Sunny Isles Beach weather in May

In May, Sunny Isles Beach sees average daytime highs of 79°F and overnight lows near 76°F, with 3.8 in of rain across 12 wet days and about 13.3 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 79°F through the month. The sky is clear or mostly clear about 50% 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 Sunny Isles Beach's 3rd-clearest and 8th-windiest month. For the whole year in context, see Sunny Isles Beach's year-round climate.

Daytime high
79°
6th warmest
Overnight low
76°
7th coldest
Rainfall
3.8 in
12 wet days
Daylight
13 h 18 min
5:39 AM – 6:55 PM
Cloud cover
45%
3rd clearest
Wind
11 mph
8th windiest
Solar energy
6.29 kWh/m²
Travel score
6.5
out of 10

Sunny Isles Beach is city in Miami-Dade County, Florida, United States of America.

Founded
1997

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 79°F through the month.

A typical May day in Sunny Isles Beach reaches about 79°F in the afternoon and slips back to 76°F overnight — a 3°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 81°F. Set against its neighbours, May runs about 3°F warmer than April and about 3°F cooler than June.

65°70°75°80°85°151015202531
Avg high (°F)Avg low (°F)
17874
27874
37874
47875
57875
67875
77875
87975
97975
107975
117975
127976
137976
147976
157976
167976
177976
187976
198076
208076
218076
228076
238076
248077
258077
268077
278077
288077
298077
308177
318177

How May really feels in Sunny Isles Beach

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

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sunny Isles Beach weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan73° / 68°2.5910.67.1
Feb73° / 68°1.97.611.17.4
Mar74° / 70°2.38.411.87.4
Apr77° / 73°2.48.912.67.3
May79° / 76°3.81213.36.5
Jun82° / 79°5.518.113.65.0
Jul83° / 80°3.617.813.54.7
Aug84° / 80°5.319.712.94.4
Sep83° / 79°6.520.912.24.4
Oct81° / 77°5.415.911.45.7
Nov77° / 73°3.010.610.76.9
Dec74° / 70°2.110.610.47.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37525
47525
57525
67525
77525
87525
97426
107426
117426
127228
137228
147129
157030
166832
176832
186733
196634
206535
216535
226436
236337
246337
256238
266139
276040
285743
295644
305545
315347

Chance of precipitation in May

Any precipitation

Sunny Isles Beach gets around 3.8 in of rain over 12 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 40% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
131
231
331
431
531
631
731
831
932
1032
1133
1234
1336
1437
1538
1640
1741
1843
1944
2045
2146
2246
2347
2447
2548
2649
2749
2850
2951
3052
3154

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1362034371
2361934371
3261934381
4261834391
5251834401
6251734411
7151634421
8151634431
9141534441
10141534451
11141434471
12131333481
13131333501
14131232511
15021132541
16021031561
17021030571
1802930581
1901829602
2001828612
2101727632
2201626643
2301625653
2401524664
2501422685
2600421696
2700319717
2800318718
2900216739
30002157211
31002137312

Wind in May

Winds average 11 mph in May.

Across May, daily wind ranges from about 10 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
112light breeze
212light breeze
312light breeze
412light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light breeze
2411light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

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 5:49 AM to 5:33 AM, and sunset from 6:47 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:496:47
213.05:486:47
313.05:476:48
413.05:466:48
513.15:466:49
613.15:456:49
713.15:446:50
813.15:446:50
913.15:436:51
1013.25:426:51
1113.25:426:52
1213.25:416:53
1313.25:406:53
1413.25:406:54
1513.25:396:54
1613.35:396:55
1713.35:386:55
1813.35:386:56
1913.35:376:56
2013.35:376:57
2113.45:366:57
2213.45:366:58
2313.45:366:58
2413.45:356:59
2513.45:357:00
2613.45:357:00
2713.45:347:01
2813.55:347:01
2913.55:347:02
3013.55:337:02
3113.55:337:03

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.29 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 6.29 kWh/m² in May across the year — May's 6.29 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Sunny Isles Beach

In seasonPeak

None of Sunny Isles Beach's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

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

Is May a good time to visit Sunny Isles Beach?

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

6.5
Sightseeing
7th-best month of the year
6.3
Beach & pool
2nd-best month of the year

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

What to pack for Sunny Isles Beach in May

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

In May, Sunny Isles Beach sees daytime highs around 79°F and nights near 76°F. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Sunny Isles 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 offshore is warmest in August at about 85°F and coldest in February near 76°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
Jan76Warm
Feb76Warm
Mar77Warm
Apr78Warm
May81Warm
Jun83Tropical
Jul85Tropical
Aug85Tropical
Sep85Tropical
Oct83Tropical
Nov80Warm
Dec78Warm

UV index in Sunny Isles 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 Sunny Isles Beach peaks around July 12 at about 12 (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 highHighJul 12UV 12Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr10Very high
May10Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Sunny Isles 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 Sunny Isles Beach is worst in July — around 23 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1722 µg/m³Nov 2010 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar13Moderate
Apr14Moderate
May15Moderate
Jun18Moderate
Jul23Moderate
Aug19Moderate
Sep14Moderate
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Sunny Isles Beach?

Sunny Isles Beach sits at 26.0°N, 80.1°W, 3 ft above sea level, in United States. The nearest listed city is Aventura, 1.2 mi away.

Topography around Sunny Isles Beach

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

Within 2 miles, the terrain around Sunny Isles Beach has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 7 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 138 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 203 ft.

The land around Sunny Isles Beach is covered by water (55%) and artificial surfaces (31%) within 2 miles, water (55%) and artificial surfaces (32%) within 10 miles, and water (43%) and wetland (36%) within 50 miles.

2 miles
66 ft
10 miles
138 ft
50 miles
203 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Aventura 1.2 mi · Ojus 1.9 mi · Hallandale Beach 2.5 mi · North Miami Beach 2.5 mi · Ives Estates 3.7 mi · Hollywood 4.3 mi · West Park 5.0 mi · Golden Glades 5.6 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 Sunny Isles Beach (25.9506°, -80.1228°, elevation 3 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).