Royal Palm Beach weather in May

In May, Royal Palm Beach sees average daytime highs of 84°F and overnight lows near 73°F, with 4.3 in of rain across 12.7 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 84°F through the month. The sky is clear or mostly clear about 35% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of May to 13 h 30 min by month's end. Set against the rest of the year, May is Royal Palm Beach's 4th-clearest and 8th-windiest month. For the whole year in context, see Royal Palm Beach's year-round climate.

Daytime high
84°
5th warmest
Overnight low
73°
7th coldest
Rainfall
4.3 in
12.7 wet days
Daylight
13 h 18 min
5:38 AM – 6:56 PM
Cloud cover
52%
4th clearest
Wind
7 mph
8th windiest
Solar energy
6.23 kWh/m²
Travel score
5.3
out of 10

Royal Palm Beach is village in Palm Beach County, Florida, United States of America.

Density
1,287/km²
people per km²
Founded
1959

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 84°F through the month.

A typical May day in Royal Palm Beach reaches about 84°F in the afternoon and slips back to 73°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 88°F. Set against its neighbours, May runs about 3°F warmer than April and about 3°F cooler than June.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18271
28271
38371
48371
58371
68371
78372
88372
98372
108372
118472
128472
138472
148473
158473
168473
178473
188473
198473
208473
218473
228474
238574
248574
258574
268574
278574
288574
298574
308574
318575

How May really feels in Royal Palm Beach

Once humidity and wind are folded in, May averages 5 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
5
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Royal Palm Beach weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan73° / 60°1.66.210.57.5
Feb75° / 62°1.75.811.17.7
Mar77° / 64°2.4711.87.4
Apr81° / 69°2.58.212.66.9
May84° / 73°4.312.713.35.3
Jun87° / 76°8.022.813.63.4
Jul88° / 77°7.124.513.53.0
Aug88° / 78°7.725.912.92.8
Sep86° / 77°7.423.812.23.3
Oct83° / 74°4.013.911.45.4
Nov78° / 68°1.67.510.77.2
Dec75° / 63°1.35.810.47.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46535
56535
66535
76535
86634
96535
106535
116436
126436
136436
146337
156238
166238
176139
186040
195941
205842
215941
225842
235743
245644
255644
265545
275347
285248
295149
305050
314951

Chance of precipitation in May

Any precipitation

Royal Palm Beach gets around 4.3 in of rain over 12.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
130
230
330
430
530
630
730
831
932
1032
1134
1235
1336
1438
1540
1641
1743
1845
1946
2048
2149
2250
2352
2453
2554
2655
2756
2858
2959
3061
3162

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14132240220
23132140230
33122041230
43122042240
53121943240
62111943240
72111944250
82101844260
9291845260
10191845270
11181745280
12171745300
13171645310
14161645330
15151545350
16051544370
17041443390
18031442410
19031340440
20021339460
21021237480
22011136511
23011034541
2401933561
2501931581
2601830592
2700728632
2800626653
2900524683
3000522694
3100420715

Wind in May

Winds average 7 mph in May.

Across May, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17light breeze
27light breeze
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 hours at the start of May to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:48 AM to 5:32 AM, and sunset from 6:48 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:486:48
213.05:476:49
313.05:476:49
413.15:466:50
513.15:456:50
613.15:446:51
713.15:446:51
813.25:436:52
913.25:426:52
1013.25:426:53
1113.25:416:54
1213.25:406:54
1313.35:406:55
1413.35:396:55
1513.35:386:56
1613.35:386:56
1713.35:376:57
1813.35:376:58
1913.45:366:58
2013.45:366:59
2113.45:356:59
2213.45:357:00
2313.45:357:00
2413.45:347:01
2513.55:347:01
2613.55:347:02
2713.55:337:02
2813.55:337:03
2913.55:337:04
3013.55:327:04
3113.55:327:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.23 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 6.23 kWh/m² in May across the year — May's 6.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.1Intense
216.1Intense
226.1Intense
236.0Intense
246.0Intense
256.0Intense
266.0Bright
276.0Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Royal Palm Beach

In seasonPeak

In May, Royal Palm Beach sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

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

Royal Palm Beach's monsoon runs May–October, when most of the year's rain falls.

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

Is May a good time to visit Royal Palm Beach?

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

5.3
Sightseeing
8th-best month of the year
6.5
Beach & pool
4th-best month of the year

May is a reasonable time to visit Royal Palm Beach for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Royal Palm Beach in May

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

In May, Royal Palm Beach sees daytime highs around 84°F and nights near 73°F. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

Sea temperature near Royal Palm Beach in May

The nearest coast averages about 81°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 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
Apr79Warm
May81Warm
Jun83Tropical
Jul85Tropical
Aug85Tropical
Sep85Tropical
Oct83Tropical
Nov81Warm
Dec79Warm

UV index in Royal Palm Beach in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Royal Palm Beach peaks around July 13 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 13UV 11Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7High
Mar9Very high
Apr9Very high
May10Very high
Jun11Extreme
Jul12Extreme
Aug10Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Royal Palm Beach in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Royal Palm 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 Royal Palm Beach?

Royal Palm Beach sits at 26.7°N, 80.2°W, 16 ft above sea level, in United States. The nearest listed city is Wellington, 3.7 mi away.

Topography around Royal Palm Beach

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

Within 2 miles, the terrain around Royal Palm Beach has only modest variations in elevation — a maximum elevation change of 46 ft around an average of 23 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 154 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 200 ft.

The land around Royal Palm Beach is covered by artificial surfaces (36%) and trees (32%) within 2 miles, trees (32%), wetland (21%) and grassland (20%) within 10 miles, and water (38%) and wetland (22%) within 50 miles.

2 miles
46 ft
10 miles
154 ft
50 miles
200 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Wellington 3.7 mi · The Acreage 6.2 mi · Greenacres City 8.7 mi · Palm Springs 9.9 mi · Palm Beach Gardens 9.9 mi · Lake Worth Corridor 9.9 mi · West Palm Beach 11 mi · Riviera 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 Royal Palm Beach (26.7084°, -80.2306°, elevation 16 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).