Kertosono i
Town · East Java

Kertosono

Kabupaten Nganjuk · Indonesia

Now
28°
Local time
06:46 PM
Population
60.8K
Elevation
43 m
Best time to go
Jul–Aug
Go score 79/100
Main airport
SUB
79 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Kertosono lies in East Java, Indonesia. By our climate data, the best time to visit is July–August. The warmest month is October, with average highs of 32°C (90°F).

The best months to visit are July–August.

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 10.3 hours of sunshine a day.

In October, it’s warmer here than in 71% of places in Indonesia.

Weather

16-day forecast

Kertosono weather forecast
28°
Mainly clear
Feels like
29°
Humidity
68%
Wind
22 km/h S
Gusts
40 km/h
Cloud cover
38%
Pressure
1012 hPa
UV index
5 (now)
Sunrise / Sunset
05:07 / 17:25

Next 48 hours

29° 18 32% 27° 21 26° 00 25° 03 27° 06 31° 09 34° 12 32° 15 29% 29° 18 27° 21 26° 00 25° 03 26° 06 31° 09 34° 12 32° 15 49%
Today
Oct 22
Drizzle
35°25°
98% 1.7 mm 27 S
Tomorrow
Oct 23
Overcast
34°25°
29% 28 S
Sat
Oct 24
Light drizzle
34°25°
53% 0.5 mm 28 S
Sun
Oct 25
Light drizzle
35°24°
37% 26 S
Mon
Oct 26
Drizzle
35°25°
91% 3.7 mm 20 S
Tue
Oct 27
Dense drizzle
32°25°
97% 7.2 mm 14 SE
Wed
Oct 28
Dense drizzle
33°24°
61% 7.5 mm 11 SE
Thu
Oct 29
Light drizzle
33°25°
31% 1.2 mm 20 S
Fri
Oct 30
Light drizzle
33°25°
37% 21 S
Sat
Oct 31
Light drizzle
34°25°
31% 0.6 mm 21 S
Sun
Nov 1
Light drizzle
33°26°
53% 2.0 mm 22 S
Mon
Nov 2
Light drizzle
34°26°
57% 1.2 mm 16 S
Tue
Nov 3
Light drizzle
34°26°
51% 2.2 mm 18 S
Wed
Nov 4
Light drizzle
35°26°
61% 1.2 mm 19 S
Thu
Nov 5
Light drizzle
35°25°
63% 1.2 mm 14 SE
Fri
Nov 6
Clear sky
39°25°
57% 18 SE
European AQI59Moderate
PM2.520.1
PM1023.3
NO₂3.5
O₃119
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Kertosono

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

Best time to goJuly–August
15°20°25°30°35° 0175350 mm Jan · 304 mmFeb · 311 mmMar · 283 mmApr · 171 mmMay · 100 mmJun · 51 mmJul · 24 mmAug · 11 mmSep · 16 mmOct · 50 mmNov · 126 mmDec · 254 mm 31°30°31°31°31°31°30°31°32°32°32°31° 22°22°22°23°23°22°21°21°22°23°23°23° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high31°30°31°31°31°31°30°31°32°32°32°31°
Average low22°22°22°23°23°22°21°21°22°23°23°23°
Rainfall (mm)3043112831711005124111650126254
Rain days18171611763224715
Sunshine per day (h)6.86.77.28.58.89.210.110.310.19.88.67.3
Daylight (h)12.512.412.211.911.811.711.711.912.112.312.512.6
Humidity (%)838484807976727067697379
Wind (km/h)131211101113141616141212
Go score464852606771797471686351

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 Kertosono, 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 Kertosono, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Sightseeing & city walks PoorPoorPoorFairFairFairFairFairFairFairFairPoor
Photography & sunsets FairFairFairFairGoodGoodGoodGoodGoodGoodGoodFair

Good Fair Poor · Estimated from long-term averages of temperature, rain days, sunshine and sea temperature.

How each activity is rated
  • Sightseeing & city walks — Good: highs of 15–27 °C and few rain days. Fair: 11–33 °C.
  • Photography & sunsets — Good: at least 7 hours of sunshine a day and few rain days. Fair: 5 hours or more.

Rainy season in Java: November–May · Wettest month: January Month by month

Tourist density

Kertosono: tourist crowds by month

How busy it gets through the year — and the months with good weather and fewer visitors.

Tourist density
Low
Busiest months
July–August
Quietest months
January–February
Sweet spot
May and October
Good weather, fewer crowds
Very quietQuietModerateBusyVery busy ★ Sweet spot

Updated: About this data: Crowds & prices

Landmarks nearby

Mountains, castles, museums, beaches and heritage sites within 25 km.

Things to do in Kertosono
Practical

Kertosono: 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
05:07
Sunset
17:25
Daylight today
12.3 h
Local time in Kertosono
Earthquake history

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

Strongest: M6.6 (1998).

Map

How to get to Kertosono

Nearest airports

Distances

estimate

Hotels

Hotels in Kertosono

Hotels and holiday rentals with live nightly prices.

Hotels in Kertosono
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Climate in Kertosono

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Kertosono?

Based on climate normals, the best time to visit Kertosono is July–August.

What is the weather like in Kertosono in October?

In October, Kertosono averages a high of 32°C (90°F) and a low of 23°C (73°F), with 50 mm of rain on about 4 days.

What is the rainiest month in Kertosono?

January, with rain on about 18 days.

What is the nearest airport to Kertosono?

Juanda International Airport (SUB), about 79 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.

When is Kertosono most crowded?

The busiest months are July–August.

When is Kertosono least crowded?

The quietest months are January–February.

When is the best time to visit Kertosono without the crowds?

May and October: good weather with fewer visitors than in peak season.

What time zone is Kertosono in?

Asia/Jakarta (UTC+7).

What is the population of Kertosono?

About 60,782.