Coastal town · East Java

Gemulung

Kabupaten Tuban · Indonesia

Now
25°
Sea temperature
30°
Local time
12:23 AM
Population
—
Elevation
90 m
Best time to go
Jul
Go score 95/100
Sea temperature
30°
November
Main airport
SUB
122 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Gemulung lies in East Java, Indonesia. By our climate data, the best time to visit is July. The warmest month is September, with average highs of 34°C (92°F); the sea is warmest in November at about 30°C (86°F).

The best months to visit are July.

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

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

September is the hottest month, with highs around 34°C (92°F).

July is the coldest month, with lows around 21°C (70°F).

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

August is the sunniest month, with about 10.1 hours of sunshine a day.

In October, it’s warmer here than in 93% of places in Indonesia.

Weather

16-day forecast

Gemulung weather forecast
25°
Overcast
Feels like
30°
Humidity
92%
Wind
5 km/h SE
Gusts
11 km/h
Cloud cover
100%
Pressure
1013 hPa
UV index
0 (now)
Sunrise / Sunset
05:07 / 17:26

Next 48 hours

25° 00 24° 03 25° 06 28° 09 35% 28° 12 89% 27° 15 100% 25° 18 80% 25° 21 57% 24° 00 38% 24° 03 28% 25° 06 29° 09 28° 12 70% 28° 15 93% 26° 18 93% 25° 21 34%
Today
Oct 27
Dense drizzle
29°24°
100% 6.4 mm 12 E
Tomorrow
Oct 28
Dense drizzle
30°24°
95% 8.2 mm 9 S
Thu
Oct 29
Drizzle
33°23°
53% 1.2 mm 10 SE
Fri
Oct 30
Dense drizzle
31°24°
95% 6.5 mm 9 SE
Sat
Oct 31
Light drizzle
32°24°
66% 2.3 mm 7 SE
Sun
Nov 1
Light drizzle
32°24°
88% 2.3 mm 10 SE
Mon
Nov 2
Drizzle
31°25°
90% 5.4 mm 11 SE
Tue
Nov 3
Light drizzle
33°25°
96% 1.8 mm 7 SE
Wed
Nov 4
Light drizzle
32°25°
83% 3.0 mm 8 SE
Thu
Nov 5
Light drizzle
33°25°
70% 1.4 mm 9 SE
Fri
Nov 6
Light drizzle
32°25°
63% 1.4 mm 8 E
Sat
Nov 7
Light drizzle
32°25°
59% 6.2 mm 12 E
Sun
Nov 8
Light drizzle
32°25°
75% 1.4 mm 10 E
Mon
Nov 9
Drizzle
32°24°
73% 5.8 mm 12 SE
Tue
Nov 10
Light drizzle
36°27°
56% 0.6 mm 24 E
Wed
Nov 11
Overcast
34°27°
0% 1.9 mm 20 E
European AQI56Moderate
PM2.542.3
PM1044.6
NO₂23.4
O₃30
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Gemulung

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

Best time to goJuly
15°21°28°34°40° 0125250 mm Jan · 238 mmFeb · 185 mmMar · 224 mmApr · 143 mmMay · 101 mmJun · 51 mmJul · 30 mmAug · 17 mmSep · 34 mmOct · 78 mmNov · 159 mmDec · 243 mm 30°30°31°31°31°31°32°33°34°33°32°31° 22°22°22°23°23°22°21°21°22°23°23°22° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Sea temperature Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high30°30°31°31°31°31°32°33°34°33°32°31°
Average low22°22°22°23°23°22°21°21°22°23°23°22°
Sea temperature29°29°29°30°30°29°29°28°29°29°30°29°
Rainfall (mm)2381852241431015130173478159243
Rain days181816129733351016
Sunshine per day (h)5.866.57.88.18.39.410.19.89.38.16.3
Daylight (h)12.512.312.21211.811.711.811.912.112.312.412.5
Humidity (%)848484828077747170717681
Wind (km/h)12121091012141515131111
Go score676871828688958983817971

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 Gemulung, 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 Gemulung, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorFairFairGoodGoodGoodGoodFairPoor
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairPoorPoorFairPoor
Diving & snorkelling PoorPoorPoorFairGoodGoodGoodGoodGoodGoodGoodPoor
Photography & sunsets FairFairFairFairFairGoodGoodGoodGoodGoodFairFair

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

Gemulung: sea water temperature

Water temperature details
Water temperature today
30°C (86°F)
How it feels: very warm
Swimming season

January–December

Tue30°
Wed30°
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 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 Gemulung
Practical

Gemulung: 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 ≈ 18,107.8 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 137,650≈ $7.60
  • CappuccinoIDR 37,350≈ $2.10
  • Beer (0.5 l)IDR 52,800≈ $2.90
  • Bottled water (1.5 l)IDR 17,450≈ $1.00
  • Taxi, 5 kmIDR 94,350≈ $5.20
  • Public transport ticketIDR 18,150≈ $1.00
  • Mid-range hotel, per nightIDR 1,307,200≈ $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
05:07
Sunset
17:26
Daylight today
12.3 h
Local time in Gemulung
Earthquake history

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

Strongest: M7 (2023).

Map

How to get to Gemulung

Nearest airports

Distances

estimate

Hotels

Hotels in Gemulung

Hotels and holiday rentals with live nightly prices.

Hotels in Gemulung
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Climate in Gemulung

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Gemulung?

Based on climate normals, the best time to visit Gemulung is July.

What is the weather like in Gemulung in October?

In October, Gemulung averages a high of 33°C (92°F) and a low of 23°C (73°F), with 78 mm of rain on about 5 days.

How warm is the sea in Gemulung?

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

What is the rainiest month in Gemulung?

January, with rain on about 18 days.

What is the nearest airport to Gemulung?

Juanda International Airport (SUB), about 122 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 Gemulung in?

Asia/Jakarta (UTC+7).