Stuart weather in July

In July, Stuart sees average daytime highs of 86°F and overnight lows near 79°F, with 3.6 in of rain across 18.2 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 86°F through the month. The sky is clear or mostly clear about 25% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 13 h 42 min at the start of July to 13 h 18 min by month's end. Set against the rest of the year, July is Stuart's 9th-clearest and 12th-windiest month. For the whole year in context, see Stuart's year-round climate.

Daytime high
86°
2nd warmest
Overnight low
79°
11th coldest
Rainfall
3.6 in
18.2 wet days
Daylight
13 h 36 min
5:40 AM – 7:13 PM
Cloud cover
64%
9th clearest
Wind
7 mph
12th windiest
Solar energy
6.23 kWh/m²
Travel score
4.0
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 86°F through the month.

A typical July day in Stuart reaches about 86°F in the afternoon and slips back to 79°F overnight — a 8°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 89°F. Set against its neighbours, July runs about 2°F warmer than June and on par with August.

70°80°90°151015202531
Avg high (°F)Avg low (°F)
18578
28678
38678
48678
58678
68678
78678
88678
98678
108678
118678
128679
138679
148679
158679
168679
178679
188679
198679
208679
218679
228679
238679
248679
258679
268779
278779
288779
298779
308779
318779

How July really feels in Stuart

Once humidity and wind are folded in, July 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 July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Stuart weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 5th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 17% of July, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23862
33862
43862
53961
64060
74159
84159
94258
104258
114258
124357
134357
144357
154456
164456
174456
184456
194456
204456
214456
224456
234357
244357
254357
264357
274357
284258
294258
304258
314357

Chance of precipitation in July

Any precipitation

Stuart gets around 3.6 in of rain over 18.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 59% and peaks near 65% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
258
357
457
556
656
756
855
955
1055
1155
1255
1356
1456
1557
1658
1758
1859
1960
2060
2161
2261
2362
2462
2563
2664
2764
2864
2965
3065
3165

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
118019
218019
318019
418019
518019
608119
708020
808020
908020
1007921
1107921
1207921
1307822
1407822
1507822
1607723
1707723
1807624
1907624
2007525
2107525
2207426
2307426
2407327
2507327
2607228
2707228
2807129
2907030
3006931
3106931

Wind in July

Winds average 7 mph in July, the calmest month.

Across July, daily wind ranges from about 7 mph on the calmest days to 7 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
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 42 min at the start of July to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over July. Sunrise moves from 5:33 AM to 5:48 AM, and sunset from 7:15 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:337:15
213.75:347:15
313.75:347:15
413.75:357:15
513.75:357:15
613.75:357:15
713.75:367:15
813.65:367:15
913.65:377:15
1013.65:377:15
1113.65:377:15
1213.65:387:14
1313.65:387:14
1413.65:397:14
1513.65:397:14
1613.65:407:13
1713.55:407:13
1813.55:417:13
1913.55:417:13
2013.55:427:12
2113.55:427:12
2213.55:437:11
2313.55:437:11
2413.45:447:10
2513.45:447:10
2613.45:457:09
2713.45:457:09
2813.45:467:08
2913.45:467:08
3013.35:477:07
3113.35:487:07

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.23 kWh/m².

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 — July's 6.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.0Intense
Planning a trip in July

Hazard calendar for Stuart

In seasonPeak

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

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 July a good time to visit Stuart?

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

4.0
Sightseeing
11th-best month of the year
5.5
Beach & pool
9th-best month of the year

July is a reasonable time to visit Stuart for sightseeing.

What to pack for Stuart in July

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

In July, Stuart sees daytime highs around 86°F and nights near 79°F. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Stuart in July

The nearest coast averages about 83°F in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).