Vigan weather in August

In August, Vigan sees average daytime highs of 28°C and overnight lows near 25°C, with 617 mm of rain across 28.8 wet days and about 12.6 hours of daylight. It is the 10th-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 3% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Vigan's 12th-clearest and 2nd-windiest month. For the whole year in context, see Vigan's year-round climate.

Daytime high
28°
10th warmest
Overnight low
25°
10th coldest
Rainfall
617 mm
28.8 wet days
Daylight
12 h 36 min
5:45 AM – 6:20 PM
Cloud cover
88%
12th clearest
Wind
13 km/h
2nd windiest
Solar energy
4.7 kWh/m²
Travel score
3.2
out of 10

Vigan is city of the Philippines and capital of the province of Ilocos Sur.

Density
1,933/km²
people per km²
Founded
1572

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 Vigan reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°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, August runs on par with July and on par with September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
122825
132825
142825
152825
162825
172825
182825
192825
202825
212825
222825
232825
242825
252825
262825
272825
282825
292825
302825
312825

How August really feels in Vigan

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.

Vigan weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 22°163.111.17.7
Feb28° / 22°16311.47.7
Mar29° / 23°235.611.96.7
Apr29° / 25°491212.45.4
May29° / 25°20322.912.83.7
Jun29° / 25°36727.2133.1
Jul29° / 25°59029.212.93.1
Aug28° / 25°61728.812.63.2
Sep28° / 25°41127.612.13.3
Oct29° / 24°24019.511.64.3
Nov29° / 24°9312.811.25.2
Dec28° / 23°457.4116.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of August, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
3991
4991
5991
6991
7991
8991
9991
10991
11892
12991
13991
14991
15991
16892
17991
18991
19991
20991
211090
221090
231090
241090
251090
261189
271189
281189
291189
301288
311288

Chance of precipitation in August

Any precipitation

Vigan gets around 617 mm of rain over 28.8 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
295
395
495
594
694
794
893
993
1093
1193
1292
1392
1492
1592
1692
1792
1892
1992
2092
2192
2292
2392
2492
2592
2692
2792
2892
2992
3092
3192

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16832
26733
36733
46733
56733
66733
76733
86832
96832
106931
116931
127030
137129
147129
157228
167327
177327
187426
197426
207525
217525
227624
237624
247723
257723
267822
277822
287822
297921
307921
317921

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512calm
2612calm
2712calm
2812calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 48 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over August. Sunrise moves from 5:41 AM to 5:48 AM, and sunset from 6:28 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:416:28
212.85:416:28
312.85:416:28
412.85:416:27
512.75:426:27
612.75:426:26
712.75:426:26
812.75:436:25
912.75:436:25
1012.75:436:24
1112.75:436:24
1212.75:446:23
1312.65:446:22
1412.65:446:22
1512.65:446:21
1612.65:456:20
1712.65:456:20
1812.65:456:19
1912.65:456:18
2012.55:466:18
2112.55:466:17
2212.55:466:16
2312.55:466:16
2412.55:466:15
2512.55:466:14
2612.45:476:13
2712.45:476:13
2812.45:476:12
2912.45:476:11
3012.45:476:10
3112.45:486:09

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.7 kWh/m².

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 6.68 kWh/m² in April across the year — August's 4.7 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Hazard calendar for Vigan

In seasonPeak

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

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

Vigan's monsoon runs June–September, when most of the year's rain falls.

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

Is August a good time to visit Vigan?

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

3.2
Sightseeing
10th-best month of the year
3.8
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Vigan.

What to pack for Vigan in August

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

In August, Vigan sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Vigan 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 27°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
Jan27Warm
Feb27Warm
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Vigan 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 Vigan peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 13Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Vigan in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Vigan is worst in March — around 16 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2416 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar16Moderate
Apr16Moderate
May11Good
Jun10Good
Jul9Good
Aug10Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Vigan?

Vigan sits at 17.6°N, 120.4°E, 19 m above sea level, in Philippines. The nearest listed city is Bantay, 1.0 km away.

Topography around Vigan

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

Within 3 km, the terrain around Vigan has only modest variations in elevation — a maximum elevation change of 45 m around an average of 9 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,097 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,557 m.

The land around Vigan is covered by cropland (44%), trees (31%) and artificial surfaces (21%) within 3 km, water (50%) and trees (29%) within 16 km, and trees (49%) and water (38%) within 80 km.

3 km
45 m
16 km
1,097 m
80 km
2,557 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Bantay 1.0 km · Bangued 27 km · Batac City 57 km · Santa Maria 70 km · San Nicolas 70 km · Tagudin 71 km · Laoag 73 km · Bontoc 83 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 Vigan (17.5747°, 120.3869°, elevation 19 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. 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).