Stuart weather in May

In May, Stuart sees average daytime highs of 82°F and overnight lows near 74°F, with 2.9 in of rain across 10 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 82°F through the month. The sky is clear or mostly clear about 45% of the time in May, and the air most often feels muggy.

Daylight stretches from about 13 hours at the start of May to 13 h 36 min by month's end. Set against the rest of the year, May is Stuart's 1st-clearest and 8th-windiest month. For the whole year in context, see Stuart's year-round climate.

Daytime high
82°
5th warmest
Overnight low
74°
7th coldest
Rainfall
2.9 in
10 wet days
Daylight
13 h 18 min
5:37 AM – 6:57 PM
Cloud cover
47%
1st clearest
Wind
9 mph
8th windiest
Solar energy
6.42 kWh/m²
Travel score
6.4
out of 10

Stuart is seat of Martin County in Florida, United States.

Density
706/km²
people per km²
Founded
1914

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 82°F through the month.

A typical May day in Stuart reaches about 82°F in the afternoon and slips back to 74°F overnight — a 8°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 85°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)
18072
28072
38072
48172
58172
68172
78173
88173
98173
108173
118173
128273
138273
148273
158274
168274
178274
188274
198274
208274
218274
228274
238274
248275
258375
268375
278375
288375
298375
308376
318376

How May really feels in Stuart

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.

Stuart weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan72° / 62°2.07.110.57.2
Feb73° / 63°1.86.5117.5
Mar75° / 66°2.37.111.87.6
Apr78° / 70°2.27.112.67.3
May82° / 74°2.91013.36.4
Jun85° / 77°4.817.613.74.4
Jul86° / 79°3.618.213.54.0
Aug86° / 79°4.821133.7
Sep85° / 78°5.519.712.24.1
Oct82° / 75°4.012.211.36.0
Nov77° / 69°2.28.710.77.1
Dec74° / 65°1.67.310.37.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
27030
37030
47030
57030
67030
77030
87030
97030
107030
117030
126931
136931
146832
156733
166733
176634
186535
196436
206436
216337
226238
236238
246139
256040
266040
275941
285842
295743
305545
315446

Chance of precipitation in May

Any precipitation

Stuart gets around 2.9 in of rain over 10 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 34% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
123
223
322
422
522
623
723
824
925
1026
1127
1228
1329
1431
1532
1634
1735
1837
1938
2039
2140
2241
2341
2442
2542
2643
2744
2844
2945
3047
3148

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
16132239190
26132140190
36132041200
45131942200
55131943210
64131844210
74131744210
83131745220
93121646220
103121646230
112111647240
122111547250
132101547260
14191547280
15181447290
16181446310
17171446330
18061445350
19061443370
20051342390
21041341420
22041239440
23031238470
24031136501
25021034531
26021032551
2702930581
2801829611
2901827622
3001725652
3101623673

Wind in May

Winds average 9 mph in May.

Across May, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in May

DaylightNight

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

Days grow by about 36 minutes over May. Sunrise moves from 5:48 AM to 5:31 AM, and sunset from 6:49 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:486:49
213.05:476:49
313.15:466:50
413.15:456:50
513.15:446:51
613.15:446:52
713.25:436:52
813.25:426:53
913.25:426:53
1013.25:416:54
1113.25:406:54
1213.35:406:55
1313.35:396:56
1413.35:386:56
1513.35:386:57
1613.35:376:57
1713.45:376:58
1813.45:366:59
1913.45:366:59
2013.45:357:00
2113.45:357:00
2213.45:347:01
2313.55:347:01
2413.55:337:02
2513.55:337:02
2613.55:337:03
2713.55:327:04
2813.55:327:04
2913.55:327:05
3013.65:317:05
3113.65:317:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.42 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 6.42 kWh/m² in May across the year — May's 6.42 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.5Intense
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
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Stuart

In seasonPeak

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

Stuart 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 Stuart?

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

6.4
Sightseeing
7th-best month of the year
6.8
Beach & pool
2nd-best month of the year

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

What to pack for Stuart in May

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

In May, Stuart sees daytime highs around 82°F and nights near 74°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Stuart in May

The nearest coast averages about 79°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 9 mi away) is warmest in August at about 84°F and coldest in February near 74°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
Jan74Refreshing
Feb74Refreshing
Mar75Refreshing
Apr76Warm
May79Warm
Jun82Warm
Jul83Tropical
Aug84Tropical
Sep84Tropical
Oct82Warm
Nov79Warm
Dec77Warm

UV index in Stuart 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 Stuart 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
Jul11Extreme
Aug10Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec4Moderate

Air quality in Stuart 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 Stuart 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 Stuart?

Stuart sits at 27.2°N, 80.3°W, 10 ft above sea level, in United States. The nearest listed city is Palm City, 2.5 mi away.

Topography around Stuart

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

Within 2 miles, the terrain around Stuart has only modest variations in elevation — a maximum elevation change of 39 ft around an average of 10 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 112 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 200 ft.

The land around Stuart is covered by artificial surfaces (34%), water (34%) and trees (21%) within 2 miles, water (34%), trees (26%) and grassland (20%) within 10 miles, and water (42%) and grassland (22%) within 50 miles.

2 miles
39 ft
10 miles
112 ft
50 miles
200 ft
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Palm City 2.5 mi · Port Saint Lucie 8.7 mi · Fort Pierce 18 mi · Jupiter 21 mi · Palm Beach Gardens 27 mi · Florida Ridge 28 mi · The Acreage 28 mi · Vero Beach South 30 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 Stuart (27.1975°, -80.2528°, elevation 10 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).