Trenggalek weather in August

In August, Trenggalek sees average daytime highs of 28°C and overnight lows near 20°C, with 28 mm of rain across 7.7 wet days and about 11.7 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 12% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Trenggalek's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Trenggalek's year-round climate.

Daytime high
28°
11th warmest
Overnight low
20°
1st coldest
Rainfall
28 mm
7.7 wet days
Daylight
11 h 42 min
5:45 AM – 5:29 PM
Cloud cover
65%
2nd clearest
Wind
8 km/h
2nd windiest
Solar energy
5.08 kWh/m²
Travel score
6.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Trenggalek reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

How August really feels in Trenggalek

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Trenggalek weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°36428.812.42.8
Feb30° / 22°3512712.32.7
Mar30° / 23°33628.712.12.8
Apr30° / 23°23026.211.83.0
May29° / 22°11218.411.64.3
Jun29° / 21°7113.511.55.1
Jul28° / 20°429.611.66.3
Aug28° / 20°287.711.76.5
Sep29° / 21°539.9125.5
Oct29° / 22°1231912.24.1
Nov30° / 23°27226.212.43.0
Dec30° / 23°36028.212.52.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 26% of August, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34159
44159
54258
64159
74159
84159
94060
104060
113961
123961
133961
143862
153862
163862
173763
183763
193763
203763
213664
223565
233565
243664
253664
263664
273565
283664
293664
303664
313664

Chance of precipitation in August

Any precipitation

Trenggalek gets around 28 mm of rain over 7.7 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
324
425
525
625
725
825
925
1025
1125
1225
1325
1425
1525
1625
1724
1824
1924
2024
2124
2224
2324
2424
2524
2624
2724
2825
2925
3026
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
197219
2107218
3107218
4117118
5117019
6126919
7136720
8136720
9146620
10146521
11146521
12146521
13146521
14146521
15146521
16146620
17146620
18146620
19146719
20146719
21136819
22136918
23127018
24127018
25117118
26117118
27107119
2897219
2997120
3097120
3187121

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 36 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over August. Sunrise moves from 5:50 AM to 5:38 AM, and sunset from 5:29 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:505:29
211.65:505:29
311.75:495:29
411.75:495:29
511.75:495:29
611.75:495:29
711.75:485:29
811.75:485:29
911.75:485:29
1011.75:475:29
1111.75:475:29
1211.75:475:29
1311.75:465:29
1411.75:465:29
1511.75:465:29
1611.75:455:29
1711.75:455:29
1811.75:445:29
1911.85:445:29
2011.85:445:29
2111.85:435:29
2211.85:435:29
2311.85:425:29
2411.85:425:29
2511.85:415:29
2611.85:415:29
2711.85:405:29
2811.85:405:29
2911.85:395:29
3011.85:395:28
3111.85:385:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.08 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 5.7 kWh/m² in October across the year — August's 5.08 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in August

Hazard calendar for Trenggalek

In seasonPeak

None of Trenggalek's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

Trenggalek'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 August a good time to visit Trenggalek?

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

6.5
Sightseeing
1st-best month of the year
7.0
Beach & pool
1st-best month of the year

August is a reasonable time to visit Trenggalek for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Trenggalek in August

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

In August, Trenggalek sees daytime highs around 28°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Trenggalek in August

The nearest coast averages about 25°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 34 km away) is warmest in March at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov28Warm
Dec29Tropical

UV index in Trenggalek in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Trenggalek peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Jun 16UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May10Very high
Jun7High
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov10Extreme
Dec13Extreme

Air quality in Trenggalek in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Trenggalek is worst in April — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2133 µg/m³Sep 1723 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb25Moderate
Mar29Moderate
Apr34Moderate
May33Moderate
Jun31Moderate
Jul27Moderate
Aug24Moderate
Sep23Moderate
Oct24Moderate
Nov25Moderate
Dec23Moderate
Location & terrain

Where is Trenggalek?

Trenggalek sits at 8.1°S, 111.7°E, 113 m above sea level, in Indonesia. The nearest listed city is Boyolangu, 21 km away.

Topography around Trenggalek

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

Within 3 km, the terrain around Trenggalek has significant variations in elevation — a maximum elevation change of 347 m around an average of 128 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 973 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,227 m.

The land around Trenggalek is covered by trees (49%) and cropland (31%) within 3 km, trees (80%) within 16 km, and trees (52%) and water (25%) within 80 km.

3 km
347 m
16 km
973 m
80 km
3,227 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Boyolangu 21 km · Tulungagung 22 km · Kedungwaru 23 km · Ngunut 34 km · Ponorogo 35 km · Kediri 45 km · Gampengrejo 50 km · Blitar 51 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 Trenggalek (-8.0764°, 111.7064°, elevation 113 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).