Vega Baja weather in August

In August, Vega Baja sees average daytime highs of 30°C and overnight lows near 25°C, with 90 mm of rain across 18.4 wet days and about 12.6 hours of daylight. It is the 1st-warmest and 6th-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 30% 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 Vega Baja's 8th-clearest and 5th-windiest month. For the whole year in context, see Vega Baja's year-round climate.

Daytime high
30°
1st warmest
Overnight low
25°
12th coldest
Rainfall
90 mm
18.4 wet days
Daylight
12 h 36 min
6:11 AM – 6:49 PM
Cloud cover
59%
8th clearest
Wind
15 km/h
5th windiest
Solar energy
6.29 kWh/m²
Travel score
4.0
out of 10

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 Vega Baja reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How August really feels in Vega Baja

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.

Vega Baja weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 22°378.7117.0
Feb27° / 22°317.511.47.1
Mar28° / 22°539.511.96.7
Apr28° / 23°941312.45.7
May29° / 24°14117.412.94.6
Jun30° / 25°7713.413.14.5
Jul30° / 25°7214.7134.4
Aug30° / 25°9018.412.64.0
Sep30° / 25°14021.912.13.6
Oct29° / 25°12620.811.64.0
Nov28° / 24°10617.311.15.1
Dec27° / 23°4310.510.96.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35743
45743
55743
65842
75842
85842
95842
105842
115842
125842
135743
145842
155743
165644
175545
185446
195248
205149
215149
225050
234951
244852
254753
264654
274654
284555
294555
304555
314555

Chance of precipitation in August

Any precipitation

Vega Baja gets around 90 mm of rain over 18.4 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 60% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
152
252
352
453
553
653
753
853
953
1054
1154
1255
1356
1457
1558
1659
1760
1861
1962
2063
2164
2265
2366
2466
2567
2667
2768
2868
2968
3069
3169

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
117524
217425
317425
417326
507426
607327
707327
807228
907228
1007129
1107129
1207030
1307030
1406931
1506931
1606832
1706832
1806733
1906634
2006634
2106535
2206535
2306436
2406337
2506337
2606238
2706238
2806238
2906139
3006139
3106238

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2813light breeze
2913light breeze
3013light breeze
3113light 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 6:06 AM to 6:14 AM, and sunset from 6:57 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:066:57
212.86:076:56
312.86:076:56
412.86:076:55
512.86:086:55
612.86:086:54
712.86:086:54
812.76:096:53
912.76:096:53
1012.76:096:52
1112.76:096:52
1212.76:106:51
1312.76:106:50
1412.76:106:50
1512.66:116:49
1612.66:116:49
1712.66:116:48
1812.66:116:47
1912.66:126:46
2012.66:126:46
2112.66:126:45
2212.56:126:44
2312.56:126:44
2412.56:136:43
2512.56:136:42
2612.56:136:41
2712.56:136:40
2812.46:136:40
2912.46:146:39
3012.46:146:38
3112.46:146:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.29 kWh/m².

For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.55 kWh/m² in June across the year — August's 6.29 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in August

Hazard calendar for Vega Baja

In seasonPeak

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

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

Vega Baja sees seasonal dust haze (July), heaviest in July.

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

Is August a good time to visit Vega Baja?

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

4.0
Sightseeing
10th-best month of the year
5.5
Beach & pool
10th-best month of the year

August is a reasonable time to visit Vega Baja for sightseeing.

What to pack for Vega Baja in August

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

In August, Vega Baja sees daytime highs around 30°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Vega Baja 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 20 km away) is warmest in September 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
Mar26Warm
Apr27Warm
May27Warm
Jun28Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Vega Baja 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 Vega Baja 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
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Vega Baja 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 Vega Baja is worst in July — around 24 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (January, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1324 µg/m³Jan 105 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar7Good
Apr8Good
May14Moderate
Jun23Moderate
Jul24Moderate
Aug20Moderate
Sep15Moderate
Oct15Moderate
Nov7Good
Dec5Good
Location & terrain

Where is Vega Baja?

Vega Baja sits at 18.4°N, 66.4°W, 10 m above sea level, in Puerto Rico. The nearest listed city is Manatí, 11 km away.

CandelariaLevittownBayamónCatañoSan JuanGuaynabo

Topography around Vega Baja

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

Within 3 km, the terrain around Vega Baja has only modest variations in elevation — a maximum elevation change of 127 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 472 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,307 m.

The land around Vega Baja is covered by trees (48%) and artificial surfaces (23%) within 3 km, trees (47%) and water (35%) within 16 km, and water (50%) and trees (39%) within 80 km.

3 km
127 m
16 km
472 m
80 km
1,307 m
treesgrasslandartificial surfacesbare terrainwaterwetland
August weather nearby: Manatí 11 km · Barceloneta 16 km · Candelaria 19 km · Levittown 22 km · Bayamón 25 km · Cataño 28 km · San Juan 30 km · Guaynabo 31 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 Vega Baja (18.4444°, -66.3877°, elevation 10 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).