Irosin weather in August

In August, Irosin sees average daytime highs of 30°C and overnight lows near 26°C, with 222 mm of rain across 25.2 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 4% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Irosin's 11th-clearest and 7th-windiest month. For the whole year in context, see Irosin's year-round climate.

Daytime high
30°
4th warmest
Overnight low
26°
11th coldest
Rainfall
222 mm
25.2 wet days
Daylight
12 h 24 min
5:35 AM – 6:01 PM
Cloud cover
88%
11th clearest
Wind
13 km/h
7th windiest
Solar energy
5.02 kWh/m²
Travel score
3.1
out of 10

Irosin is municipality of the Philippines in the province of Sorsogon.

Density
138/km²
people per km²

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 30°C through the month.

A typical August day in Irosin reaches about 30°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183026
193026
203026
213026
223026
233026
243026
253026
263025
273025
283025
293025
303025
313025

How August really feels in Irosin

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.

Irosin weather by month

How August compares with the rest of the year at a glance. August is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°17220.411.34.8
Feb28° / 24°10715.711.65.0
Mar29° / 24°9015.611.94.9
Apr30° / 25°5912.212.34.7
May31° / 26°12818.812.63.6
Jun31° / 26°19124.412.72.9
Jul30° / 25°28427.612.72.8
Aug30° / 26°22225.212.43.1
Sep30° / 25°2482612.12.9
Oct30° / 25°21826.311.73.1
Nov29° / 25°18824.211.43.5
Dec28° / 25°24823.511.34.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 8% of August, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2793
3991
4991
5991
61090
71090
81189
91288
101288
111189
121288
131288
141288
151288
161288
171387
181387
191288
201288
211288
221288
231387
241486
251486
261486
271585
281585
291585
301585
311486

Chance of precipitation in August

Any precipitation

Irosin gets around 222 mm of rain over 25.2 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 82% and peaks near 87% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
286
384
483
582
681
780
880
979
1079
1179
1279
1379
1479
1580
1680
1781
1881
1982
2082
2182
2283
2383
2483
2583
2683
2782
2882
2982
3082
3182

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15298
16298
17298
18298
19298
20298
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298
31298

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 12 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
113light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light 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
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 5:33 AM to 5:36 AM, and sunset from 6:07 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:336:07
212.65:336:07
312.65:336:06
412.55:336:06
512.55:346:06
612.55:346:05
712.55:346:05
812.55:346:04
912.55:346:04
1012.55:346:04
1112.55:356:03
1212.55:356:03
1312.55:356:02
1412.45:356:02
1512.45:356:01
1612.45:356:01
1712.45:356:00
1812.45:356:00
1912.45:365:59
2012.45:365:59
2112.45:365:58
2212.45:365:57
2312.35:365:57
2412.35:365:56
2512.35:365:56
2612.35:365:55
2712.35:365:54
2812.35:365:54
2912.35:365:53
3012.35:365:52
3112.35:365:52

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.02 kWh/m².

For context, solar energy here swings from a low near 4.02 kWh/m² to a high of 6.33 kWh/m² in April across the year — August's 5.02 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in August

Hazard calendar for Irosin

In seasonPeak

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

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

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

Is August a good time to visit Irosin?

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

3.1
Sightseeing
8th-best month of the year
4.2
Beach & pool
9th-best month of the year

August is a weaker month for outdoor sightseeing in Irosin.

What to pack for Irosin in August

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

In August, Irosin sees daytime highs around 30°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 Irosin 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 13 km away) is warmest in June at about 29°C and coldest in February near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb26Warm
Mar27Warm
Apr28Warm
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Irosin 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 Irosin peaks around April 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 16UV 14Dec 15UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Irosin 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 Irosin is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (April, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1720 µg/m³Apr 169 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar11Good
Apr9Good
May11Good
Jun16Moderate
Jul20Moderate
Aug17Moderate
Sep18Moderate
Oct17Moderate
Nov12Good
Dec12Good
Location & terrain

Where is Irosin?

Irosin sits at 12.7°N, 124.0°E, 33 m above sea level, in Philippines. The nearest listed city is Bulan, 17 km away.

Topography around Irosin

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

Within 3 km, the terrain around Irosin has significant variations in elevation — a maximum elevation change of 390 m around an average of 99 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,544 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,412 m.

The land around Irosin is covered by trees (69%) and cropland (27%) within 3 km, trees (77%) within 16 km, and water (63%) and trees (33%) within 80 km.

3 km
390 m
16 km
1,544 m
80 km
2,412 m
treesgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: Bulan 17 km · Gubat 26 km · Sorsogon 31 km · Donsol 53 km · Masbate 57 km · Legaspi 58 km · Tagas 62 km · Catarman 69 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 Irosin (12.7001°, 124.0322°, elevation 33 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).