · Baturaja 111 km · Tanjungagung 155 km · Prabumulih 171 km · Indralaya 176 km · Cilegon 185 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 Kotabumi (-4.8251°, 104.8817°, elevation 37 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).