Banjarbaru weather in May

In May, Banjarbaru sees average daytime highs of 32°C and overnight lows near 24°C, with 185 mm of rain across 21.9 wet days and about 11.8 hours of daylight. It is the 4th-warmest and 7th-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 10% of the time in May, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Banjarbaru's 5th-clearest and 9th-windiest month. For the whole year in context, see Banjarbaru's year-round climate.

Daytime high
32°
4th warmest
Overnight low
24°
12th coldest
Rainfall
185 mm
21.9 wet days
Daylight
11 h 48 min
6:22 AM – 6:12 PM
Cloud cover
75%
5th clearest
Wind
5 km/h
9th windiest
Solar energy
4.83 kWh/m²
Travel score
3.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical May day in Banjarbaru reaches about 32°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, May runs on par with April and on par with June.

20°25°30°35°151015202531
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
273124
283124
293124
303124
313124

How May really feels in Banjarbaru

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
15 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.

Banjarbaru weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°33728.912.22.6
Feb31° / 24°26725.112.12.6
Mar31° / 24°29427.4122.6
Apr31° / 24°28427.311.92.5
May32° / 24°18521.911.83.0
Jun31° / 24°13818.111.83.5
Jul31° / 23°10013.511.84.0
Aug32° / 23°628.911.93.9
Sep33° / 23°749123.5
Oct33° / 24°17216.912.12.9
Nov31° / 24°3042712.22.4
Dec30° / 24°39029.712.22.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11585
21585
31684
41783
51783
61783
71981
82080
92179
102377
112377
122575
132674
142872
153070
163070
173268
183268
193268
203367
213367
223367
233367
243268
253268
263169
273169
283070
292773
302773
312674

Chance of precipitation in May

Any precipitation

Banjarbaru gets around 185 mm of rain over 21.9 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 71% and peaks near 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
384
483
582
680
779
877
976
1074
1172
1271
1369
1468
1567
1665
1765
1864
1963
2063
2163
2264
2364
2465
2565
2666
2766
2867
2967
3067
3168

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 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1793
2793
3892
4892
5991
61090
71090
81189
91288
101387
111585
121684
131783
141981
152080
162179
172377
182476
192575
202674
212773
222773
232872
242872
252872
262971
272971
282971
292971
302971
312971

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 6 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
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May 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 May. Sunrise moves from 6:21 AM to 6:24 AM, and sunset from 6:14 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:216:14
211.96:216:14
311.96:216:14
411.96:216:14
511.96:216:14
611.96:216:13
711.96:216:13
811.96:216:13
911.96:216:13
1011.96:216:13
1111.96:216:13
1211.96:216:13
1311.96:216:12
1411.86:216:12
1511.86:216:12
1611.86:226:12
1711.86:226:12
1811.86:226:12
1911.86:226:12
2011.86:226:12
2111.86:226:12
2211.86:226:12
2311.86:226:12
2411.86:226:12
2511.86:236:12
2611.86:236:12
2711.86:236:12
2811.86:236:12
2911.86:236:12
3011.86:236:12
3111.86:246:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.83 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 5.7 kWh/m² in September across the year — May's 4.83 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
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.7Bright
314.7Bright
Planning a trip in May

Is May a good time to visit Banjarbaru?

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

3.0
Sightseeing
5th-best month of the year
4.6
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Banjarbaru.

What to pack for Banjarbaru in May

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

In May, Banjarbaru sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Banjarbaru 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 31 km away) is warmest in April at about 30°C and coldest in August near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Banjarbaru 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 Banjarbaru peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 16UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme

Air quality in Banjarbaru 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 Banjarbaru is worst in September — around 29 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (January, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 2329 µg/m³Jan 1412 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar14Moderate
Apr13Moderate
May13Moderate
Jun14Moderate
Jul14Moderate
Aug17Moderate
Sep29Moderate
Oct29Moderate
Nov20Moderate
Dec13Moderate
Location & terrain

Where is Banjarbaru?

Banjarbaru sits at 3.4°S, 114.8°E, 28 m above sea level, in Indonesia. The nearest listed city is Martapura, 5.0 km away.

Topography around Banjarbaru

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

Within 3 km, the terrain around Banjarbaru has only modest variations in elevation — a maximum elevation change of 58 m around an average of 26 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 458 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,369 m.

The land around Banjarbaru is covered by artificial surfaces (57%) and trees (36%) within 3 km, trees (50%) and grassland (21%) within 16 km, and trees (55%) and water (20%) within 80 km.

3 km
58 m
16 km
458 m
80 km
1,369 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Martapura 5.0 km · Banjarmasin 30 km · Kualakapuas 69 km · Barabai 113 km · Amuntai 123 km · Tanjung 155 km · Palangkaraya 171 km · Sampit 233 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 Banjarbaru (-3.4406°, 114.8365°, elevation 28 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).