Tarakan weather in May

In May, Tarakan sees average daytime highs of 29°C and overnight lows near 26°C, with 249 mm of rain across 29.3 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 5th-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 16% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of May to 12 h 12 min by month's end. Set against the rest of the year, May is Tarakan's 4th-clearest and 9th-windiest month. For the whole year in context, see Tarakan's year-round climate.

Daytime high
29°
1st warmest
Overnight low
26°
12th coldest
Rainfall
249 mm
29.3 wet days
Daylight
12 h 06 min
6:01 AM – 6:10 PM
Cloud cover
70%
4th clearest
Wind
7 km/h
9th windiest
Solar energy
5.14 kWh/m²
Travel score
3.1
out of 10

Tarakan is city in North Kalimantan Province, Indonesia.

Density
1,018/km²
people per km²
Founded
1997

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 29°C through the month.

A typical May day in Tarakan reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°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, May runs on par with April and on par with June.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How May really feels in Tarakan

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
heat index over the day's high
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.

Tarakan weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°26026.811.83.7
Feb28° / 25°20924.911.93.7
Mar28° / 25°23528.5123.4
Apr29° / 26°22627.912.13.3
May29° / 26°24929.312.13.1
Jun29° / 26°21726.912.23.3
Jul29° / 26°21026.812.23.4
Aug29° / 26°21126.512.13.4
Sep29° / 25°22727.2123.3
Oct29° / 26°26029.411.93.1
Nov29° / 25°2782911.83.1
Dec28° / 25°29829.911.83.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43268
53268
63268
73169
83169
93169
103169
113169
123268
133367
143367
153367
163466
173565
183565
193565
203664
213664
223664
233664
243664
253664
263664
273466
283466
293367
303367
313169

Chance of precipitation in May

Any precipitation

Tarakan gets around 249 mm of rain over 29.3 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 94% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
296
396
496
596
696
796
896
996
1096
1196
1296
1395
1495
1595
1695
1794
1894
1994
2093
2193
2293
2393
2493
2593
2693
2793
2893
2992
3092
3192

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11288
21189
31189
41090
51090
61090
71090
81090
91090
101090
111090
121189
131189
141189
151189
161189
171288
181288
191387
201387
211486
221486
231585
241684
251684
261783
271783
281882
291882
301981
311981

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 06 min at the start of May to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over May. Sunrise moves from 6:03 AM to 6:02 AM, and sunset from 6:10 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:036:10
212.16:036:10
312.16:036:10
412.16:036:10
512.16:036:10
612.16:026:10
712.16:026:10
812.16:026:10
912.16:026:10
1012.16:026:10
1112.16:026:10
1212.16:026:10
1312.16:026:10
1412.16:026:10
1512.16:016:10
1612.16:016:10
1712.26:016:10
1812.26:016:11
1912.26:016:11
2012.26:016:11
2112.26:016:11
2212.26:016:11
2312.26:016:11
2412.26:016:11
2512.26:016:11
2612.26:016:11
2712.26:016:12
2812.26:016:12
2912.26:026:12
3012.26:026:12
3112.26:026:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.14 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 5.54 kWh/m² in September across the year — May's 5.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Tarakan

In seasonPeak

In May, Tarakan sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Tarakan sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Tarakan?

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

3.1
Sightseeing
9th-best month of the year
4.0
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Tarakan.

What to pack for Tarakan in May

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

In May, Tarakan sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Tarakan 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 21 km away) is warmest in May at about 30°C and coldest in January 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
Nov29Tropical
Dec29Tropical

UV index in Tarakan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Tarakan peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Dec 15UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec11Extreme

Air quality in Tarakan 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 Tarakan is worst in September — around 28 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (January, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1327 µg/m³Jan 137 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr11Good
May9Good
Jun10Good
Jul13Moderate
Aug22Moderate
Sep28Moderate
Oct15Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Tarakan?

Tarakan sits at 3.3°N, 117.6°E, 29 m above sea level, in Indonesia. The nearest listed city is Tanjung Selor, 59 km away.

Topography around Tarakan

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

Within 3 km, the terrain around Tarakan has only modest variations in elevation — a maximum elevation change of 107 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 116 m; within 80 km, large variations in elevation — a maximum elevation change of 1,016 m.

The land around Tarakan is covered by trees (37%) and artificial surfaces (36%) within 3 km, water (64%) and trees (22%) within 16 km, and water (47%) and trees (40%) within 80 km.

3 km
107 m
16 km
116 m
80 km
1,016 m
treesgrasslandartificial surfacesbare terrainwatermangroves
May weather nearby: Tanjung Selor 59 km · Nunukan 92 km · Tawau 109 km · Malinau 112 km · Semporna 172 km · Lahad Datu 207 km · Bandar Nabawan 231 km · Sitangkai 250 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 Tarakan (3.3133°, 117.5915°, elevation 29 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).