Riviera Beach weather in August

In August, Riviera Beach sees average daytime highs of 85°F and overnight lows near 80°F, with 6.5 in of rain across 24.2 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 85°F through the month. The sky is clear or mostly clear about 23% of the time in August, and the air most often feels miserable.

Daylight stretches from about 13 h 18 min at the start of August to 12 h 36 min by month's end. Set against the rest of the year, August is Riviera Beach's 11th-clearest and 11th-windiest month. For the whole year in context, see Riviera Beach's year-round climate.

Daytime high
85°
1st warmest
Overnight low
80°
12th coldest
Rainfall
6.5 in
24.2 wet days
Daylight
13 hours
5:56 AM – 6:53 PM
Cloud cover
66%
11th clearest
Wind
7 mph
11th windiest
Solar energy
5.75 kWh/m²
Travel score
3.5
out of 10

Riviera Beach is city in Palm Beach County, Florida, United States.

Density
1,281/km²
people per km²
Founded
1922

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 85°F through the month.

A typical August day in Riviera Beach reaches about 85°F in the afternoon and slips back to 80°F overnight — a 6°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 88°F. Set against its neighbours, August runs on par with July and on par with September.

75°80°85°90°95°151015202531
Avg high (°F)Avg low (°F)
18580
28580
38580
48580
58580
68580
78580
88580
98580
108680
118680
128680
138680
148580
158580
168580
178580
188580
198580
208580
218580
228580
238580
248580
258580
268580
278579
288579
298579
308579
318579

How August really feels in Riviera Beach

Once humidity and wind are folded in, August averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
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.

Riviera Beach weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan72° / 64°2.07.110.57.2
Feb73° / 65°1.96.511.17.4
Mar74° / 67°2.67.811.87.4
Apr77° / 71°2.68.412.67.2
May80° / 75°4.012.413.36.3
Jun83° / 78°6.521.113.74.2
Jul85° / 79°5.322.513.53.7
Aug85° / 80°6.524.212.93.5
Sep84° / 79°7.023.312.23.8
Oct81° / 76°4.515.111.45.7
Nov77° / 71°2.29.310.77.1
Dec74° / 67°1.77.410.37.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24456
34456
44357
54357
64357
74357
84357
94357
104357
114456
124456
134357
144357
154357
164258
174357
184060
194060
203961
213961
223862
233862
243664
253664
263565
273466
283367
293367
303367
313367

Chance of precipitation in August

Any precipitation

Riviera Beach gets around 6.5 in of rain over 24.2 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 78% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
374
474
574
675
775
875
975
1075
1176
1276
1376
1477
1577
1678
1778
1879
1979
2079
2180
2280
2380
2481
2581
2681
2782
2882
2982
3083
3183

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 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12674
22674
32674
42575
52575
62476
72476
82377
92377
102377
112278
122278
132278
142278
152278
162278
172278
182278
192278
202377
212377
222476
232476
242575
252575
262674
272773
282872
292971
303070
313169

Wind in August

Winds average 7 mph in August.

Across August, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 18 min at the start of August to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over August. Sunrise moves from 5:48 AM to 6:03 AM, and sunset from 7:05 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:487:05
213.35:497:04
313.25:497:03
413.25:507:03
513.25:507:02
613.25:517:01
713.25:517:00
813.15:527:00
913.15:526:59
1013.15:536:58
1113.15:536:57
1213.05:546:56
1313.05:546:56
1413.05:556:55
1513.05:556:54
1613.05:566:53
1712.95:566:52
1812.95:576:51
1912.95:576:50
2012.95:586:49
2112.85:586:48
2212.85:596:47
2312.85:596:46
2412.86:006:45
2512.76:006:44
2612.76:016:43
2712.76:016:42
2812.76:016:41
2912.66:026:40
3012.66:026:39
3112.66:036:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.75 kWh/m².

For context, solar energy here swings from a low near 3.09 kWh/m² to a high of 6.32 kWh/m² in May across the year — August's 5.75 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Bright
76.0Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.5Bright
285.4Bright
295.4Bright
305.4Bright
315.3Bright
Planning a trip in August

Hazard calendar for Riviera Beach

In seasonPeak

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

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

Riviera Beach's rainy season runs May–October, when most of the year's rain falls.

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

Is August a good time to visit Riviera Beach?

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

3.5
Sightseeing
12th-best month of the year
4.7
Beach & pool
12th-best month of the year

August is a weaker month for outdoor sightseeing in Riviera Beach.

What to pack for Riviera Beach in August

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

In August, Riviera Beach sees daytime highs around 85°F and nights near 80°F. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Riviera Beach in August

The nearest coast averages about 85°F 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 mi away) is warmest in August at about 85°F and coldest in February near 77°F.

The water stays above 68°F all year — warm enough for a swim any month.

75°80°85°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan77Warm
Feb77Warm
Mar77Warm
Apr78Warm
May81Warm
Jun83Tropical
Jul84Tropical
Aug85Tropical
Sep85Tropical
Oct83Tropical
Nov81Warm
Dec79Warm

UV index in Riviera Beach in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Riviera Beach peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 12UV 11Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr9Very high
May9Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Riviera Beach 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 Riviera Beach is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1819 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar11Good
Apr11Good
May11Good
Jun15Moderate
Jul20Moderate
Aug17Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Riviera Beach?

Riviera Beach sits at 26.8°N, 80.1°W, 13 ft above sea level, in United States. The nearest listed city is West Palm Beach, 4.3 mi away.

Topography around Riviera Beach

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Riviera Beach.

Within 2 miles, the terrain around Riviera Beach has only modest variations in elevation — a maximum elevation change of 56 ft around an average of 13 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 157 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 210 ft.

The land around Riviera Beach is covered by artificial surfaces (56%) and water (25%) within 2 miles, water (48%) and artificial surfaces (22%) within 10 miles, and water (43%) within 50 miles.

2 miles
56 ft
10 miles
157 ft
50 miles
210 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: West Palm Beach 4.3 mi · Palm Beach Gardens 6.2 mi · Palm Springs 9.9 mi · Lake Worth Beach 11 mi · Jupiter 11 mi · Greenacres City 11 mi · Lake Worth Corridor 11 mi · Royal Palm Beach 12 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 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 Riviera Beach (26.7753°, -80.0581°, elevation 13 ft), 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).