Randumerak i
Coastal town · East Java

Randumerak

Kabupaten Probolinggo · Indonesia

Now
31°
Sea temperature
30°
Local time
11:03 AM
Population
—
Elevation
13 m
Best time to go
Jun–Sep
Go score 100/100
Sea temperature
30°
November
Main airport
SUB
86 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Randumerak lies in East Java, Indonesia. By our climate data, the best time to visit is June–September. The warmest month is October, with average highs of 32°C (90°F); the sea is warmest in November at about 30°C (86°F).

The best months to visit are June–September.

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

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

October is the hottest month, with highs around 32°C (90°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 10.8 hours of sunshine a day.

In October, it’s warmer here than in 73% of places in Indonesia.

Weather

16-day forecast

Randumerak weather forecast
31°
Mainly clear
Feels like
36°
Humidity
55%
Wind
9 km/h NE
Gusts
23 km/h
Cloud cover
47%
Pressure
1012 hPa
UV index
7 (now)
Sunrise / Sunset
05:02 / 17:19

Next 48 hours

31° 11 31° 14 29° 17 27° 20 26° 23 25° 02 25° 05 28° 08 31° 11 31° 14 30° 17 28° 20 27° 23 26° 02 26° 05 29° 08
Today
Oct 18
Overcast
31°25°
0% 10 SE
Tomorrow
Oct 19
Overcast
31°25°
0% 10 NE
Tue
Oct 20
Mainly clear
32°26°
0% 9 NE
Wed
Oct 21
Light drizzle
32°26°
34% 1.0 mm 9 SE
Thu
Oct 22
Light drizzle
32°25°
55% 0.8 mm 12 SE
Fri
Oct 23
Drizzle
31°26°
47% 3.1 mm 9 S
Sat
Oct 24
Partly cloudy
32°26°
14% 12 E
Sun
Oct 25
Overcast
31°26°
4% 13 SE
Mon
Oct 26
Overcast
32°26°
2% 12 SE
Tue
Oct 27
Clear sky
31°26°
12% 12 E
Wed
Oct 28
Light drizzle
31°26°
20% 0.8 mm 7 SE
Thu
Oct 29
Light drizzle
32°27°
24% 0.4 mm 6 SE
Fri
Oct 30
Light drizzle
31°27°
31% 1.6 mm 9 SE
Sat
Oct 31
Light drizzle
30°26°
37% 1.6 mm 6 S
Sun
Nov 1
Light drizzle
35°25°
45% 0.6 mm 15 SE
Mon
Nov 2
Drizzle
34°25°
52% 1.4 mm 12 NW
European AQI79Poor
PM2.559.1
PM1065.2
NO₂5.5
O₃158
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Randumerak

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

Best time to goJune–September
15°20°25°30°35° 0175350 mm Jan · 321 mmFeb · 283 mmMar · 235 mmApr · 107 mmMay · 76 mmJun · 35 mmJul · 19 mmAug · 5 mmSep · 9 mmOct · 28 mmNov · 90 mmDec · 206 mm 30°30°30°31°31°31°31°31°32°32°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°30°31°31°31°31°31°32°32°32°31°
Average low22°22°22°23°23°22°21°21°22°23°23°22°
Sea temperature29°29°29°30°30°29°28°28°28°29°30°30°
Rainfall (mm)321283235107763519592890206
Rain days18171510652112414
Sunshine per day (h)7.27.57.99.19.39.410.510.810.810.68.97.6
Daylight (h)12.512.412.211.911.811.711.711.912.112.312.512.6
Humidity (%)828383798077757372727480
Wind (km/h)141311101213141514121111
Go score70727689949610010095929378

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)

Updated: About this data: Climate normals

Activities

What to do in Randumerak, month by month

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

Rainy season: December–April Dry season: May–November (Based on average monthly rainfall)

What to do in Randumerak, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorFairFairGoodGoodGoodGoodGoodGoodPoor
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairFairFairFairPoor
Diving & snorkelling PoorPoorPoorGoodGoodGoodGoodGoodGoodGoodGoodFair
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

Randumerak: sea water temperature

Water temperature details
Water temperature today
30°C (85°F)
How it feels: very warm

Wave height: 0.2 m

Swimming season

January–December

Sun30°
Mon30°
Tue30°
Wed30°
Thu30°
Fri30°
Sat30°

Average sea temperature by month

29° Jan 29° Feb 29° Mar 30° Apr 30° May 29° Jun 28° Jul 28° Aug 28° Sep 29° Oct 30° Nov 30° 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 Randumerak
Practical

Randumerak: 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 ≈ 18,031 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 137,050≈ $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 93,950≈ $5.20
  • Public transport ticketIDR 18,050≈ $1.00
  • Mid-range hotel, per nightIDR 1,301,650≈ $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
17:19
Daylight today
12.3 h
Local time in Randumerak
Earthquake history

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

Strongest: M5.2 (1994).

Map

How to get to Randumerak

Nearest airports

Distances

estimate

Hotels

Hotels in Randumerak

Hotels and holiday rentals with live nightly prices.

Hotels in Randumerak
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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 Randumerak

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Randumerak?

Based on climate normals, the best time to visit Randumerak is June–September.

What is the weather like in Randumerak in October?

In October, Randumerak averages a high of 32°C (90°F) and a low of 23°C (73°F), with 28 mm of rain on about 2 days.

How warm is the sea in Randumerak?

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

What is the rainiest month in Randumerak?

January, with rain on about 18 days.

What is the nearest airport to Randumerak?

Juanda International Airport (SUB), about 86 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 Randumerak in?

Asia/Jakarta (UTC+7).