Lumajang weather in April

In April, Lumajang sees average daytime highs of 29°C and overnight lows near 24°C, with 163 mm of rain across 23 wet days and about 11.8 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 11% 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 42 min by month's end. Set against the rest of the year, April is Lumajang's 7th-clearest and 11th-windiest month. For the whole year in context, see Lumajang's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
163 mm
23 wet days
Daylight
11 h 48 min
5:33 AM – 5:22 PM
Cloud cover
76%
7th clearest
Wind
4 km/h
11th windiest
Solar energy
4.91 kWh/m²
Travel score
3.6
out of 10

Lumajang is district in Lumajang Regency, East 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 29°C through the month.

A typical April day in Lumajang reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, April runs on par with March and about 1°C warmer than May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924

How April really feels in Lumajang

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
heat index over the day's high
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.

Lumajang weather by month

How April compares with the rest of the year at a glance. April is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°35828.712.42.9
Feb29° / 24°34726.512.32.8
Mar30° / 24°28326.912.13.1
Apr29° / 24°1632311.83.6
May29° / 24°9315.711.65.0
Jun27° / 23°6212.711.55.9
Jul26° / 22°4411.311.66.3
Aug26° / 21°3510.411.76.5
Sep27° / 22°6712.1126.0
Oct28° / 23°9616.812.25.0
Nov29° / 24°22723.512.43.6
Dec29° / 24°3162712.53.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% 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 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11783
21783
31783
41783
51882
61783
71783
81882
91981
101981
112080
122179
132278
142377
152476
162575
172674
182872
192971
203169
213268
223268
233367
243466
253565
263664
273763
283763
293862
303862

Chance of precipitation in April

Any precipitation

Lumajang gets around 163 mm of rain over 23 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 76% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
185
286
386
485
585
685
785
885
984
1084
1183
1282
1381
1480
1579
1678
1776
1875
1974
2072
2171
2270
2369
2467
2566
2665
2764
2864
2963
3062

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
107624
207624
307624
407624
507525
607525
707426
807426
907327
1007327
1107228
1207228
1307129
1407129
1507129
1607030
1707030
1816930
1916930
2017029
2117029
2217029
2317128
2417128
2517227
2617227
2717326
2817326
2927226
3027325

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 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
294calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over April. Sunrise moves from 5:34 AM to 5:33 AM, and sunset from 5:30 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:345:30
211.95:345:29
311.95:345:29
411.95:345:28
511.95:335:28
611.95:335:27
711.95:335:27
811.95:335:26
911.95:335:25
1011.95:335:25
1111.95:335:24
1211.95:335:24
1311.85:335:23
1411.85:335:23
1511.85:335:22
1611.85:335:22
1711.85:335:21
1811.85:335:21
1911.85:335:21
2011.85:335:20
2111.85:335:20
2211.85:335:19
2311.85:335:19
2411.85:335:18
2511.85:335:18
2611.85:335:18
2711.75:335:17
2811.75:335:17
2911.75:335:17
3011.75:335:16

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.91 kWh/m².

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 5.99 kWh/m² in October across the year — April's 4.91 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
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in April

Hazard calendar for Lumajang

In seasonPeak

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

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

Lumajang'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 Lumajang?

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

3.6
Sightseeing
7th-best month of the year
4.7
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Lumajang.

What to pack for Lumajang in April

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

In April, Lumajang sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Lumajang in April

The nearest coast averages about 29°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 March at about 29°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov28Warm
Dec29Tropical

UV index in Lumajang in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lumajang peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 21UV 13Jun 17UV 8
UV index (midday)Level
Jan12Extreme
Feb10Extreme
Mar13Extreme
Apr13Extreme
May10Very high
Jun7Very high
Jul10Very high
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Lumajang 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 Lumajang is worst in May — around 38 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (September, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1138 µg/m³Sep 1523 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb31Moderate
Mar37Poor
Apr38Poor
May38Poor
Jun36Poor
Jul31Moderate
Aug25Moderate
Sep23Moderate
Oct26Moderate
Nov28Moderate
Dec30Moderate
Location & terrain

Where is Lumajang?

Lumajang sits at 8.1°S, 113.2°E, 56 m above sea level, in Indonesia. The nearest listed city is Kencong, 23 km away.

Topography around Lumajang

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

Within 3 km, the terrain around Lumajang has only modest variations in elevation — a maximum elevation change of 45 m around an average of 54 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 841 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,644 m.

The land around Lumajang is covered by cropland (51%) and artificial surfaces (31%) within 3 km, trees (60%) and cropland (29%) within 16 km, and trees (46%) and water (39%) within 80 km.

3 km
45 m
16 km
841 m
80 km
3,644 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Kencong 23 km · Probolinggo 42 km · Kraksaan 46 km · Jember 52 km · Dampit 53 km · Pasuruan 65 km · Gongdanglegi Kulon 65 km · Lawang 67 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 Lumajang (-8.1335°, 113.2248°, elevation 56 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).