Slawi i
Coastal town · Central Java

Slawi

Kabupaten Tegal · Indonesia

Now
34°
Sea temperature
30°
Local time
10:23 AM
Population
61.2K
Elevation
43 m
Best time to go
Jul–Sep
Go score 91/100
Sea temperature
30°
May
Main airport
SRG
136 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Slawi lies in Central Java, Indonesia. By our climate data, the best time to visit is July–September. The warmest month is October, with average highs of 33°C (91°F); the sea is warmest in May at about 30°C (86°F).

The best months to visit are July–September.

The sea is warmest in May, at about 30°C (86°F).

Swimming season (water ≥ 21 °C): January–December.

October is the hottest month, with highs around 33°C (91°F).

August is the coldest month, with lows around 22°C (71°F).

The wettest month is January, with rain on about 18 days.

August is the sunniest month, with about 9.5 hours of sunshine a day.

In October, it’s warmer here than in 78% of places in Indonesia.

Weather

16-day forecast

Slawi weather forecast
34°
Mainly clear
Feels like
40°
Humidity
45%
Wind
4 km/h SE
Gusts
20 km/h
Cloud cover
40%
Pressure
1013 hPa
UV index
1 (now)
Sunrise / Sunset
05:19 / 17:36

Next 48 hours

33° 10 35° 13 20% 33° 16 45% 29° 19 27° 22 25° 01 24° 04 28° 07 34° 10 36° 13 20% 33° 16 82% 29° 19 27° 22 25° 01 24° 04 27° 07
Today
Oct 20
Light drizzle
35°24°
45% 0.4 mm 11 E
Tomorrow
Oct 21
Drizzle
36°24°
82% 1.8 mm 12 NE
Thu
Oct 22
Light drizzle
35°24°
76% 0.9 mm 9 N
Fri
Oct 23
Light drizzle
35°24°
41% 0.3 mm 9 SE
Sat
Oct 24
Light drizzle
35°24°
31% 0.3 mm 8 SE
Sun
Oct 25
Drizzle
34°24°
86% 2.0 mm 9 NE
Mon
Oct 26
Light drizzle
33°25°
68% 1.0 mm 9 N
Tue
Oct 27
Drizzle
32°24°
73% 5.0 mm 8 N
Wed
Oct 28
Light drizzle
32°24°
55% 1.4 mm 8 S
Thu
Oct 29
Light drizzle
32°24°
76% 1.6 mm 4 NW
Fri
Oct 30
Light drizzle
34°25°
69% 1.6 mm 5 W
Sat
Oct 31
Light drizzle
34°25°
61% 1.0 mm 13 NE
Sun
Nov 1
Light drizzle
35°25°
71% 2.8 mm 6 W
Mon
Nov 2
Light drizzle
31°25°
80% 3.8 mm 7 NW
Tue
Nov 3
Light drizzle
35°25°
61% 2.2 mm 13 N
Wed
Nov 4
Drizzle
33°25°
65% 1.9 mm 11 S
European AQI48Moderate
PM2.528.8
PM1031.7
NO₂10.2
O₃50
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Slawi

Average conditions for each month, from long-term climate normals (1961–2020).

Best time to goJuly–September
15°20°25°30°35° 0200400 mm Jan · 373 mmFeb · 308 mmMar · 275 mmApr · 175 mmMay · 139 mmJun · 96 mmJul · 46 mmAug · 41 mmSep · 48 mmOct · 109 mmNov · 192 mmDec · 296 mm 31°31°32°32°32°32°32°32°32°33°32°31° 22°22°23°23°23°22°22°22°22°23°23°23° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Sea temperature Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high31°31°32°32°32°32°32°32°32°33°32°31°
Average low22°22°23°23°23°22°22°22°22°23°23°23°
Sea temperature29°29°29°30°30°30°29°29°29°29°30°30°
Rainfall (mm)37330827517513996464148109192296
Rain days18161614119656101518
Sunshine per day (h)5.96.67.18.28.68.49.29.59.18.77.67.1
Daylight (h)12.512.312.21211.811.711.811.912.112.312.412.5
Humidity (%)878786838281797776778083
Wind (km/h)88767891010987
Go score677268727984919187776867

The go score (0–100) favours daytime highs of 22–27 °C, mild nights, plenty of sunshine and few rainy days.

Download climate data (CSV)

Climate normals: WorldClim 2.1 (1970–2000) · CRU CL 2.0 (1961–1990) About this data: Climate normals

Activities

What to do in Slawi, month by month

When each activity is at its best, judged from the climate averages.

Rainy season: November–May Dry season: June–October (Based on average monthly rainfall)

What to do in Slawi, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorPoorFairGoodGoodGoodFairPoorPoor
Sightseeing & city walks PoorPoorPoorPoorFairFairFairFairFairFairPoorPoor
Diving & snorkelling PoorPoorPoorPoorFairGoodGoodGoodGoodGoodPoorPoor
Photography & sunsets FairFairFairFairFairFairGoodGoodGoodFairFairFair

Good Fair Poor · Estimated from long-term averages of temperature, rain days, sunshine and sea temperature.

How each activity is rated
  • Beach & swimming — Good: sea ≥ 24 °C, highs ≥ 26 °C and at most 6 rain days (or under 40 mm of rain in the month). Fair: sea ≥ 21 °C, highs ≥ 23 °C and at most 10 rain days (or under 80 mm).
  • Sightseeing & city walks — Good: highs of 15–27 °C and few rain days. Fair: 11–33 °C.
  • Diving & snorkelling — Good: sea ≥ 25 °C in a dry spell. Fair: ≥ 22 °C, or ≥ 20 °C near known dive sites.
  • Photography & sunsets — Good: at least 7 hours of sunshine a day and few rain days. Fair: 5 hours or more.
Tourist density

Slawi: tourist crowds by month

How busy it gets through the year — and the months with good weather and fewer visitors.

Tourist density
Low
Busiest months
July–August
Quietest months
November–January and March
Sweet spot
May–June and October
Good weather, fewer crowds
Very quietQuietModerateBusyVery busy ★ Sweet spot

Best value months

Good weather, fewer visitors, usually lower prices.

November–January and March

  • Jan67
  • Mar68
  • Nov68
  • Dec67

An estimate: months with a go score of 60 or more and below-average tourist numbers.

Updated: About this data: Crowds & prices

Sea

Slawi: sea water temperature

Water temperature details
Water temperature today
30°C (87°F)
How it feels: very warm
Swimming season

January–December

Tue31°
Wed31°
Thu31°
Fri31°
Sat31°
Sun31°
Mon31°

Average sea temperature by month

29° Jan 29° Feb 29° Mar 30° Apr 30° May 30° Jun 29° Jul 29° Aug 29° Sep 29° Oct 30° Nov 30° Dec

About this data: Sea temperature

Nearby beaches & coastal towns

Landmarks nearby

Mountains, castles, museums, beaches and heritage sites within 25 km.

Things to do in Slawi
Practical

Slawi: practical information

Plugs, money, emergency numbers, safety and typical prices: what to know before you go.

Power plugs
CF
Voltage
127 V · 50 Hz
Driving
Drive on the left
Currency

Indonesian Rupiah

IDR · Rp

1 USD ≈ 18,042.9 IDR

Languages
Indonesian
Calling code
+62
Emergency numbers
Safety & travel advice
2
Exercise increased cautionUS travel advisory
No travel warningsUK travel advice · Sep 18, 2026
Read the full advice
Typical prices
  • Meal, casual restaurantIDR 137,150≈ $7.60
  • CappuccinoIDR 37,200≈ $2.10
  • Beer (0.5 l)IDR 52,600≈ $2.90
  • Bottled water (1.5 l)IDR 17,350≈ $1.00
  • Taxi, 5 kmIDR 94,000≈ $5.20
  • Public transport ticketIDR 18,100≈ $1.00
  • Mid-range hotel, per nightIDR 1,302,550≈ $72.00

Estimated from Indonesia’s consumer price level — real prices vary by place and season. Prices are about 31% of US levels.

Upcoming public holidays
  • Dec 25Christmas Day
  • Jan 1New Year's Day
Sun & daylight
Sunrise
05:19
Sunset
17:36
Daylight today
12.3 h
Local time in Slawi
Earthquake history

9 earthquakes of magnitude 5 or more within 100 km in the last 51 years.

Strongest: M5.6 (1982).

Map

How to get to Slawi

Nearest airports

Distances

estimate

Hotels

Hotels in Slawi

Hotels and holiday rentals with live nightly prices.

Hotels in Slawi
Loading…

We may earn a commission when you book through this map, at no extra cost to you.

Wildlife around here

The species recorded most often within 25 km, and the months they’re seen.

Get this widget

Climate in Slawi

Add a free climate card for Slawi to your website or blog. Copy the code below.

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Slawi?

Based on climate normals, the best time to visit Slawi is July–September.

What is the weather like in Slawi in October?

In October, Slawi averages a high of 33°C (91°F) and a low of 23°C (73°F), with 109 mm of rain on about 10 days.

How warm is the sea in Slawi?

The sea is warmest in May (about 30°C (86°F)). Swimming season: January–December.

What is the rainiest month in Slawi?

January, with rain on about 18 days.

What is the nearest airport to Slawi?

Jenderal Ahmad Yani Airport (SRG), about 136 km away.

What power plugs are used in Indonesia?

Plug types C, F, at 127 V.

What currency is used in Indonesia?

Indonesian Rupiah (IDR).

What is the emergency number in Indonesia?

112.

Is Indonesia safe to visit?

US travel advisory: Exercise increased caution. UK travel advice: No travel warnings.

When is Slawi most crowded?

The busiest months are July–August.

When is Slawi least crowded?

The quietest months are November–January and March.

When is the best time to visit Slawi without the crowds?

May–June and October: good weather with fewer visitors than in peak season.

What time zone is Slawi in?

Asia/Jakarta (UTC+7).

What is the population of Slawi?

About 61,206.