Pekalongan weather in April

In April, Pekalongan sees average daytime highs of 28°C and overnight lows near 23°C, with 377 mm of rain across 28.4 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 3% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 48 min by month's end. Set against the rest of the year, April is Pekalongan's 7th-clearest and 11th-windiest month. For the whole year in context, see Pekalongan's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
23°
12th coldest
Rainfall
377 mm
28.4 wet days
Daylight
11 h 48 min
5:46 AM – 5:37 PM
Cloud cover
83%
7th clearest
Wind
4 km/h
11th windiest
Solar energy
4.87 kWh/m²
Travel score
3.2
out of 10

Pekalongan is city in Central Java Province, Indonesia.

Density
7,173/km²
people per km²
Founded
1906

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical April day in Pekalongan reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, April runs on par with March and on par with May.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12823
22823
32823
42823
52823
62823
72823
82823
92823
102823
112823
122823
132823
142823
152823
162823
172823
182823
192823
202823
212823
222823
232824
242824
252824
262824
272824
282824
292824
302824

Pekalongan weather by month

How April compares with the rest of the year at a glance. April is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 23°41130.412.43.3
Feb27° / 23°38027.612.23.2
Mar28° / 23°41430.2123.2
Apr28° / 23°37728.411.93.2
May28° / 23°20223.311.74.0
Jun28° / 23°14817.211.65.1
Jul27° / 22°10314.411.65.8
Aug28° / 22°7611.811.86.1
Sep28° / 22°12314.8125.4
Oct28° / 23°29322.712.24.1
Nov28° / 23°46528.312.33.3
Dec28° / 23°51729.612.43.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 10% of April, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7892
8991
91090
101090
111090
121090
131189
141189
151189
161189
171189
181288
191387
201486
211486
221585
231585
241783
251783
261882
271882
282080
292080
302179

Chance of precipitation in April

Any precipitation

Pekalongan gets around 377 mm of rain over 28.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 94% and peaks near 97% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
197
297
397
497
597
697
797
897
997
1097
1197
1296
1396
1496
1595
1695
1795
1894
1994
2093
2193
2292
2392
2491
2590
2690
2789
2889
2988
3088

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the oppressive band about 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
11990
21990
31981
41981
51981
61981
71981
81981
91972
101972
111972
121972
131972
141972
151972
161972
171972
181972
191972
201972
211981
221981
231981
241981
251981
261981
271990
281990
291990
301990

Wind in April

Winds average 4 km/h in April.

Across April, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over April. Sunrise moves from 5:48 AM to 5:46 AM, and sunset from 5:44 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:485:44
211.95:485:44
311.95:475:43
411.95:475:43
511.95:475:42
611.95:475:42
711.95:475:41
811.95:475:41
911.95:475:40
1011.95:475:40
1111.95:475:39
1211.95:465:39
1311.95:465:38
1411.95:465:38
1511.95:465:37
1611.85:465:37
1711.85:465:37
1811.85:465:36
1911.85:465:36
2011.85:465:35
2111.85:465:35
2211.85:465:34
2311.85:465:34
2411.85:465:34
2511.85:465:33
2611.85:465:33
2711.85:465:33
2811.85:465:32
2911.85:465:32
3011.85:465:32

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.87 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 5.99 kWh/m² in September across the year — April's 4.87 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in April

Hazard calendar for Pekalongan

In seasonPeak

In April, Pekalongan sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.

Pekalongan sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Pekalongan's rainy season runs October–April, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Pekalongan?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
10th-best month of the year
3.8
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Pekalongan.

What to pack for Pekalongan in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Pekalongan sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Pekalongan in April

The nearest coast averages about 30°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 30°C and coldest in February near 29°C.

The water stays above 20°C all year — warm enough for a swim any month.

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Pekalongan in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pekalongan peaks around March 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 13UV 14Nov 15UV 6
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov6High
Dec12Extreme

Air quality in Pekalongan in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Pekalongan is worst in May — around 42 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateMay 1641 µg/m³Feb 1231 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb31Moderate
Mar37Poor
Apr38Poor
May42Poor
Jun38Poor
Jul35Moderate
Aug35Moderate
Sep36Poor
Oct37Poor
Nov34Moderate
Dec33Moderate
Location & terrain

Where is Pekalongan?

Pekalongan sits at 6.9°S, 109.7°E, 10 m above sea level, in Indonesia. The nearest listed city is Wiradesa, 6.0 km away.

Topography around Pekalongan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Pekalongan.

Within 3 km, the terrain around Pekalongan has only modest variations in elevation — a maximum elevation change of 15 m around an average of 4 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 254 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Pekalongan is covered by artificial surfaces (60%) within 3 km, water (42%) and trees (24%) within 16 km, and trees (47%) and water (35%) within 80 km.

3 km
15 m
16 km
254 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Wiradesa 6.0 km · Kedungwuni 10 km · Wonopringgo 12 km · Comal 16 km · Buaran 23 km · Pemalang 32 km · Weleri 44 km · Randudongkal 45 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Pekalongan (-6.8886°, 109.6753°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).