Samarinda weather in April

In April, Samarinda sees average daytime highs of 31°C and overnight lows near 24°C, with 310 mm of rain across 27.2 wet days and about 12 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 3% of the time in April, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of April to 12 hours by month's end. Set against the rest of the year, April is Samarinda's 7th-clearest and 11th-windiest month. For the whole year in context, see Samarinda's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
24°
11th coldest
Rainfall
310 mm
27.2 wet days
Daylight
12 hours
6:12 AM – 6:11 PM
Cloud cover
85%
7th clearest
Wind
5 km/h
11th windiest
Solar energy
5.05 kWh/m²
Travel score
2.4
out of 10

Samarinda is city in East Kalimantan Province, Indonesia.

Density
1,105/km²
people per km²
Founded
1668

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 31°C through the month.

A typical April day in Samarinda reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How April really feels in Samarinda

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
25 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.

Samarinda weather by month

How April compares with the rest of the year at a glance. April is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°27725.9122.7
Feb31° / 24°23922.7122.8
Mar31° / 24°29926.6122.6
Apr31° / 24°31027.2122.4
May31° / 24°26028.5122.5
Jun31° / 24°22725.9122.7
Jul31° / 24°18623.7123.1
Aug31° / 24°16020.5123.3
Sep32° / 24°17321.3123.0
Oct32° / 24°22625.5122.6
Nov31° / 24°29028.2122.3
Dec31° / 24°31529.1122.4

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 8% of April, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31189
41090
51090
61189
71288
81288
91288
101288
111288
121288
131387
141387
151387
161387
171288
181288
191288
201288
211090
221090
231090
241090
251090
261090
271090
281090
291090
301189

Chance of precipitation in April

Any precipitation

Samarinda gets around 310 mm of rain over 27.2 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 91% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
189
289
389
489
589
690
790
890
990
1089
1189
1290
1390
1490
1590
1690
1791
1891
1991
2091
2191
2292
2392
2492
2593
2693
2793
2893
2993
3094

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 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
11387
21387
31288
41288
51288
61189
71189
81189
91090
101090
111090
12991
13991
14892
15892
16793
17793
18793
19694
20694
21595
22595
23496
24496
25496
26397
27397
28397
29298
30298

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 hours at the start of April to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over April. Sunrise moves from 6:16 AM to 6:09 AM, and sunset from 6:16 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:166:16
212.06:166:16
312.06:166:15
412.06:156:15
512.06:156:15
612.06:156:14
712.06:146:14
812.06:146:14
912.06:146:13
1012.06:146:13
1112.06:136:13
1212.06:136:12
1312.06:136:12
1412.06:126:12
1512.06:126:12
1612.06:126:11
1712.06:126:11
1812.06:116:11
1912.06:116:11
2012.06:116:10
2112.06:116:10
2212.06:116:10
2312.06:106:10
2412.06:106:09
2512.06:106:09
2612.06:106:09
2712.06:106:09
2812.06:106:09
2912.06:096:08
3012.06:096:08

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.05 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 5.56 kWh/m² in September across the year — April's 5.05 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
Planning a trip in April

Is April a good time to visit Samarinda?

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

2.4
Sightseeing
10th-best month of the year
3.7
Beach & pool
10th-best month of the year

April is a weaker month for outdoor sightseeing in Samarinda.

What to pack for Samarinda in April

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

In April, Samarinda sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Samarinda 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 50 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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Samarinda in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Samarinda peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 12UV 15Jul 10UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme

Air quality in Samarinda 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 Samarinda is worst in October — around 28 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (March, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1427 µg/m³Mar 1314 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar14Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul15Moderate
Aug16Moderate
Sep23Moderate
Oct28Moderate
Nov17Moderate
Dec15Moderate
Location & terrain

Where is Samarinda?

Samarinda sits at 0.5°S, 117.1°E, 24 m above sea level, in Indonesia. The nearest listed city is Loa Janan, 12 km away.

AmuntaiBarabaiPalu

Topography around Samarinda

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

Within 3 km, the terrain around Samarinda has only modest variations in elevation — a maximum elevation change of 118 m around an average of 14 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 261 m; within 80 km, large variations in elevation — a maximum elevation change of 686 m.

The land around Samarinda is covered by artificial surfaces (62%) and trees (23%) within 3 km, trees (63%) within 16 km, and trees (57%) and water (31%) within 80 km.

3 km
118 m
16 km
261 m
80 km
686 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
April weather nearby: Loa Janan 12 km · Bontang 79 km · Balikpapan 93 km · Muara Teweh 255 km · Tanjung 269 km · Amuntai 300 km · Barabai 304 km · Palu 307 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 Samarinda (-0.4917°, 117.1458°, elevation 24 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. 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).