Tegal weather in December

In December, Tegal sees average daytime highs of 29°C and overnight lows near 26°C, with 343 mm of rain across 28.9 wet days and about 12.4 hours of daylight. It is the 7th-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 2% of the time in December, and the air most often feels miserable.

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 Tegal's 11th-clearest and 5th-windiest month. For the whole year in context, see Tegal's year-round climate.

Daytime high
29°
7th warmest
Overnight low
26°
9th coldest
Rainfall
343 mm
28.9 wet days
Daylight
12 h 24 min
5:28 AM – 5:52 PM
Cloud cover
88%
11th clearest
Wind
8 km/h
5th windiest
Solar energy
5.01 kWh/m²
Travel score
2.9
out of 10

Tegal is city in Central Java Province, Indonesia.

Density
7,489/km²
people per km²
Founded
1580

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 Tegal reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How December really feels in Tegal

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.

Tegal weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°39229.712.43.0
Feb29° / 26°34127.212.22.9
Mar29° / 26°29029.5122.9
Apr29° / 26°21926.211.93.2
May30° / 27°12419.411.74.1
Jun29° / 26°8213.111.65.0
Jul29° / 25°518.911.65.8
Aug29° / 25°266.311.86.2
Sep29° / 26°376.7125.7
Oct30° / 26°10314.912.24.6
Nov29° / 26°22724.412.33.4
Dec29° / 26°34328.912.42.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
4991
5991
6991
71090
8991
9991
10991
11991
12991
13892
14892
15892
16892
17892
18892
19892
20892
21892
22892
23892
24892
25793
26793
27793
28793
29793
30793
31892

Chance of precipitation in December

Any precipitation

Tegal gets around 343 mm of rain over 28.9 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 93% and peaks near 95% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
290
390
490
591
691
792
892
993
1093
1193
1294
1394
1494
1595
1695
1795
1895
1994
2094
2194
2294
2394
2494
2594
2694
2794
2894
2993
3093
3193

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the miserable band about 71% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13169
23070
33070
42971
52872
62872
72773
82674
92674
102575
112575
122575
132674
142674
152773
162773
172773
182872
192872
202971
212971
223070
233070
243169
253169
263169
273169
283169
293169
303169
313268

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:22 AM to 5:35 AM, and sunset from 5:44 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:225:44
212.45:225:45
312.45:235:45
412.45:235:46
512.45:235:46
612.45:245:47
712.45:245:47
812.45:245:48
912.45:255:48
1012.45:255:49
1112.45:265:49
1212.45:265:50
1312.45:265:50
1412.45:275:51
1512.45:275:51
1612.45:285:52
1712.45:285:52
1812.45:295:52
1912.45:295:53
2012.45:305:53
2112.45:305:54
2212.45:305:54
2312.45:315:55
2412.45:315:55
2512.45:325:56
2612.45:325:56
2712.45:335:57
2812.45:335:57
2912.45:345:58
3012.45:345:58
3112.45:355:58

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.01 kWh/m².

For context, solar energy here swings from a low near 4.97 kWh/m² to a high of 6.39 kWh/m² in September across the year — December's 5.01 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Tegal

In seasonPeak

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

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

Tegal's monsoon runs November–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 Tegal?

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

2.9
Sightseeing
10th-best month of the year
3.9
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Tegal.

What to pack for Tegal in December

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

In December, Tegal sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Tegal 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 offshore is warmest in May at about 30°C and coldest in February 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
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Tegal 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 Tegal peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 15UV 14Nov 16UV 6
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov6High
Dec12Extreme

Air quality in Tegal 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 Tegal is worst in May — around 42 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateMay 1641 µg/m³Feb 1231 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb31Moderate
Mar37Poor
Apr38Poor
May42Poor
Jun38Poor
Jul35Moderate
Aug35Moderate
Sep36Poor
Oct37Poor
Nov34Moderate
Dec33Moderate
Location & terrain

Where is Tegal?

Tegal sits at 6.9°S, 109.1°E, 7 m above sea level, in Indonesia. The nearest listed city is Dukuhturi, 7.0 km away.

Topography around Tegal

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

Within 3 km, the terrain around Tegal has only modest variations in elevation — a maximum elevation change of 17 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 152 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Tegal is covered by artificial surfaces (60%) within 3 km, water (41%) and cropland (27%) within 16 km, and trees (44%) and water (34%) within 80 km.

3 km
17 m
16 km
152 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Dukuhturi 7.0 km · Adiwerna 8.0 km · Tarub 8.0 km · Slawi 12 km · Lebaksiu 20 km · Bulakamba 20 km · Balapulang 20 km · Pemalang 27 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 Tegal (-6.8694°, 109.1402°, elevation 7 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. 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).