Sumberan i
Coastal town · East Java

Sumberan

Kabupaten Jember · Indonesia

Now
25°
Sea temperature
27°
Local time
09:10 PM
Population
—
Elevation
29 m
Best time to go
Jun–Nov
Go score 100/100
Sea temperature
29°
March
Main airport
SUB
140 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Sumberan lies in East Java, Indonesia. By our climate data, the best time to visit is June–November. The warmest month is October, with average highs of 31°C (88°F); the sea is warmest in March at about 29°C (84°F).

The best months to visit are June–November.

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 31°C (88°F).

July is the coldest month, with lows around 21°C (69°F).

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

September is the sunniest month, with about 10.5 hours of sunshine a day.

In October, it’s warmer here than in 55% of places in Indonesia.

Weather

16-day forecast

Sumberan weather forecast
25°
Overcast
Feels like
30°
Humidity
95%
Wind
5 km/h NW
Gusts
9 km/h
Cloud cover
100%
Pressure
1015 hPa
UV index
0 (now)
Sunrise / Sunset
04:59 / 17:20

Next 48 hours

25° 21 30% 24° 00 23° 03 24° 06 29° 09 30° 12 72% 26° 15 100% 24° 18 100% 24° 21 52% 23° 00 53% 22° 03 65% 23° 06 50% 29° 09 32% 29° 12 79% 27° 15 100% 25° 18 100%
Today
Oct 26
Light drizzle
31°23°
100% 2.6 mm 7 SW
Tomorrow
Oct 27
Heavy showers
30°23°
100% 11 mm 7 NW
Wed
Oct 28
Rain showers
30°22°
100% 13 mm 8 NE
Thu
Oct 29
Drizzle
31°23°
100% 3.4 mm 12 S
Fri
Oct 30
Drizzle
31°24°
98% 5.6 mm 15 S
Sat
Oct 31
Drizzle
31°23°
92% 4.3 mm 12 SW
Sun
Nov 1
Light drizzle
30°23°
98% 4.2 mm 11 SW
Mon
Nov 2
Dense drizzle
29°23°
98% 9.4 mm 11 W
Tue
Nov 3
Dense drizzle
30°23°
100% 7.4 mm 9 W
Wed
Nov 4
Light drizzle
30°23°
87% 2.8 mm 12 S
Thu
Nov 5
Light drizzle
31°25°
80% 3.2 mm 10 S
Fri
Nov 6
Light drizzle
32°25°
62% 1.2 mm 12 SW
Sat
Nov 7
Light drizzle
31°24°
65% 1.0 mm 9 SW
Sun
Nov 8
Light drizzle
31°25°
81% 2.8 mm 5 NW
Mon
Nov 9
Drizzle
29°24°
90% 9.6 mm 8 NW
Tue
Nov 10
Light drizzle
31°25°
81% 24 SW
European AQI45Moderate
PM2.523.3
PM1026.5
NO₂10.1
O₃32
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Sumberan

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

Best time to goJune–November
15°20°25°30°35° 0175350 mm Jan · 302 mmFeb · 247 mmMar · 244 mmApr · 145 mmMay · 112 mmJun · 52 mmJul · 30 mmAug · 13 mmSep · 35 mmOct · 90 mmNov · 186 mmDec · 284 mm 30°30°30°31°31°30°29°30°31°31°31°30° 22°22°22°22°22°21°21°21°21°22°23°22° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Sea temperature Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high30°30°30°31°31°30°29°30°31°31°31°30°
Average low22°22°22°22°22°21°21°21°21°22°23°22°
Sea temperature29°29°29°29°28°27°26°25°25°26°28°29°
Rainfall (mm)3022472441451125230133590186284
Rain days18181610752112514
Sunshine per day (h)7.67.78.19.39.49.410.310.410.510.498
Daylight (h)12.612.412.211.911.711.611.711.812.112.312.512.6
Humidity (%)818282797977757372727579
Wind (km/h)141311101214141514121112
Go score7172778894961001001001009678

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 Sumberan, 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 Sumberan, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorFairFairGoodGoodGoodGoodGoodGoodPoor
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairFairFairFairPoor
Diving & snorkelling PoorPoorPoorGoodGoodGoodGoodFairGoodGoodGoodFair
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

Sumberan: sea water temperature

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

Wave height: 1.7 m

Swimming season

January–December

Mon27°
Tue28°
Wed28°
Thu28°
Fri28°
Sat27°
Sun27°

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 Sumberan
Practical

Sumberan: 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
04:59
Sunset
17:20
Daylight today
12.3 h
Local time in Sumberan
Earthquake history

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

Strongest: M5.7 (2016).

Map

How to get to Sumberan

Nearest airports

Distances

estimate

Hotels

Hotels in Sumberan

Hotels and holiday rentals with live nightly prices.

Hotels in Sumberan
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Climate in Sumberan

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Sumberan?

Based on climate normals, the best time to visit Sumberan is June–November.

What is the weather like in Sumberan in October?

In October, Sumberan averages a high of 31°C (88°F) and a low of 22°C (72°F), with 90 mm of rain on about 2 days.

How warm is the sea in Sumberan?

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

What is the rainiest month in Sumberan?

January, with rain on about 18 days.

What is the nearest airport to Sumberan?

Juanda International Airport (SUB), about 140 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 Sumberan in?

Asia/Jakarta (UTC+7).