Weleri weather in October

In October, Weleri sees average daytime highs of 27°C and overnight lows near 23°C, with 188 mm of rain across 19.5 wet days and about 12.2 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 19% 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 12 min by month's end. Set against the rest of the year, October is Weleri's 6th-clearest and 9th-windiest month. For the whole year in context, see Weleri's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
23°
10th coldest
Rainfall
188 mm
19.5 wet days
Daylight
12 h 12 min
5:20 AM – 5:29 PM
Cloud cover
68%
6th clearest
Wind
6 km/h
9th windiest
Solar energy
5.88 kWh/m²
Travel score
5.0
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical October day in Weleri reaches about 27°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, October runs on par with September and on par with November.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12723
22723
32723
42723
52723
62723
72723
82723
92723
102723
112723
122723
132723
142723
152723
162723
172723
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302723
312723

Weleri weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 23°49030.412.43.4
Feb26° / 23°45727.612.23.4
Mar26° / 23°43830.3123.4
Apr27° / 23°31627.111.93.8
May27° / 24°13920.411.75.0
Jun26° / 23°9414.311.65.9
Jul26° / 23°6011.911.66.5
Aug26° / 23°4911.711.86.5
Sep26° / 23°7312.7126.2
Oct27° / 23°18819.512.25.0
Nov27° / 23°39827.312.33.8
Dec26° / 23°57029.812.43.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34456
44357
54357
64258
74159
84159
94159
104159
114159
124060
134060
144060
153961
163862
173763
183763
193565
203565
213466
223268
233268
243169
253070
262971
272971
282872
292674
302674
312575

Chance of precipitation in October

Any precipitation

Weleri gets around 188 mm of rain over 19.5 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 64% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
153
253
354
454
555
655
756
856
957
1058
1159
1259
1360
1461
1562
1662
1763
1864
1965
2066
2167
2268
2369
2470
2571
2672
2774
2875
2976
3078
3179

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
146135
245937
345838
445739
545541
645442
745244
835245
935047
1034948
1134850
1234651
1324553
1424355
1524256
1624157
1713960
1813861
1913762
2013564
2103367
2203268
2303070
2402971
2502773
2602575
2702476
2802278
2902179
3001981
3101783

Wind in October

Winds average 6 km/h in October.

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

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
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 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over October. Sunrise moves from 5:27 AM to 5:16 AM, and sunset from 5:31 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:275:31
212.15:265:30
312.15:265:30
412.15:255:30
512.15:255:30
612.15:245:30
712.15:245:30
812.15:235:30
912.15:235:30
1012.15:235:30
1112.15:225:30
1212.15:225:30
1312.15:215:30
1412.15:215:29
1512.25:205:29
1612.25:205:29
1712.25:205:29
1812.25:195:29
1912.25:195:29
2012.25:195:30
2112.25:185:30
2212.25:185:30
2312.25:185:30
2412.25:175:30
2512.25:175:30
2612.25:175:30
2712.25:175:30
2812.25:175:30
2912.25:165:30
3012.25:165:30
3112.25:165:31

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.88 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.07 kWh/m² in September across the year — October's 5.88 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Bright
116.0Bright
126.0Bright
136.0Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in October

Hazard calendar for Weleri

In seasonPeak

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

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

Weleri's rainy season runs November–April, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Weleri?

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

5.0
Sightseeing
5th-best month of the year
5.0
Beach & pool
5th-best month of the year

October is a reasonable time to visit Weleri for sightseeing.

What to pack for Weleri in October

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

In October, Weleri sees daytime highs around 27°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

Sea temperature near Weleri in October

The nearest coast averages about 29°C in October — 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
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Weleri in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Weleri peaks around March 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 14UV 14Nov 15UV 7
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct10Extreme
Nov6High
Dec12Extreme

Air quality in Weleri 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 Weleri is worst in May — around 45 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorMay 1445 µg/m³Feb 1131 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb30Moderate
Mar38Poor
Apr43Poor
May45Poor
Jun41Poor
Jul36Poor
Aug36Poor
Sep38Poor
Oct39Poor
Nov38Poor
Dec34Moderate
Location & terrain

Where is Weleri?

Weleri sits at 7.0°S, 110.1°E, 17 m above sea level, in Indonesia. The nearest listed city is Semarang, 39 km away.

Topography around Weleri

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

Within 3 km, the terrain around Weleri has only modest variations in elevation — a maximum elevation change of 220 m around an average of 30 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 757 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,293 m.

The land around Weleri is covered by cropland (40%), trees (37%) and artificial surfaces (21%) within 3 km, trees (46%), cropland (23%) and water (21%) within 16 km, and trees (49%) and water (31%) within 80 km.

3 km
220 m
16 km
757 m
80 km
3,293 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Semarang 39 km · Ungaran 42 km · Pekalongan 44 km · Kedungwuni 46 km · Wonosobo 47 km · Ambarawa 49 km · Wonopringgo 50 km · Mranggen 50 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 Weleri (-6.9713°, 110.0666°, elevation 17 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).