Slawi weather in October

In October, Slawi sees average daytime highs of 30°C and overnight lows near 24°C, with 171 mm of rain across 19.8 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°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 12 min by month's end. Set against the rest of the year, October is Slawi's 6th-clearest and 3rd-windiest month. For the whole year in context, see Slawi's year-round climate.

Daytime high
30°
1st warmest
Overnight low
24°
7th coldest
Rainfall
171 mm
19.8 wet days
Daylight
12 h 12 min
5:24 AM – 5:33 PM
Cloud cover
73%
6th clearest
Wind
5 km/h
3rd windiest
Solar energy
5.79 kWh/m²
Travel score
3.9
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical October day in Slawi reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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 on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
272924
282924
292924
302924
312924

How October really feels in Slawi

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

Slawi weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°47230.412.42.9
Feb29° / 24°44327.712.22.8
Mar29° / 24°41530.5122.8
Apr30° / 24°31228.111.92.9
May30° / 24°16622.111.73.7
Jun29° / 24°9915.111.64.7
Jul29° / 23°6410.811.65.6
Aug29° / 22°397.511.85.9
Sep29° / 23°6310125.2
Oct30° / 24°17119.812.23.9
Nov29° / 24°35027.412.33.0
Dec29° / 24°45929.912.42.8

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 19% of October, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23862
33862
43763
53763
63664
73664
83565
93466
103466
113466
123466
133367
143367
153268
163169
173169
182971
192971
202872
212674
222674
232575
242377
252377
262377
272179
282179
292179
302179
312080

Chance of precipitation in October

Any precipitation

Slawi gets around 171 mm of rain over 19.8 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 63% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
145
247
348
449
550
651
753
854
955
1056
1158
1259
1360
1461
1562
1663
1764
1865
1967
2068
2170
2271
2372
2473
2574
2676
2777
2878
2979
3080
3181

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
137630
236640
334660
433670
531690
630700
728711
827721
925741
1023761
1122771
1221781
1319801
1418811
1517821
1616831
1715841
1814851
1913861
2012871
2111881
2210891
239901
248911
258911
267921
276931
285941
295941
304951
313961

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:31 AM to 5:20 AM, and sunset from 5:34 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:315:34
212.15:305:34
312.15:305:34
412.15:295:34
512.15:295:34
612.15:285:34
712.15:285:34
812.15:275:34
912.15:275:33
1012.15:265:33
1112.15:265:33
1212.15:255:33
1312.15:255:33
1412.15:255:33
1512.25:245:33
1612.25:245:33
1712.25:235:33
1812.25:235:33
1912.25:235:33
2012.25:225:33
2112.25:225:33
2212.25:225:33
2312.25:215:33
2412.25:215:33
2512.25:215:34
2612.25:215:34
2712.25:205:34
2812.25:205:34
2912.25:205:34
3012.25:205:34
3112.25:205:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.79 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 5.95 kWh/m² in September across the year — October's 5.79 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in October

Hazard calendar for Slawi

In seasonPeak

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

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

Slawi'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 Slawi?

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

3.9
Sightseeing
5th-best month of the year
5.3
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Slawi.

What to pack for Slawi in October

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

In October, Slawi sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Slawi 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
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Slawi in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Slawi 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 Slawi 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 Slawi 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 Slawi?

Slawi sits at 7.0°S, 109.1°E, 43 m above sea level, in Indonesia. The nearest listed city is Adiwerna, 5.0 km away.

Topography around Slawi

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

Within 3 km, the terrain around Slawi has only modest variations in elevation — a maximum elevation change of 45 m around an average of 40 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 764 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Slawi is covered by artificial surfaces (37%), trees (36%) and cropland (21%) within 3 km, cropland (37%) and trees (35%) within 16 km, and trees (47%) and water (29%) within 80 km.

3 km
45 m
16 km
764 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Adiwerna 5.0 km · Tarub 6.0 km · Lebaksiu 8.0 km · Balapulang 9.0 km · Dukuhturi 11 km · Tegal 12 km · Margasari 18 km · Bulakamba 24 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 Slawi (-6.9816°, 109.1407°, elevation 43 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).