Demak weather in April

In April, Demak sees average daytime highs of 32°C and overnight lows near 24°C, with 213 mm of rain across 25.2 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 8% of the time in April, and the air most often feels miserable.

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 Demak's 7th-clearest and 12th-windiest month. For the whole year in context, see Demak's year-round climate.

Daytime high
32°
8th warmest
Overnight low
24°
10th coldest
Rainfall
213 mm
25.2 wet days
Daylight
11 h 48 min
5:42 AM – 5:33 PM
Cloud cover
77%
7th clearest
Wind
4 km/h
12th windiest
Solar energy
5.25 kWh/m²
Travel score
2.4
out of 10

Demak is capital of Demak Regency, Central Java Province, Indonesia.

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 32°C through the month.

A typical April day in Demak reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 33°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224

How April really feels in Demak

Once humidity and wind are folded in, April averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
30 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Demak weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°33929.112.42.5
Feb31° / 24°31226.412.22.4
Mar32° / 24°30728.5122.3
Apr32° / 24°21325.211.92.4
May32° / 24°9415.811.73.3
Jun33° / 24°559.811.63.7
Jul33° / 23°315.411.63.9
Aug33° / 23°173.511.83.8
Sep34° / 24°355.1123.2
Oct34° / 24°11613.612.22.6
Nov33° / 24°24324.112.32.1
Dec32° / 24°35128.312.42.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51684
61783
71783
81783
91882
101981
111981
122080
132080
142080
152179
162278
172476
182476
192575
202674
212773
222773
232872
242971
253070
263070
273169
283169
293268
303268

Chance of precipitation in April

Any precipitation

Demak gets around 213 mm of rain over 25.2 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 83% and peaks near 91% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
291
391
491
591
691
791
890
990
1089
1189
1288
1387
1486
1586
1685
1784
1883
1982
2081
2180
2278
2377
2476
2575
2674
2773
2871
2970
3069

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the miserable band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
11783
21783
31684
41684
51585
61585
71585
81585
91585
101585
111585
121684
131684
141684
151783
161783
171783
181882
191882
201882
211882
221981
231981
241981
251981
262080
272080
282080
292179
302179

Wind in April

Winds average 4 km/h in April, the calmest month.

Across April, daily wind ranges from about 4 km/h on the calmest days to 5 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
295calm
305calm

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 5:44 AM to 5:42 AM, and sunset from 5:40 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:445:40
211.95:445:40
311.95:445:39
411.95:435:39
511.95:435:38
611.95:435:38
711.95:435:37
811.95:435:37
911.95:435:36
1011.95:435:36
1111.95:435:35
1211.95:435:35
1311.95:425:34
1411.95:425:34
1511.95:425:34
1611.85:425:33
1711.85:425:33
1811.85:425:32
1911.85:425:32
2011.85:425:31
2111.85:425:31
2211.85:425:31
2311.85:425:30
2411.85:425:30
2511.85:425:29
2611.85:425:29
2711.85:425:29
2811.85:425:28
2911.85:425:28
3011.85:425:28

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.25 kWh/m².

For context, solar energy here swings from a low near 4.79 kWh/m² to a high of 6.45 kWh/m² in September across the year — April's 5.25 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Hazard calendar for Demak

In seasonPeak

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

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

Demak's monsoon runs November–April, when most of the year's rain falls.

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

Is April a good time to visit Demak?

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

2.4
Sightseeing
8th-best month of the year
4.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Demak.

What to pack for Demak in April

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

In April, Demak sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Demak 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 at the nearest coast (about 29 km away) 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
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Demak 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 Demak peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highExtremeMar 15UV 14Nov 16UV 7
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun8Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov7High
Dec12Extreme

Air quality in Demak 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 Demak is worst in May — around 45 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1944 µg/m³Feb 1129 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb29Moderate
Mar35Poor
Apr39Poor
May45Poor
Jun42Poor
Jul38Poor
Aug35Poor
Sep37Poor
Oct39Poor
Nov37Poor
Dec34Moderate
Location & terrain

Where is Demak?

Demak sits at 6.9°S, 110.6°E, 9 m above sea level, in Indonesia. The nearest listed city is Welahan, 13 km away.

Topography around Demak

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

Within 3 km, the terrain around Demak has only modest variations in elevation — a maximum elevation change of 10 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 20 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,105 m.

The land around Demak is covered by cropland (58%) and artificial surfaces (22%) within 3 km, cropland (63%) within 16 km, and trees (39%), water (31%) and cropland (21%) within 80 km.

3 km
10 m
16 km
20 m
80 km
3,105 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
April weather nearby: Welahan 13 km · Mranggen 20 km · Pecangaan 23 km · Kudus 24 km · Semarang 27 km · Baekrajan 27 km · Gebog 28 km · Jekulo 33 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 Demak (-6.8909°, 110.6396°, elevation 9 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).