Siargao weather in August

In August, Siargao sees average daytime highs of 29°C and overnight lows near 27°C, with 94 mm of rain across 15 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 12th-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 11% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Siargao's 10th-clearest and 12th-windiest month. For the whole year in context, see Siargao's year-round climate.

Daytime high
29°
1st warmest
Overnight low
27°
12th coldest
Rainfall
94 mm
15 wet days
Daylight
12 h 18 min
5:30 AM – 5:50 PM
Cloud cover
79%
10th clearest
Wind
13 km/h
12th windiest
Solar energy
5.67 kWh/m²
Travel score
4.6
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical August day in Siargao reaches about 29°C in the afternoon and slips back to 27°C overnight — a 2°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, August runs on par with July and on par with September.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12927
22927
32927
42927
52927
62927
72927
82927
92927
102927
112927
122927
132927
142927
152927
162927
172927
182927
192927
202927
212927
222927
232927
242927
252927
262927
272927
282927
292927
302927
312927

How August really feels in Siargao

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Siargao weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°38827.311.53.9
Feb27° / 25°2802311.74.2
Mar27° / 26°20523.311.94.5
Apr28° / 26°12420.112.24.9
May28° / 27°9918.112.44.7
Jun29° / 27°13520.312.64.1
Jul29° / 27°1261912.54.2
Aug29° / 27°941512.34.6
Sep29° / 27°1121712.14.4
Oct28° / 27°16722.111.84.1
Nov28° / 26°26425.311.54.0
Dec27° / 26°32127.711.43.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 79%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21288
31387
41486
51486
61486
71783
81783
91882
101981
112080
122179
132278
142377
152377
162476
172476
182476
192476
202575
212575
222575
232575
242575
252575
262575
272575
282575
292575
302575
312476

Chance of precipitation in August

Any precipitation

Siargao gets around 94 mm of rain over 15 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 49% and peaks near 52% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
151
250
349
448
547
646
745
845
945
1045
1145
1245
1346
1447
1548
1649
1749
1850
1951
2051
2152
2252
2352
2452
2552
2652
2752
2852
2952
3052
3152

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
14852
24852
34753
44753
54753
64753
74753
84852
94852
104852
114951
124951
135050
145050
155050
165149
175149
185149
195248
205248
215248
225248
235248
245248
255248
265248
275347
285347
295446
305446
315545

Wind in August

Winds average 13 km/h in August, the calmest month.

Across August, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 24 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over August. Sunrise moves from 5:29 AM to 5:30 AM, and sunset from 5:55 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:295:55
212.45:295:55
312.45:295:54
412.45:295:54
512.45:295:54
612.45:295:54
712.45:295:53
812.45:305:53
912.45:305:53
1012.45:305:52
1112.45:305:52
1212.45:305:51
1312.45:305:51
1412.35:305:51
1512.35:305:50
1612.35:305:50
1712.35:305:49
1812.35:305:49
1912.35:305:48
2012.35:305:48
2112.35:305:47
2212.35:305:47
2312.35:305:46
2412.35:305:46
2512.35:305:45
2612.25:305:45
2712.25:305:44
2812.25:305:44
2912.25:305:43
3012.25:305:42
3112.25:305:42

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.67 kWh/m².

For context, solar energy here swings from a low near 4.11 kWh/m² to a high of 6.11 kWh/m² in April across the year — August's 5.67 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in August

Hazard calendar for Siargao

In seasonPeak

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

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

Siargao's rainy season runs November–March, when most of the year's rain falls.

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

Is August a good time to visit Siargao?

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

4.6
Sightseeing
3rd-best month of the year
5.9
Beach & pool
1st-best month of the year

August is a reasonable time to visit Siargao for sightseeing.

What to pack for Siargao in August

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

In August, Siargao sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Siargao 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 offshore is warmest in June at about 30°C and coldest in February 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
Jan28Warm
Feb28Warm
Mar28Warm
Apr29Tropical
May29Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Siargao in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Siargao peaks around April 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 10UV 14Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high
Location & terrain

Where is Siargao?

Siargao sits at 9.9°N, 126.1°E, 0 m above sea level, in Philippines. The nearest listed city is Surigao, 62 km away.

TandagCabadbaranButuanLibertadBuenavistaBayugan

Topography around Siargao

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

Within 3 km, the terrain around Siargao has only modest variations in elevation — a maximum elevation change of 226 m around an average of 63 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 254 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,784 m.

The land around Siargao is covered by trees (84%) within 3 km, water (46%) and trees (40%) within 16 km, and water (73%) and trees (23%) within 80 km.

3 km
226 m
16 km
254 m
80 km
1,784 m
treesgrasslandcroplandwatermangroves
August weather nearby: Surigao 62 km · San Jose 63 km · Tandag 90 km · Cabadbaran 101 km · Butuan 117 km · Libertad 119 km · Buenavista 122 km · Bayugan 128 km

Philippines travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
230 V · 60 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$4,171
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
48%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
12
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 569
Religion
Roman Catholic 79%other 8%Muslim 6%other Christian 4%

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 Siargao (9.8708°, 126.0511°, elevation 0 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).