Sumuran i
Coastal town · East Java

Sumuran

Kabupaten Malang · Indonesia

Now
25°
Sea temperature
28°
Local time
07:02 AM
Population
—
Elevation
334 m
Best time to go
Jun–Oct
Go score 100/100
Sea temperature
29°
March
Main airport
SUB
96 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Sumuran 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 29°C (85°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 29°C (85°F).

July is the coldest month, with lows around 18°C (65°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 26% of places in Indonesia.

Weather

16-day forecast

Sumuran weather forecast
25°
Overcast
Feels like
29°
Humidity
85%
Wind
13 km/h SE
Gusts
28 km/h
Cloud cover
89%
Pressure
1016 hPa
UV index
0 (now)
Sunrise / Sunset
05:02 / 17:25

Next 48 hours

25° 07 30° 10 29° 13 75% 27° 16 55% 24° 19 23° 22 23° 01 23° 04 22% 24° 07 29% 28° 10 47% 26° 13 71% 25° 16 80% 23° 19 23° 22 22° 01 22° 04
Today
Oct 29
Light drizzle
30°22°
75% 1.1 mm 19 SE
Tomorrow
Oct 30
Drizzle
28°22°
83% 4.2 mm 17 SE
Sat
Oct 31
Drizzle
28°22°
99% 4.6 mm 15 SE
Sun
Nov 1
Light drizzle
29°22°
90% 2.8 mm 19 SE
Mon
Nov 2
Drizzle
28°23°
93% 4.3 mm 17 SE
Tue
Nov 3
Drizzle
29°22°
88% 2.7 mm 16 SE
Wed
Nov 4
Light drizzle
30°23°
72% 3.2 mm 16 SE
Thu
Nov 5
Light drizzle
30°23°
73% 1.2 mm 15 SE
Fri
Nov 6
Drizzle
29°23°
78% 5.4 mm 11 SE
Sat
Nov 7
Drizzle
29°23°
79% 5.8 mm 12 SE
Sun
Nov 8
Drizzle
28°22°
95% 8.2 mm 12 SE
Mon
Nov 9
Drizzle
28°22°
85% 4.6 mm 14 SE
Tue
Nov 10
Light drizzle
30°22°
97% 2.2 mm 14 SE
Wed
Nov 11
Drizzle
29°23°
92% 4.6 mm 15 SE
Thu
Nov 12
Overcast
31°23°
81% 2.8 mm 18 SE
Fri
Nov 13
Light drizzle
30°23°
76% 15 SE
European AQI37Fair
PM2.513.6
PM1015.5
NO₂7.8
O₃44
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Sumuran

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 · 328 mmFeb · 272 mmMar · 291 mmApr · 197 mmMay · 156 mmJun · 72 mmJul · 49 mmAug · 29 mmSep · 68 mmOct · 167 mmNov · 246 mmDec · 341 mm 28°29°28°28°28°28°27°28°29°29°29°28° 20°20°20°20°20°19°18°19°19°20°20°20° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Sea temperature Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high28°29°28°28°28°28°27°28°29°29°29°28°
Average low20°20°20°20°20°19°18°19°19°20°20°20°
Sea temperature29°29°29°29°28°27°26°25°25°26°28°29°
Rainfall (mm)32827229119715672492968167246341
Rain days18181611863223614
Sunshine per day (h)7.47.37.68.68.89.19.99.99.89.78.77.8
Daylight (h)12.512.412.211.911.711.611.711.812.112.312.512.6
Humidity (%)828383797977747270717479
Wind (km/h)131212111213131415131212
Go score7070758692951001001001009477

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 Sumuran, 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 Sumuran, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorFairFairGoodGoodGoodGoodGoodPoor
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairFairFairFairPoor
Hiking PoorPoorPoorPoorPoorFairFairPoorPoorPoorPoorPoor
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

Sumuran: sea water temperature

Water temperature details
Water temperature today
28°C (82°F)
How it feels: warm

Wave height: 1.4 m

Swimming season

January–December

Thu28°
Fri27°
Sat27°
Sun27°
Mon26°
Tue26°
Wed26°

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 Sumuran
Practical

Sumuran: 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 ≈ 18,176.4 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 138,150≈ $7.60
  • CappuccinoIDR 37,500≈ $2.10
  • Beer (0.5 l)IDR 53,000≈ $2.90
  • Bottled water (1.5 l)IDR 17,500≈ $1.00
  • Taxi, 5 kmIDR 94,700≈ $5.20
  • Public transport ticketIDR 18,200≈ $1.00
  • Mid-range hotel, per nightIDR 1,312,150≈ $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
05:02
Sunset
17:25
Daylight today
12.3 h
Local time in Sumuran
Earthquake history

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

Strongest: M6.6 (1998).

Map

How to get to Sumuran

Nearest airports

Distances

estimate

Hotels

Hotels in Sumuran

Hotels and holiday rentals with live nightly prices.

Hotels in Sumuran
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.

Sightings recorded per month · 807 records within 25 km
JFMAMJJASOND
Get this widget

Climate in Sumuran

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Sumuran?

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

What is the weather like in Sumuran in October?

In October, Sumuran averages a high of 29°C (85°F) and a low of 20°C (68°F), with 167 mm of rain on about 3 days.

How warm is the sea in Sumuran?

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

What is the rainiest month in Sumuran?

January, with rain on about 18 days.

What is the nearest airport to Sumuran?

Juanda International Airport (SUB), about 96 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 Sumuran in?

Asia/Jakarta (UTC+7).