Samarinda weather in May

In May, Samarinda sees average daytime highs of 31°C and overnight lows near 24°C, with 260 mm of rain across 28.5 wet days and about 12 hours of daylight. It is the 5th-warmest and 6th-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 5% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of May to 12 hours by month's end. Set against the rest of the year, May is Samarinda's 5th-clearest and 9th-windiest month. For the whole year in context, see Samarinda's year-round climate.

Daytime high
31°
5th warmest
Overnight low
24°
12th coldest
Rainfall
260 mm
28.5 wet days
Daylight
12 hours
6:08 AM – 6:07 PM
Cloud cover
81%
5th clearest
Wind
5 km/h
9th windiest
Solar energy
4.82 kWh/m²
Travel score
2.5
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 May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical May 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 29°C and 33°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
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
313124

How May really feels in Samarinda

Once humidity and wind are folded in, May averages 31 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
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Samarinda weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31189
41189
51288
61288
71387
81387
91387
101387
111486
121486
131486
141684
151684
161783
171882
181882
192080
202080
212179
222179
232278
242278
252278
262278
272179
282179
292179
302080
312080

Chance of precipitation in May

Any precipitation

Samarinda gets around 260 mm of rain over 28.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
594
694
794
894
994
1093
1193
1293
1392
1492
1591
1691
1790
1890
1990
2090
2189
2289
2389
2489
2589
2690
2790
2890
2990
3090
3191

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

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

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1298
2298
3298
4199
5199
6199
7199
8199
9199
10298
11298
12298
13298
14298
15298
16298
17298
18298
19298
20298
21298
22298
23298
24298
25298
26397
27397
28397
29397
30397
31397

Wind in May

Winds average 5 km/h in May.

Across May, 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.

0246810151015202531
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
315calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 0 minutes over May. Sunrise moves from 6:09 AM to 6:10 AM, and sunset from 6:08 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:096:08
212.06:096:08
312.06:096:08
412.06:096:08
512.06:096:08
612.06:096:07
712.06:096:07
812.06:086:07
912.06:086:07
1012.06:086:07
1112.06:086:07
1212.06:086:07
1312.06:086:07
1412.06:086:07
1512.06:086:07
1612.06:086:07
1712.06:086:07
1812.06:086:07
1912.06:086:07
2012.06:086:07
2112.06:096:07
2212.06:096:07
2312.06:096:07
2412.06:096:07
2512.06:096:07
2612.06:096:07
2712.06:096:08
2812.06:096:08
2912.06:096:08
3012.06:096:08
3112.06:106:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.82 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 — May's 4.82 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Is May a good time to visit Samarinda?

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

2.5
Sightseeing
9th-best month of the year
3.7
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Samarinda.

What to pack for Samarinda in May

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

In May, Samarinda sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Samarinda in May

The nearest coast averages about 30°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).