Sumurasin i
Coastal town · East Java

Sumurasin

Kabupaten Sumenep · Indonesia

Now
33°
Sea temperature
31°
Local time
03:08 PM
Population
—
Elevation
17 m
Best time to go
Jun–Aug
Go score 100/100
Sea temperature
30°
November
Main airport
SUB
132 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Sumurasin lies in East Java, Indonesia. By our climate data, the best time to visit is June–August. The warmest month is September, 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–August.

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

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

September is the hottest month, with highs around 32°C (90°F).

July is the coldest month, with lows around 22°C (72°F).

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

August is the sunniest month, with about 10.7 hours of sunshine a day.

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

Weather

16-day forecast

Sumurasin weather forecast
33°
Mainly clear
Feels like
33°
Humidity
42%
Wind
17 km/h E
Gusts
41 km/h
Cloud cover
49%
Pressure
1010 hPa
UV index
0 (now)
Sunrise / Sunset
04:59 / 17:17

Next 48 hours

33° 15 29° 18 28° 21 27° 00 26° 03 29° 06 32° 09 35° 12 33° 15 29° 18 28° 21 28° 00 26° 03 29° 06 32° 09 34° 12
Today
Oct 22
Overcast
35°27°
0% 20 SE
Tomorrow
Oct 23
Overcast
35°26°
6% 16 SE
Sat
Oct 24
Overcast
34°26°
10% 18 SE
Sun
Oct 25
Light drizzle
33°26°
33% 0.4 mm 17 SE
Mon
Oct 26
Light drizzle
34°26°
41% 0.4 mm 15 E
Tue
Oct 27
Rain showers
32°25°
37% 4.8 mm 15 E
Wed
Oct 28
Drizzle
33°25°
27% 5.2 mm 16 E
Thu
Oct 29
Light drizzle
34°27°
37% 0.6 mm 16 SE
Fri
Oct 30
Light drizzle
33°27°
45% 2.2 mm 18 E
Sat
Oct 31
Mainly clear
34°27°
41% 16 E
Sun
Nov 1
Light drizzle
34°27°
41% 16 E
Mon
Nov 2
Light drizzle
34°27°
33% 3.6 mm 19 E
Tue
Nov 3
Light drizzle
34°28°
39% 1.2 mm 17 SE
Wed
Nov 4
Light drizzle
33°27°
31% 3.6 mm 16 SE
Thu
Nov 5
Mainly clear
31°28°
29% 17 E
Fri
Nov 6
Clear sky
31°27°
28% 17 E
European AQI41Moderate
PM2.517.1
PM1021.7
NO₂2.5
O₃77
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Sumurasin

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

Best time to goJune–August
20°25°30°35°40° 0150300 mm Jan · 261 mmFeb · 227 mmMar · 218 mmApr · 158 mmMay · 121 mmJun · 73 mmJul · 30 mmAug · 11 mmSep · 18 mmOct · 41 mmNov · 121 mmDec · 225 mm 30°30°30°31°31°31°31°32°32°32°31°30° 23°22°23°23°23°22°22°22°23°24°24°23° 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°32°32°32°31°30°
Average low23°22°23°23°23°22°22°22°23°24°24°23°
Sea temperature29°29°29°30°30°29°28°28°28°29°30°30°
Rainfall (mm)2612272181581217330111841121225
Rain days18171610763113615
Sunshine per day (h)5.76.578.48.68.71010.710.710.57.96
Daylight (h)12.512.312.21211.811.711.711.912.112.312.412.5
Humidity (%)848586828179767474747883
Wind (km/h)151412111214151615131212
Go score6669738692951009591918972

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 Sumurasin, 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 Sumurasin, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorFairGoodGoodGoodGoodGoodGoodPoor
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairFairFairFairPoor
Diving & snorkelling PoorPoorPoorFairGoodGoodGoodGoodGoodGoodGoodPoor
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

Sumurasin: sea water temperature

Water temperature details
Water temperature today
31°C (88°F)
How it feels: very warm

Wave height: 0.3 m

Swimming season

January–December

Thu31°
Fri31°
Sat31°
Sun31°
Mon31°
Tue31°
Wed31°

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 Sumurasin
Practical

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

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

Strongest: M6 (2025).

Map

How to get to Sumurasin

Nearest airports

  • SUBJuanda International AirportSurabaya132 km
  • JBBNotohadinegoro AirportJember132 km
  • WADELieutenant Colonel Wisnu AirfieldGerokgak, Buleleng140 km
  • BWXBanyuwangi AirportRogojampi, Banyuwangi144 km

Distances

estimate

Hotels

Hotels in Sumurasin

Hotels and holiday rentals with live nightly prices.

Hotels in Sumurasin
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Climate in Sumurasin

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Sumurasin?

Based on climate normals, the best time to visit Sumurasin is June–August.

What is the weather like in Sumurasin in October?

In October, Sumurasin averages a high of 32°C (90°F) and a low of 24°C (75°F), with 41 mm of rain on about 3 days.

How warm is the sea in Sumurasin?

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

What is the rainiest month in Sumurasin?

January, with rain on about 18 days.

What is the nearest airport to Sumurasin?

Juanda International Airport (SUB), about 132 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 Sumurasin in?

Asia/Jakarta (UTC+7).