Lahat weather in December

In December, Lahat sees average daytime highs of 30°C and overnight lows near 23°C, with 301 mm of rain across 27.8 wet days and about 12.2 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°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 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Lahat's 12th-clearest and 7th-windiest month. For the whole year in context, see Lahat's year-round climate.

Daytime high
30°
10th warmest
Overnight low
23°
7th coldest
Rainfall
301 mm
27.8 wet days
Daylight
12 h 12 min
5:55 AM – 6:09 PM
Cloud cover
93%
12th clearest
Wind
5 km/h
7th windiest
Solar energy
4.47 kWh/m²
Travel score
2.8
out of 10

Lahat is capital of Lahat Regency, South Sumatra 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 30°C through the month.

A typical December day in Lahat reaches about 30°C in the afternoon and slips back to 23°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 on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
242923
252923
262923
272923
282923
292923
302923
312923

How December really feels in Lahat

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.

Lahat weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°27428.712.22.9
Feb30° / 23°25425.812.12.9
Mar30° / 23°27728122.8
Apr30° / 23°26527.611.92.6
May31° / 23°15622.711.83.2
Jun31° / 22°9216.411.83.9
Jul31° / 22°9014.711.84.0
Aug32° / 23°7312.311.93.7
Sep32° / 23°9712.3123.5
Oct32° / 23°19519.512.13.0
Nov31° / 23°29126.412.22.7
Dec30° / 23°30127.812.22.8

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 (%)
1397
2397
3397
4397
5298
6298
7199
8298
9298
10298
11298
12298
13298
14298
15298
16298
17298
18298
19298
20298
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298
31397

Chance of precipitation in December

Any precipitation

Lahat gets around 301 mm of rain over 27.8 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 90% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
291
391
491
591
690
790
890
990
1090
1191
1291
1391
1491
1591
1691
1791
1891
1991
2091
2190
2290
2390
2490
2590
2690
2790
2890
2990
3090
3190

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11963
21963
31963
41972
51972
61972
71972
81972
91972
101972
111972
121972
131972
141981
151981
161981
171981
182971
192971
201981
211981
221972
231972
241972
251972
261972
271972
281972
291972
301981
311981

Wind in December

Winds average 5 km/h in December.

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
95calm
105calm
115calm
125calm
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 12 min at the start of December to 12 h 12 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 5:49 AM to 6:02 AM, and sunset from 6:02 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:496:02
212.25:506:02
312.25:506:03
412.25:516:03
512.25:516:03
612.25:516:04
712.25:526:04
812.25:526:05
912.25:526:05
1012.25:536:06
1112.25:536:06
1212.25:546:07
1312.25:546:07
1412.25:556:08
1512.25:556:08
1612.25:556:09
1712.25:566:09
1812.25:566:09
1912.25:576:10
2012.25:576:10
2112.25:586:11
2212.25:586:11
2312.25:596:12
2412.25:596:12
2512.26:006:13
2612.26:006:13
2712.26:016:14
2812.26:016:14
2912.26:026:15
3012.26:026:15
3112.26:026:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.47 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 5.86 kWh/m² in September across the year — December's 4.47 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
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Is December a good time to visit Lahat?

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

2.8
Sightseeing
9th-best month of the year
3.9
Beach & pool
8th-best month of the year

December is a weaker month for outdoor sightseeing in Lahat.

What to pack for Lahat in December

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

In December, Lahat sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

UV index in Lahat 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 Lahat peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 highExtremeFeb 19UV 15Jul 14UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul9Very high
Aug12Extreme
Sep12Extreme
Oct14Extreme
Nov10Extreme
Dec12Extreme

Air quality in Lahat 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 Lahat is worst in October — around 44 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (December, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateOct 1143 µg/m³Dec 2320 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb23Moderate
Mar25Moderate
Apr23Moderate
May24Moderate
Jun25Moderate
Jul27Moderate
Aug31Moderate
Sep41Poor
Oct44Poor
Nov28Moderate
Dec20Moderate
Location & terrain

Where is Lahat?

Lahat sits at 3.8°S, 103.5°E, 115 m above sea level, in Indonesia. The nearest listed city is Tanjungagung, 34 km away.

Topography around Lahat

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

Within 3 km, the terrain around Lahat has only modest variations in elevation — a maximum elevation change of 110 m around an average of 122 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 802 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,183 m.

The land around Lahat is covered by trees (64%) and artificial surfaces (26%) within 3 km, trees (93%) within 16 km, and trees (97%) within 80 km.

3 km
110 m
16 km
802 m
80 km
3,183 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Tanjungagung 34 km · Pagar Alam 42 km · Baturaja 79 km · Prabumulih 86 km · Lubuklinggau 93 km · Curup 119 km · Indralaya 139 km · Bengkulu 142 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 Lahat (-3.7851°, 103.5428°, elevation 115 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).