Demuk i
Coastal town · East Java

Demuk

Kabupaten Tulungagung · Indonesia

Now
23°
Sea temperature
27°
Local time
12:20 AM
Population
—
Elevation
297 m
Best time to go
Jun–Oct
Go score 100/100
Sea temperature
29°
March
Main airport
SUB
125 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Demuk lies in East Java, Indonesia. By our climate data, the best time to visit is June–October. The warmest month is October, with average highs of 30°C (86°F); the sea is warmest in March at about 29°C (84°F).

The best months to visit are June–October.

The sea is warmest in March, at about 29°C (84°F).

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

October is the hottest month, with highs around 30°C (86°F).

July is the coldest month, with lows around 19°C (67°F).

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

July is the sunniest month, with about 9.9 hours of sunshine a day.

In October, it’s warmer here than in 35% of places in Indonesia.

Weather

16-day forecast

Demuk weather forecast
23°
Overcast
Feels like
27°
Humidity
93%
Wind
7 km/h SE
Gusts
13 km/h
Cloud cover
92%
Pressure
1013 hPa
UV index
0 (now)
Sunrise / Sunset
05:06 / 17:26

Next 48 hours

23° 00 22° 03 24° 06 26° 09 46% 27° 12 31% 26° 15 25° 18 23° 21 23° 00 22° 03 23° 06 26° 09 27° 12 26° 15 46% 25° 18 21% 24° 21
Today
Oct 23
Light drizzle
27°22°
51% 0.8 mm 17 SE
Tomorrow
Oct 24
Light drizzle
27°22°
53% 0.9 mm 17 SE
Sun
Oct 25
Light drizzle
27°23°
67% 2.5 mm 18 SE
Mon
Oct 26
Light drizzle
28°23°
59% 0.8 mm 16 SE
Tue
Oct 27
Rain showers
27°23°
98% 8.8 mm 12 SE
Wed
Oct 28
Rain showers
26°22°
71% 12 mm 12 SE
Thu
Oct 29
Light drizzle
27°23°
23% 2.2 mm 17 SE
Fri
Oct 30
Light drizzle
27°23°
26% 0.6 mm 20 SE
Sat
Oct 31
Light drizzle
27°23°
29% 2.2 mm 16 SE
Sun
Nov 1
Light drizzle
27°23°
44% 3.0 mm 20 SE
Mon
Nov 2
Light drizzle
27°23°
38% 2.2 mm 14 SE
Tue
Nov 3
Light drizzle
27°23°
36% 1.6 mm 14 SE
Wed
Nov 4
Light drizzle
27°23°
47% 0.6 mm 17 SE
Thu
Nov 5
Light drizzle
27°23°
21% 0.6 mm 14 SE
Fri
Nov 6
Dense drizzle
32°22°
77% 5.1 mm 21 S
Sat
Nov 7
Overcast
33°22°
0% 6.4 mm 23 S
European AQI54Moderate
PM2.540.2
PM1043.4
NO₂18.8
O₃16
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Demuk

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

Best time to goJune–October
15°20°25°30°35° 0175350 mm Jan · 319 mmFeb · 274 mmMar · 296 mmApr · 230 mmMay · 158 mmJun · 80 mmJul · 49 mmAug · 30 mmSep · 69 mmOct · 165 mmNov · 230 mmDec · 297 mm 29°29°29°29°29°29°28°29°29°30°30°29° 21°21°21°21°21°20°19°20°20°21°21°21° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Sea temperature Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high29°29°29°29°29°29°28°29°29°30°30°29°
Average low21°21°21°21°21°20°19°20°20°21°21°21°
Sea temperature29°29°29°29°28°27°26°25°25°26°28°29°
Rainfall (mm)31927429623015880493069165230297
Rain days18181611763223715
Sunshine per day (h)7.16.97.48.58.79.19.99.89.79.58.57.6
Daylight (h)12.512.412.211.911.711.611.711.812.112.312.512.6
Humidity (%)838483807976737169707479
Wind (km/h)131212101213141616141312
Go score707074869295100100100999176

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 Demuk, month by month

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

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

What to do in Demuk, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorFairGoodGoodGoodGoodGoodFairPoor
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairFairFairFairPoor
Hiking PoorPoorPoorPoorPoorPoorFairPoorPoorPoorPoorPoor
Diving & snorkelling PoorPoorPoorFairGoodGoodGoodFairGoodGoodGoodPoor
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.
  • Hiking — Good: highs of 10–24 °C and few rain days; a wider window with trails or national parks nearby.
  • 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

Demuk: sea water temperature

Water temperature details
Water temperature today
27°C (81°F)
How it feels: warm

Wave height: 1.8 m

Swimming season

January–December

Fri27°
Sat27°
Sun27°
Mon27°
Tue27°
Wed28°
Thu28°

Average sea temperature by month

21°C 29° Jan 29° Feb 29° Mar 29° Apr 28° May 27° Jun 26° Jul 25° Aug 25° Sep 26° Oct 28° 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 Demuk

No data for this location.

Practical

Demuk: 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
05:06
Sunset
17:26
Daylight today
12.3 h
Local time in Demuk
Earthquake history

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

Strongest: M6.6 (1998).

Map

How to get to Demuk

Nearest airports

Distances

estimate

Hotels

Hotels in Demuk

Hotels and holiday rentals with live nightly prices.

Hotels in Demuk
Loading…

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

Get this widget

Climate in Demuk

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Demuk?

Based on climate normals, the best time to visit Demuk is June–October.

What is the weather like in Demuk in October?

In October, Demuk averages a high of 30°C (86°F) and a low of 21°C (70°F), with 165 mm of rain on about 3 days.

How warm is the sea in Demuk?

The sea is warmest in March (about 29°C (84°F)). Swimming season: January–December.

What is the rainiest month in Demuk?

January, with rain on about 18 days.

What is the nearest airport to Demuk?

Juanda International Airport (SUB), about 125 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 Demuk in?

Asia/Jakarta (UTC+7).