Tegal weather in January

In January, Tegal sees average daytime highs of 29°C and overnight lows near 26°C, with 392 mm of rain across 29.7 wet days and about 12.4 hours of daylight. It is the 11th-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 2% of the time in January, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of January to 12 h 18 min by month's end. Set against the rest of the year, January is Tegal's 10th-clearest and 2nd-windiest month. For the whole year in context, see Tegal's year-round climate.

Daytime high
29°
11th warmest
Overnight low
26°
5th coldest
Rainfall
392 mm
29.7 wet days
Daylight
12 h 24 min
5:42 AM – 6:03 PM
Cloud cover
88%
10th clearest
Wind
11 km/h
2nd windiest
Solar energy
4.97 kWh/m²
Travel score
3.0
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January 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 27°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

24°26°28°30°32°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
232826
242826
252826
262826
272826
282826
292826
302826
312826

How January really feels in Tegal

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tegal weather by month

How January compares with the rest of the year at a glance. January 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
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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2991
3991
4991
5991
6991
7991
81090
91090
101090
111189
121189
131189
141189
151189
161090
171090
181090
191090
20991
21991
22892
23793
24793
25793
26694
27694
28694
29694
30694
31595

Chance of precipitation in January

Any precipitation

Tegal gets around 392 mm of rain over 29.7 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 96% and peaks near 99% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
393
493
593
693
793
893
993
1093
1193
1294
1394
1495
1595
1696
1796
1897
1997
2097
2198
2298
2398
2499
2599
2699
2799
2899
2999
3099
3199

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the miserable band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13268
23268
33268
43367
53367
63367
73466
83466
93466
103466
113466
123466
133466
143466
153466
163466
173367
183367
193268
203268
213169
223169
233070
243070
253070
263070
273070
283070
293070
303070
313169

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 24 min at the start of January to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:35 AM to 5:48 AM, and sunset from 5:58 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:355:58
212.45:355:59
312.45:365:59
412.45:366:00
512.45:376:00
612.45:376:00
712.45:386:01
812.45:386:01
912.45:396:01
1012.45:396:02
1112.45:406:02
1212.45:406:02
1312.45:416:03
1412.45:416:03
1512.45:426:03
1612.45:426:03
1712.45:426:04
1812.45:436:04
1912.35:436:04
2012.35:446:04
2112.35:446:05
2212.35:446:05
2312.35:456:05
2412.35:456:05
2512.35:466:05
2612.35:466:05
2712.35:466:06
2812.35:476:06
2912.35:476:06
3012.35:476:06
3112.35:486:06

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.97 kWh/m² — the year's lowest.

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 — January's 4.97 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in January

Hazard calendar for Tegal

In seasonPeak

In January, 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 January a good time to visit Tegal?

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

3.0
Sightseeing
9th-best month of the year
3.7
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Tegal.

What to pack for Tegal in January

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

In January, Tegal sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Tegal in January

The nearest coast averages about 29°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).