Serah i
Coastal town · East Java

Serah

Gresik Regency · Indonesia

Now
24°
Sea temperature
31°
Local time
04:26 AM
Population
—
Elevation
40 m
Best time to go
Jun–Aug
Go score 96/100
Sea temperature
30°
November
Main airport
SUB
61 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Serah lies in East Java, Indonesia. By our climate data, the best time to visit is June–August. The warmest month is October, with average highs of 33°C (92°F); the sea is warmest in November at about 30°C (86°F).

The best months to visit are June–August.

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

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

October is the hottest month, with highs around 33°C (92°F).

July 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 10.6 hours of sunshine a day.

In October, it’s warmer here than in 94% of places in Indonesia.

Weather

16-day forecast

Serah weather forecast
24°
Partly cloudy
Feels like
29°
Humidity
93%
Wind
6 km/h SW
Gusts
13 km/h
Cloud cover
62%
Pressure
1013 hPa
UV index
11 (now)
Sunrise / Sunset
05:06 / 17:23

Next 48 hours

24° 04 27° 07 33° 10 34° 13 31° 16 28° 19 26° 22 25° 01 24° 04 28° 07 33° 10 34° 13 31° 16 28° 19 27° 22 25° 01
Today
Oct 20
Light drizzle
34°24°
6% 0.4 mm 11 N
Tomorrow
Oct 21
Partly cloudy
34°24°
10% 13 N
Thu
Oct 22
Light drizzle
34°24°
8% 14 NE
Fri
Oct 23
Light drizzle
34°24°
48% 14 N
Sat
Oct 24
Light drizzle
33°24°
53% 1.0 mm 11 N
Sun
Oct 25
Light drizzle
32°24°
31% 0.4 mm 14 E
Mon
Oct 26
Light drizzle
32°26°
23% 0.6 mm 14 E
Tue
Oct 27
Light drizzle
30°25°
42% 4.0 mm 12 E
Wed
Oct 28
Light drizzle
31°24°
49% 3.2 mm 10 E
Thu
Oct 29
Partly cloudy
34°25°
34% 0.8 mm 10 NE
Fri
Oct 30
Drizzle
31°26°
68% 3.8 mm 15 E
Sat
Oct 31
Light drizzle
31°26°
62% 3.4 mm 13 E
Sun
Nov 1
Light drizzle
33°26°
55% 0.6 mm 12 NE
Mon
Nov 2
Light drizzle
33°25°
56% 3.4 mm 11 NW
Tue
Nov 3
Mainly clear
31°26°
32% 2.4 mm 22 NE
Wed
Nov 4
Overcast
31°26°
32% 23 NE
European AQI77Poor
PM2.561
PM1062.6
NO₂8.8
O₃153
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Serah

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

Best time to goJune–August
15°21°28°34°40° 0150300 mm Jan · 270 mmFeb · 215 mmMar · 232 mmApr · 166 mmMay · 95 mmJun · 64 mmJul · 23 mmAug · 9 mmSep · 27 mmOct · 57 mmNov · 124 mmDec · 215 mm 30°31°31°31°31°31°31°32°33°33°32°31° 23°23°23°23°23°22°22°22°23°23°24°23° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Sea temperature Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high30°31°31°31°31°31°31°32°33°33°32°31°
Average low23°23°23°23°23°22°22°22°23°23°24°23°
Sea temperature29°29°29°30°30°29°29°28°29°29°30°30°
Rainfall (mm)27021523216695642392757124215
Rain days18171611863224715
Sunshine per day (h)6.26.56.98.38.58.89.910.610.39.78.26.7
Daylight (h)12.512.312.21211.811.711.811.912.112.312.412.5
Humidity (%)838383817976747169707480
Wind (km/h)13121091012131414121010
Go score687073838891969187848374

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 Serah, month by month

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

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

What to do in Serah, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorFairFairGoodGoodGoodGoodFairPoor
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairFairPoorFairPoor
Diving & snorkelling PoorPoorPoorFairGoodGoodGoodGoodGoodGoodGoodPoor
Photography & sunsets FairFairFairFairGoodGoodGoodGoodGoodGoodGoodFair

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.
Sea

Serah: sea water temperature

Water temperature details
Water temperature today
31°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 29° Jun 29° Jul 28° 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 Serah
Practical

Serah: 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
05:06
Sunset
17:23
Daylight today
12.3 h
Local time in Serah
Earthquake history

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

Strongest: M7 (2023).

Map

How to get to Serah

Nearest airports

Distances

estimate

Hotels

Hotels in Serah

Hotels and holiday rentals with live nightly prices.

Hotels in Serah
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Climate in Serah

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Serah?

Based on climate normals, the best time to visit Serah is June–August.

What is the weather like in Serah in October?

In October, Serah averages a high of 33°C (92°F) and a low of 23°C (74°F), with 57 mm of rain on about 4 days.

How warm is the sea in Serah?

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

What is the rainiest month in Serah?

January, with rain on about 18 days.

What is the nearest airport to Serah?

Juanda International Airport (SUB), about 61 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.

What time zone is Serah in?

Asia/Jakarta (UTC+7).