Sidayu i
Coastal town · East Java

Sidayu

Gresik Regency · Indonesia

Now
25°
Sea temperature
31°
Local time
12:34 AM
Population
—
Elevation
14 m
Best time to go
Jul–Aug
Go score 96/100
Sea temperature
30°
November
Main airport
SUB
49 km
Time zone
UTC+7
Asia/Jakarta
At a glance

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

The best months to visit are July–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 (91°F).

July is the coldest month, with lows around 22°C (72°F).

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

August is the sunniest month, with about 10.8 hours of sunshine a day.

In October, it’s warmer here than in 86% of places in Indonesia.

Weather

16-day forecast

Sidayu weather forecast
25°
Overcast
Feels like
30°
Humidity
87%
Wind
6 km/h W
Gusts
10 km/h
Cloud cover
94%
Pressure
1011 hPa
UV index
7 (now)
Sunrise / Sunset
05:05 / 17:23

Next 48 hours

25° 00 24° 03 26° 06 31° 09 34° 12 32° 15 29° 18 27° 21 25° 00 24° 03 26° 06 31° 09 34° 12 31° 15 28° 18 27° 21
Today
Oct 23
Light drizzle
34°24°
10% 14 NE
Tomorrow
Oct 24
Light drizzle
34°24°
10% 13 E
Sun
Oct 25
Light drizzle
33°24°
29% 12 NE
Mon
Oct 26
Dense drizzle
32°24°
80% 3.5 mm 14 NE
Tue
Oct 27
Dense drizzle
31°23°
80% 14 mm 12 E
Wed
Oct 28
Rain showers
31°24°
53% 6.9 mm 14 SE
Thu
Oct 29
Light drizzle
32°24°
40% 1.2 mm 10 SW
Fri
Oct 30
Light drizzle
33°25°
57% 12 E
Sat
Oct 31
Light drizzle
32°25°
33% 1.6 mm 12 E
Sun
Nov 1
Light drizzle
33°26°
52% 1.2 mm 10 E
Mon
Nov 2
Light drizzle
32°25°
55% 3.6 mm 11 E
Tue
Nov 3
Light drizzle
33°26°
58% 0.6 mm 12 E
Wed
Nov 4
Light drizzle
32°26°
63% 2.2 mm 13 NE
Thu
Nov 5
Light drizzle
33°26°
50% 2.0 mm 9 E
Fri
Nov 6
Mainly clear
32°27°
39% 0.3 mm 24 NE
Sat
Nov 7
Overcast
31°27°
0% 0.4 mm 24 NE
European AQI191Extremely poor
PM2.582
PM1084.1
NO₂4.5
O₃271
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Sidayu

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

Best time to goJuly–August
20°25°30°35°40° 0150300 mm Jan · 264 mmFeb · 210 mmMar · 226 mmApr · 170 mmMay · 97 mmJun · 69 mmJul · 24 mmAug · 9 mmSep · 26 mmOct · 54 mmNov · 116 mmDec · 206 mm 31°31°31°31°32°32°31°32°33°33°32°31° 23°23°23°24°24°23°22°22°23°24°24°23° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Sea temperature Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high31°31°31°31°32°32°31°32°33°33°32°31°
Average low23°23°23°24°24°23°22°22°23°24°24°23°
Sea temperature29°29°29°30°30°29°29°28°29°29°30°29°
Rainfall (mm)26421022617097692492654116206
Rain days18171611763223615
Sunshine per day (h)6.26.66.98.48.58.91010.810.49.88.26.7
Daylight (h)12.512.312.21211.811.711.811.912.112.312.412.5
Humidity (%)828383817976747169707480
Wind (km/h)13121091012131414121010
Go score687073838790969389868374

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 Sidayu, 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 Sidayu, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorFairGoodGoodGoodGoodGoodFairPoor
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairFairFairFairPoor
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.

Rainy season in Indonesia: October–May · Wettest month: January Month by month

Sea

Sidayu: sea water temperature

Water temperature details
Water temperature today
31°C (88°F)
How it feels: very warm

Wave height: 0.2 m

Swimming season

January–December

Fri31°
Sat31°
Sun31°
Mon31°
Tue31°
Wed31°
Thu32°

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 29° 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 Sidayu
Practical

Sidayu: 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 ≈ 18,042.7 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 1,302,500≈ $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
05:05
Sunset
17:23
Daylight today
12.3 h
Local time in Sidayu
Earthquake history

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

Strongest: M5.6 (1978).

Map

How to get to Sidayu

Nearest airports

Distances

estimate

Hotels

Hotels in Sidayu

Hotels and holiday rentals with live nightly prices.

Hotels in Sidayu
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Climate in Sidayu

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Sidayu?

Based on climate normals, the best time to visit Sidayu is July–August.

What is the weather like in Sidayu in October?

In October, Sidayu averages a high of 33°C (91°F) and a low of 24°C (75°F), with 54 mm of rain on about 3 days.

How warm is the sea in Sidayu?

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

What is the rainiest month in Sidayu?

January, with rain on about 18 days.

What is the nearest airport to Sidayu?

Juanda International Airport (SUB), about 49 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 Sidayu in?

Asia/Jakarta (UTC+7).