Kajen i
Coastal town · Central Java

Kajen

Kabupaten Pekalongan · Indonesia

Now
30°
Local time
05:59 PM
Population
—
Elevation
36 m
Best time to go
Jul–Aug
Go score 94/100
Sea temperature
30°
May
Main airport
SRG
88 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Kajen lies in Central 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 (89°F); the sea is warmest in May at about 30°C (86°F).

The best months to visit are July–August.

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

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

October is the hottest month, with highs around 32°C (89°F).

July is the coldest month, with lows around 21°C (70°F).

The wettest month is January, with rain on about 19 days.

August is the sunniest month, with about 8.6 hours of sunshine a day.

In October, it’s warmer here than in 69% of places in Indonesia.

Weather

16-day forecast

Kajen weather forecast
30°
Partly cloudy
Feels like
32°
Humidity
60%
Wind
17 km/h S
Gusts
30 km/h
Cloud cover
72%
Pressure
1010 hPa
UV index
4 (now)
Sunrise / Sunset
05:19 / 17:35

Next 48 hours

31° 17 45% 28° 20 26° 23 25° 02 23° 05 29° 08 33° 11 33° 14 36% 31° 17 40% 28° 20 26° 23 25° 02 24° 05 30° 08 34° 11 33° 14
Today
Oct 17
Drizzle
35°23°
55% 1.2 mm 18 S
Tomorrow
Oct 18
Light drizzle
34°23°
53% 11 N
Mon
Oct 19
Overcast
34°24°
33% 11 E
Tue
Oct 20
Partly cloudy
34°23°
20% 11 NE
Wed
Oct 21
Drizzle
34°24°
80% 2.1 mm 7 SE
Thu
Oct 22
Rain showers
34°25°
100% 6.9 mm 8 SW
Fri
Oct 23
Drizzle
29°24°
79% 9.2 mm 8 SW
Sat
Oct 24
Drizzle
31°25°
78% 4.8 mm 8 S
Sun
Oct 25
Light drizzle
33°25°
76% 2.2 mm 8 NE
Mon
Oct 26
Light drizzle
32°25°
55% 1.6 mm 7 E
Tue
Oct 27
Light drizzle
33°25°
59% 1.0 mm 13 NE
Wed
Oct 28
Light drizzle
34°25°
78% 0.4 mm 9 NE
Thu
Oct 29
Light drizzle
33°25°
75% 2.4 mm 8 NE
Fri
Oct 30
Drizzle
33°25°
80% 5.4 mm 5 SE
Sat
Oct 31
Drizzle
31°24°
87% 4.8 mm 8 SE
Sun
Nov 1
Light drizzle
35°24°
94% 1.5 mm 18 N
European AQI53Moderate
PM2.527.8
PM1032.8
NO₂1.5
O₃113
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Kajen

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

Best time to goJuly–August
15°20°25°30°35° 0275550 mm Jan · 541 mmFeb · 407 mmMar · 352 mmApr · 223 mmMay · 178 mmJun · 108 mmJul · 79 mmAug · 73 mmSep · 77 mmOct · 168 mmNov · 218 mmDec · 322 mm 30°30°31°31°31°31°31°31°32°32°31°30° 22°22°22°23°23°22°21°21°22°22°23°22° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Sea temperature Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high30°30°31°31°31°31°31°31°32°32°31°30°
Average low22°22°22°23°23°22°21°21°22°22°23°22°
Sea temperature29°29°29°30°30°30°29°29°29°29°30°30°
Rainfall (mm)541407352223178108797377168218322
Rain days19171715129666101618
Sunshine per day (h)5.56.16.57.47.77.98.58.68.17.87.16.6
Daylight (h)12.512.312.21211.811.711.711.912.112.312.412.5
Humidity (%)878787858584848181818485
Wind (km/h)89878891010988
Go score666970737985949286797168

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 Kajen, 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 Kajen, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorPoorFairGoodGoodFairFairPoorPoor
Sightseeing & city walks PoorPoorPoorPoorFairFairFairFairFairFairPoorPoor
Diving & snorkelling PoorPoorPoorPoorFairGoodGoodGoodGoodGoodPoorPoor
Photography & sunsets FairFairFairFairFairFairGoodGoodGoodFairFairFair

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.
Tourist density

Kajen: 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
December–March
Sweet spot
May–June and October
Good weather, fewer crowds
Very quietQuietModerateBusyVery busy ★ Sweet spot

Best value months

Good weather, fewer visitors, usually lower prices.

December–March

  • Jan66
  • Feb69
  • Mar70
  • Dec68

An estimate: months with a go score of 60 or more and below-average tourist numbers.

Updated: About this data: Crowds & prices

Landmarks nearby

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

Things to do in Kajen
Practical

Kajen: 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
05:19
Sunset
17:35
Daylight today
12.3 h
Local time in Kajen
Earthquake history

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

Strongest: M5.3 (1988).

Map

How to get to Kajen

Nearest airports

Distances

estimate

Hotels

Hotels in Kajen

Hotels and holiday rentals with live nightly prices.

Hotels in Kajen
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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 Kajen

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

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Kajen?

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

What is the weather like in Kajen in October?

In October, Kajen averages a high of 32°C (89°F) and a low of 22°C (72°F), with 168 mm of rain on about 10 days.

How warm is the sea in Kajen?

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

What is the rainiest month in Kajen?

January, with rain on about 19 days.

What is the nearest airport to Kajen?

Jenderal Ahmad Yani Airport (SRG), about 88 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 Kajen most crowded?

The busiest months are July–August.

When is Kajen least crowded?

The quietest months are December–March.

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

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

What time zone is Kajen in?

Asia/Jakarta (UTC+7).