Tomohon weather in August

In August, Tomohon sees average daytime highs of 28°C and overnight lows near 22°C, with 166 mm of rain across 18.4 wet days and about 12 hours of daylight. It is the 6th-warmest and 12th-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 15% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of August to 12 hours by month's end. Set against the rest of the year, August is Tomohon's 1st-clearest and 1st-windiest month. For the whole year in context, see Tomohon's year-round climate.

Daytime high
28°
6th warmest
Overnight low
22°
2nd coldest
Rainfall
166 mm
18.4 wet days
Daylight
12 hours
5:44 AM – 5:46 PM
Cloud cover
68%
1st clearest
Wind
6 km/h
1st windiest
Solar energy
5.88 kWh/m²
Travel score
4.6
out of 10

Tomohon is city in North Sulawesi Province, Indonesia.

Density
188/km²
people per km²
Founded
2003

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Tomohon reaches about 28°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152822
162822
172822
182821
192821
202821
212821
222821
232821
242921
252921
262921
272921
282921
292921
302921
312921

How August really feels in Tomohon

Once humidity and wind are folded in, August 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

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

Tomohon weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 22°30428.911.93.5
Feb28° / 22°28225.3123.6
Mar28° / 22°29528.4123.3
Apr29° / 22°33227.4123.2
May29° / 23°3542912.13.1
Jun28° / 22°33926.312.13.6
Jul28° / 22°25323.312.14.3
Aug28° / 22°16618.4124.6
Sep29° / 21°18919.5124.1
Oct29° / 22°27624.7123.5
Nov29° / 22°31928.711.93.0
Dec28° / 22°3233011.93.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
23070
33169
43169
53268
63268
73268
83367
93367
103367
113367
123367
133466
143466
153565
163565
173565
183466
193466
203565
213565
223565
233565
243565
253565
263565
273466
283466
293367
303367
313268

Chance of precipitation in August

Any precipitation

Tomohon gets around 166 mm of rain over 18.4 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 66% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
162
261
360
460
559
658
758
858
957
1057
1157
1257
1357
1457
1557
1657
1757
1858
1958
2059
2160
2260
2361
2462
2563
2663
2764
2865
2965
3066
3166

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 71% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
102476
202476
302575
402674
502674
602773
702773
802872
902872
1002872
1112970
1212970
1312970
1413069
1513069
1613069
1713069
1813069
1913069
2013069
2113069
2212970
2312970
2412970
2512970
2602971
2702872
2802872
2912871
3012871
3112871

Wind in August

Winds average 6 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 5 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
16calm
26calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

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

Days shrink by about 6 minutes over August. Sunrise moves from 5:45 AM to 5:40 AM, and sunset from 5:49 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:455:49
212.15:455:48
312.15:455:48
412.15:455:48
512.15:455:48
612.15:455:48
712.15:455:48
812.15:455:48
912.15:455:48
1012.05:445:47
1112.05:445:47
1212.05:445:47
1312.05:445:47
1412.05:445:47
1512.05:445:46
1612.05:445:46
1712.05:435:46
1812.05:435:46
1912.05:435:45
2012.05:435:45
2112.05:435:45
2212.05:425:45
2312.05:425:44
2412.05:425:44
2512.05:425:44
2612.05:415:43
2712.05:415:43
2812.05:415:43
2912.05:415:42
3012.05:405:42
3112.05:405:42

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.88 kWh/m².

For context, solar energy here swings from a low near 4.89 kWh/m² to a high of 6.16 kWh/m² in September across the year — August's 5.88 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in August

Is August a good time to visit Tomohon?

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

4.6
Sightseeing
1st-best month of the year
5.4
Beach & pool
1st-best month of the year

August is a reasonable time to visit Tomohon for sightseeing.

What to pack for Tomohon in August

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

In August, Tomohon sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Tomohon in August

The nearest coast averages about 29°C in August — 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 June 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°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Tomohon in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tomohon 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 Tomohon?

Tomohon sits at 1.3°N, 124.8°E, 734 m above sea level, in Indonesia. The nearest listed city is Tondano, 12 km away.

TernateSofifiLuwuk

Topography around Tomohon

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

Within 3 km, the terrain around Tomohon has significant variations in elevation — a maximum elevation change of 490 m around an average of 719 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,565 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,962 m.

The land around Tomohon is covered by trees (80%) within 3 km, trees (79%) within 16 km, and water (65%) and trees (32%) within 80 km.

3 km
490 m
16 km
1,565 m
80 km
1,962 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Tondano 12 km · Manado 19 km · Bitung 39 km · Gorontalo 212 km · Tahuna 266 km · Ternate 293 km · Sofifi 313 km · Luwuk 337 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 Tomohon (1.3168°, 124.8038°, elevation 734 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).