Ambon weather in May

In May, Ambon sees average daytime highs of 27°C and overnight lows near 26°C, with 230 mm of rain across 24.6 wet days and about 11.8 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 21% of the time in May, and the air most often feels oppressive.

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 Ambon's 6th-clearest and 7th-windiest month. For the whole year in context, see Ambon's year-round climate.

Daytime high
27°
7th warmest
Overnight low
26°
6th coldest
Rainfall
230 mm
24.6 wet days
Daylight
11 h 48 min
6:29 AM – 6:18 PM
Cloud cover
69%
6th clearest
Wind
15 km/h
7th windiest
Solar energy
4.82 kWh/m²
Travel score
4.3
out of 10

Ambon is city in Maluku Province, Indonesia.

Density
1,163/km²
people per km²
Founded
1575

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 27°C through the month.

A typical May day in Ambon reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 28°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232726
242726
252726
262726
272726
282726
292726
302726
312726

How May really feels in Ambon

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ambon weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 27°16123.612.24.1
Feb28° / 27°12119.812.14.3
Mar28° / 26°15822.8124.3
Apr28° / 26°20324.911.94.0
May27° / 26°23024.611.84.3
Jun26° / 25°24123.911.84.4
Jul26° / 25°17521.911.84.8
Aug26° / 25°10016.711.95.7
Sep26° / 25°7114.3125.8
Oct27° / 26°701512.15.7
Nov28° / 26°7916.612.25.2
Dec28° / 27°15723.812.23.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22773
32773
42674
52773
62872
72872
82971
93169
103268
113367
123466
133565
143664
153763
163862
173862
183961
194060
203961
214060
224159
234060
243961
253961
263961
273763
283664
293763
303664
313565

Chance of precipitation in May

Any precipitation

Ambon gets around 230 mm of rain over 24.6 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 79% and peaks near 86% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
183
283
383
482
581
680
779
878
977
1076
1175
1274
1374
1474
1574
1674
1774
1875
1976
2077
2178
2280
2381
2482
2583
2684
2785
2885
2985
3086
3185

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
105644
205644
305545
405545
505644
605644
705644
805743
905743
1005743
1115742
1215841
1315841
1415940
1516039
1616138
1716237
1806337
1906436
2006535
2106535
2206634
2306733
2406733
2506832
2606931
2707030
2807129
2907228
3007327
3107426

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3018light breeze
3118light breeze

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 6:28 AM to 6:31 AM, and sunset from 6:21 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:286:21
211.96:286:20
311.96:286:20
411.96:286:20
511.96:286:20
611.96:286:20
711.96:286:19
811.96:286:19
911.96:286:19
1011.86:286:19
1111.86:286:19
1211.86:286:19
1311.86:286:19
1411.86:286:19
1511.86:286:19
1611.86:296:18
1711.86:296:18
1811.86:296:18
1911.86:296:18
2011.86:296:18
2111.86:296:18
2211.86:296:18
2311.86:296:18
2411.86:296:18
2511.86:306:18
2611.86:306:18
2711.86:306:18
2811.86:306:19
2911.86:306:19
3011.86:306:19
3111.86:316:19

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 4.43 kWh/m² to a high of 6.16 kWh/m² in October across the year — May's 4.82 kWh/m² sits near the bottom.

024151015202531
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
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in May

Is May a good time to visit Ambon?

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

4.3
Sightseeing
7th-best month of the year
4.4
Beach & pool
10th-best month of the year

May is a reasonable time to visit Ambon for sightseeing.

What to pack for Ambon in May

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

In May, Ambon sees daytime highs around 27°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Ambon in May

The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 29°C and coldest in August near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug27Warm
Sep27Warm
Oct28Tropical
Nov29Tropical
Dec29Tropical

UV index in Ambon 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 Ambon peaks around February 19 at about 16 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jul 10UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Ambon?

Ambon sits at 3.7°S, 128.2°E, 12 m above sea level, in Indonesia. The nearest listed city is Amahai, 91 km away.

SananaWaisaiSorong

Topography around Ambon

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

Within 3 km, the terrain around Ambon has significant variations in elevation — a maximum elevation change of 344 m around an average of 62 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 875 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,302 m.

The land around Ambon is covered by trees (40%), water (33%) and artificial surfaces (25%) within 3 km, water (49%) and trees (47%) within 16 km, and water (72%) and trees (27%) within 80 km.

3 km
344 m
16 km
875 m
80 km
1,302 m
treesgrasslandartificial surfaceswater
May weather nearby: Amahai 91 km · Masohi 98 km · Namlea 130 km · Namrole 163 km · Kawasi 249 km · Sanana 305 km · Waisai 463 km · Sorong 464 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 Ambon (-3.6958°, 128.1833°, elevation 12 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).