Yauco weather in August

In August, Yauco sees average daytime highs of 29°C and overnight lows near 25°C, with 85 mm of rain across 17.4 wet days and about 12.6 hours of daylight. It is the 1st-warmest and 4th-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 32% 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 Yauco's 8th-clearest and 5th-windiest month. For the whole year in context, see Yauco's year-round climate.

Daytime high
29°
1st warmest
Overnight low
25°
12th coldest
Rainfall
85 mm
17.4 wet days
Daylight
12 h 36 min
6:13 AM – 6:50 PM
Cloud cover
58%
8th clearest
Wind
15 km/h
5th windiest
Solar energy
6.42 kWh/m²
Travel score
4.5
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 Yauco reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°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.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How August really feels in Yauco

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.

Yauco weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 22°154.4117.8
Feb27° / 22°194.511.47.7
Mar27° / 22°357.511.97.1
Apr27° / 23°5511.212.46.4
May28° / 24°9215.412.85.6
Jun29° / 24°5313.213.15.2
Jul29° / 25°6013.3135.1
Aug29° / 25°8517.412.64.5
Sep29° / 25°12720.112.14.3
Oct28° / 24°10619.511.64.6
Nov28° / 23°7313.111.26.0
Dec27° / 23°22510.97.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56238
66238
76238
86139
96139
106040
116040
126040
135941
145842
155743
165644
175545
185347
195248
205149
215050
225050
234951
244951
254852
264852
274852
284753
294753
304753
314753

Chance of precipitation in August

Any precipitation

Yauco gets around 85 mm of rain over 17.4 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 56% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
248
349
449
550
650
750
851
951
1052
1153
1254
1355
1455
1556
1657
1758
1859
1960
2061
2161
2262
2362
2462
2562
2662
2762
2862
2962
3062
3162

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
14942
23952
33952
43952
53952
63952
73952
82962
92962
102962
112962
122962
132953
141963
151963
161963
171963
181963
191963
201963
211963
221963
231963
241963
251954
261954
271954
281954
291954
301954
311954

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

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 6:09 AM to 6:16 AM, and sunset from 6:58 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:096:58
212.86:096:58
312.86:096:57
412.86:106:57
512.86:106:56
612.86:106:56
712.76:116:55
812.76:116:55
912.76:116:54
1012.76:126:54
1112.76:126:53
1212.76:126:52
1312.76:126:52
1412.66:136:51
1512.66:136:51
1612.66:136:50
1712.66:136:49
1812.66:146:49
1912.66:146:48
2012.66:146:47
2112.56:146:46
2212.56:146:46
2312.56:156:45
2412.56:156:44
2512.56:156:43
2612.56:156:43
2712.46:156:42
2812.46:166:41
2912.46:166:40
3012.46:166:40
3112.46:166:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.42 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.69 kWh/m² in June across the year — August's 6.42 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in August

Hazard calendar for Yauco

In seasonPeak

In August, Yauco sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Yauco sits in the Atlantic hurricane belt; the season peaks August–October.

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

Yauco sees seasonal dust haze (July), heaviest in July.

Atlantic hurricane
Rainy season
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Yauco?

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

4.5
Sightseeing
11th-best month of the year
5.9
Beach & pool
10th-best month of the year

August is a reasonable time to visit Yauco for sightseeing.

What to pack for Yauco in August

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

In August, Yauco sees daytime highs around 29°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Yauco 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 18 km away) is warmest in September at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Warm
Jun28Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Yauco in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Yauco peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 13UV 13Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7Very high

Air quality in Yauco 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 Yauco is worst in July — around 25 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (January, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1025 µg/m³Jan 15 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar7Good
Apr8Good
May15Moderate
Jun25Moderate
Jul25Moderate
Aug20Moderate
Sep15Moderate
Oct15Moderate
Nov8Good
Dec5Good
Location & terrain

Where is Yauco?

Yauco sits at 18.0°N, 66.8°W, 40 m above sea level, in Puerto Rico. The nearest listed city is San Germán, 21 km away.

San GermánLa PargueraPonceMayagüezAreciboAguadillaBarcelonetaManatí

Topography around Yauco

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

Within 3 km, the terrain around Yauco has only modest variations in elevation — a maximum elevation change of 215 m around an average of 79 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,191 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,307 m.

The land around Yauco is covered by trees (56%) and artificial surfaces (25%) within 3 km, trees (60%) and water (21%) within 16 km, and water (60%) and trees (31%) within 80 km.

3 km
215 m
16 km
1,191 m
80 km
1,307 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: San Germán 21 km · La Parguera 22 km · Ponce 24 km · Mayagüez 36 km · Arecibo 51 km · Aguadilla 54 km · Barceloneta 57 km · Manatí 58 km

Puerto Rico travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 78% of US
price level, 2025
GDP per capita
$40,620
2025
Happiness
7.0 / 10
World Happiness, 2015
Safe drinking water
99%
of population, 2024
Homicide rate
14.6
per 100k, 2023
Income group
High
World Bank
Religion
Roman Catholic 56%Protestant 33%none 7%other 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 Yauco (18.035°, -66.8499°, elevation 40 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).