Tondano weather in May

In May, Tondano sees average daytime highs of 28°C and overnight lows near 24°C, with 278 mm of rain across 28.1 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 9% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of May to 12 h 06 min by month's end. Set against the rest of the year, May is Tondano's 5th-clearest and 9th-windiest month. For the whole year in context, see Tondano's year-round climate.

Daytime high
28°
5th warmest
Overnight low
24°
12th coldest
Rainfall
278 mm
28.1 wet days
Daylight
12 h 06 min
5:35 AM – 5:38 PM
Cloud cover
75%
5th clearest
Wind
7 km/h
9th windiest
Solar energy
5.44 kWh/m²
Travel score
3.7
out of 10

Tondano is capital of Minahasa Regency, North Sulawesi, Indonesia.

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 28°C through the month.

A typical May day in Tondano reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292823
302723
312723

Tondano weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 23°21527.411.93.7
Feb28° / 23°20623124.0
Mar28° / 23°21825.8124.0
Apr28° / 24°27326.6123.7
May28° / 24°27828.112.13.7
Jun27° / 23°26725.812.13.9
Jul27° / 23°19522.412.14.6
Aug27° / 23°11817.2125.4
Sep27° / 23°12416.7125.2
Oct28° / 23°19321.8124.6
Nov28° / 24°24427.411.93.6
Dec28° / 24°23928.811.93.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31783
41783
51882
61981
71981
82080
92179
102278
112278
122476
132476
142575
152674
162773
172971
182971
193070
203169
213268
223268
233169
243169
253169
263070
272971
282872
292872
302773
312773

Chance of precipitation in May

Any precipitation

Tondano gets around 278 mm of rain over 28.1 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 90% and peaks near 94% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
394
494
594
694
794
893
993
1092
1192
1291
1390
1490
1589
1689
1789
1888
1988
2088
2188
2288
2388
2488
2588
2688
2788
2888
2988
3088
3188

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10991
20991
30991
40982
50982
60982
70982
80982
90973
100973
110973
120973
130973
140964
150964
160964
170964
180964
190964
200964
210973
220973
230973
240973
250973
260982
271972
281972
291972
301981
311981

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 hours at the start of May to 12 h 06 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 5:36 AM to 5:36 AM, and sunset from 5:39 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:365:39
212.05:365:39
312.05:365:39
412.05:365:39
512.05:365:39
612.15:355:38
712.15:355:38
812.15:355:38
912.15:355:38
1012.15:355:38
1112.15:355:38
1212.15:355:38
1312.15:355:38
1412.15:355:38
1512.15:355:38
1612.15:355:38
1712.15:355:38
1812.15:355:38
1912.15:355:39
2012.15:355:39
2112.15:355:39
2212.15:355:39
2312.15:355:39
2412.15:355:39
2512.15:355:39
2612.15:355:39
2712.15:355:39
2812.15:355:39
2912.15:355:40
3012.15:365:40
3112.15:365:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.44 kWh/m².

For context, solar energy here swings from a low near 5.05 kWh/m² to a high of 6.31 kWh/m² in September across the year — May's 5.44 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Tondano?

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

3.7
Sightseeing
8th-best month of the year
3.9
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Tondano.

What to pack for Tondano in May

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

In May, Tondano sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Tondano 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 at the nearest coast (about 25 km away) is warmest in May at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Tondano 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 Tondano peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 19 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 15Nov 19UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep14Extreme
Oct14Extreme
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Tondano?

Tondano sits at 1.3°N, 124.9°E, 693 m above sea level, in Indonesia. The nearest listed city is Tomohon, 12 km away.

SofifiLuwuk

Topography around Tondano

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

Within 3 km, the terrain around Tondano has significant variations in elevation — a maximum elevation change of 276 m around an average of 710 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,537 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,962 m.

The land around Tondano is covered by trees (43%) and grassland (21%) within 3 km, trees (78%) within 16 km, and water (67%) and trees (30%) within 80 km.

3 km
276 m
16 km
1,537 m
80 km
1,962 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Tomohon 12 km · Manado 21 km · Bitung 28 km · Gorontalo 223 km · Tahuna 264 km · Ternate 281 km · Sofifi 301 km · Luwuk 345 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 Tondano (1.3054°, 124.9126°, elevation 693 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).