Trenggalek weather in October

In October, Trenggalek sees average daytime highs of 29°C and overnight lows near 22°C, with 123 mm of rain across 19 wet days and about 12.2 hours of daylight. It is the 7th-warmest and 7th-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 11% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 18 min by month's end. Set against the rest of the year, October is Trenggalek's 6th-clearest and 4th-windiest month. For the whole year in context, see Trenggalek's year-round climate.

Daytime high
29°
7th warmest
Overnight low
22°
5th coldest
Rainfall
123 mm
19 wet days
Daylight
12 h 12 min
5:13 AM – 5:24 PM
Cloud cover
72%
6th clearest
Wind
7 km/h
4th windiest
Solar energy
5.7 kWh/m²
Travel score
4.1
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

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

A typical October day in Trenggalek reaches about 29°C in the afternoon and slips back to 22°C overnight — a 8°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, October runs about 1°C warmer than September and on par with November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72922
82922
92922
102922
112922
122922
132922
142922
152922
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How October really feels in Trenggalek

Once humidity and wind are folded in, October averages 18 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
18
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Trenggalek weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 7th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33070
42971
53070
63070
73070
83169
93169
103169
113169
123169
133169
143169
153070
163070
173070
183070
193070
202872
212872
222872
232674
242674
252575
262476
272377
282278
292278
302278
312278

Chance of precipitation in October

Any precipitation

Trenggalek gets around 123 mm of rain over 19 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 61% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
147
248
349
450
551
652
753
854
955
1056
1157
1257
1358
1459
1560
1661
1762
1863
1964
2065
2166
2267
2367
2468
2569
2670
2771
2872
2974
3075
3176

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
115544
215445
325147
425048
524950
614752
714653
814455
914356
1014158
1114059
1213960
1313861
1413663
1503565
1603466
1703367
1803169
1903070
2002971
2102872
2202773
2302674
2402575
2502476
2602278
2702179
2802080
2901981
3001783
3101684

Wind in October

Winds average 7 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over October. Sunrise moves from 5:20 AM to 5:08 AM, and sunset from 5:24 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:205:24
212.15:195:24
312.15:195:24
412.15:185:24
512.15:185:24
612.15:175:24
712.15:175:24
812.15:165:24
912.15:165:24
1012.15:155:24
1112.15:155:24
1212.25:145:24
1312.25:145:24
1412.25:145:24
1512.25:135:24
1612.25:135:24
1712.25:125:24
1812.25:125:24
1912.25:125:24
2012.25:115:24
2112.25:115:24
2212.25:115:24
2312.25:105:24
2412.25:105:24
2512.25:105:24
2612.35:095:24
2712.35:095:25
2812.35:095:25
2912.35:095:25
3012.35:085:25
3112.35:085:25

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.7 kWh/m² — the sunniest month for solar.

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 — October's 5.7 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in October

Hazard calendar for Trenggalek

In seasonPeak

None of Trenggalek's seasonal hazards are active in October. 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 October a good time to visit Trenggalek?

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

4.1
Sightseeing
6th-best month of the year
5.4
Beach & pool
6th-best month of the year

October is a reasonable time to visit Trenggalek for sightseeing.

What to pack for Trenggalek in October

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

In October, Trenggalek sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Trenggalek in October

The nearest coast averages about 26°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 13 (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 October

GoodModeratePoorUnhealthyVery unhealthy

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