Sumberarum i
Coastal town · East Java

Sumberarum

Kabupaten Blitar · Indonesia

Now
28°
Sea temperature
27°
Local time
02:26 PM
Population
—
Elevation
360 m
Best time to go
Jun–Oct
Go score 100/100
Sea temperature
29°
March
Main airport
SUB
109 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Sumberarum 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 (87°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 (87°F).

July is the coldest month, with lows around 19°C (66°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 45% of places in Indonesia.

Weather

16-day forecast

Sumberarum weather forecast
28°
Clear sky
Feels like
31°
Humidity
62%
Wind
20 km/h S
Gusts
41 km/h
Cloud cover
2%
Pressure
1012 hPa
UV index
6 (now)
Sunrise / Sunset
05:06 / 17:25

Next 48 hours

28° 14 26° 17 23° 20 22° 23 20° 02 21° 05 26° 08 29° 11 28° 14 26° 17 24° 20 23° 23 21° 02 22° 05 26° 08 29° 11
Today
Oct 21
Light drizzle
29°22°
73% 0.9 mm 20 SE
Tomorrow
Oct 22
Overcast
29°20°
0% 23 SE
Fri
Oct 23
Light drizzle
29°21°
12% 0.4 mm 20 SE
Sat
Oct 24
Light drizzle
30°22°
58% 0.6 mm 21 SE
Sun
Oct 25
Drizzle
29°23°
94% 3.3 mm 19 SE
Mon
Oct 26
Drizzle
29°22°
92% 3.1 mm 17 SE
Tue
Oct 27
Rain showers
27°22°
99% 17 mm 9 SE
Wed
Oct 28
Dense drizzle
26°22°
84% 12 mm 10 S
Thu
Oct 29
Light drizzle
28°22°
44% 2.2 mm 19 SE
Fri
Oct 30
Drizzle
28°23°
58% 7.0 mm 18 SE
Sat
Oct 31
Light drizzle
29°23°
52% 2.0 mm 17 SE
Sun
Nov 1
Light drizzle
29°23°
65% 1.6 mm 20 SE
Mon
Nov 2
Drizzle
29°23°
64% 4.0 mm 20 SE
Tue
Nov 3
Light drizzle
29°23°
76% 4.0 mm 17 SE
Wed
Nov 4
Partly cloudy
32°22°
68% 8.4 mm 28 SE
Thu
Nov 5
Light drizzle
31°23°
74% 23 SE
European AQI40Fair
PM2.515.5
PM1021.1
NO₂0.7
O₃61
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Sumberarum

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 · 326 mmFeb · 271 mmMar · 299 mmApr · 203 mmMay · 154 mmJun · 64 mmJul · 33 mmAug · 24 mmSep · 65 mmOct · 171 mmNov · 238 mmDec · 335 mm 29°29°29°29°29°29°28°29°30°30°30°29° 21°21°21°21°21°20°19°19°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°30°30°30°29°
Average low21°21°21°21°21°20°19°19°20°21°21°21°
Sea temperature29°29°29°29°28°27°26°25°25°26°28°29°
Rainfall (mm)32627129920315464332465171238335
Rain days18181611863223614
Sunshine per day (h)7.37.27.58.68.79.19.99.99.89.68.67.8
Daylight (h)12.612.412.211.911.711.611.711.812.112.312.512.6
Humidity (%)828383797977747270707479
Wind (km/h)131212111213141515131212
Go score7070748692951001001001009377

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 Sumberarum, 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 Sumberarum, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorFairFairGoodGoodGoodGoodFairPoor
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairFairFairFairPoor
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.
  • 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.
Sea

Sumberarum: sea water temperature

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

Wave height: 1 m

Swimming season

January–December

Wed27°
Thu27°
Fri26°
Sat26°
Sun26°
Mon26°
Tue26°

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 Sumberarum
Practical

Sumberarum: 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 ≈ 17,985.3 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 136,700≈ $7.60
  • CappuccinoIDR 37,100≈ $2.10
  • Beer (0.5 l)IDR 52,450≈ $2.90
  • Bottled water (1.5 l)IDR 17,300≈ $1.00
  • Taxi, 5 kmIDR 93,700≈ $5.20
  • Public transport ticketIDR 18,000≈ $1.00
  • Mid-range hotel, per nightIDR 1,298,350≈ $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
17:25
Daylight today
12.3 h
Local time in Sumberarum
Earthquake history

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

Strongest: M6.6 (1998).

Map

How to get to Sumberarum

Nearest airports

Distances

estimate

Hotels

Hotels in Sumberarum

Hotels and holiday rentals with live nightly prices.

Hotels in Sumberarum
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Wildlife around here

The species recorded most often within 25 km, and the months they’re seen.

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Climate in Sumberarum

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Sumberarum?

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

What is the weather like in Sumberarum in October?

In October, Sumberarum averages a high of 30°C (87°F) and a low of 21°C (69°F), with 171 mm of rain on about 3 days.

How warm is the sea in Sumberarum?

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

What is the rainiest month in Sumberarum?

January, with rain on about 18 days.

What is the nearest airport to Sumberarum?

Juanda International Airport (SUB), about 109 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 Sumberarum in?

Asia/Jakarta (UTC+7).