Biloxi weather in July

In July, Biloxi sees average daytime highs of 89°F and overnight lows near 75°F, with 6.3 in of rain across 20.4 wet days and about 13.8 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 89°F through the month. The sky is clear or mostly clear about 23% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 13 h 54 min at the start of July to 13 h 30 min by month's end. Set against the rest of the year, July is Biloxi's 12th-clearest and 11th-windiest month. For the whole year in context, see Biloxi's year-round climate.

Daytime high
89°
1st warmest
Overnight low
75°
12th coldest
Rainfall
6.3 in
20.4 wet days
Daylight
13 h 48 min
5:08 AM – 6:55 PM
Cloud cover
63%
12th clearest
Wind
5 mph
11th windiest
Solar energy
5.79 kWh/m²
Travel score
3.2
out of 10

Biloxi is city in Harrison County, Mississippi, United States.

Density
260/km²
people per km²
Founded
1720

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 89°F through the month.

A typical July day in Biloxi reaches about 89°F in the afternoon and slips back to 75°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 84°F and 93°F. Set against its neighbours, July runs about 1°F warmer than June and on par with August.

70°80°90°151015202531
Avg high (°F)Avg low (°F)
18875
28875
38975
48975
58975
68975
78975
88975
98975
108975
118975
128975
138975
148975
158975
168975
178975
188975
198975
208975
218975
228975
238975
248975
258975
268975
278975
288975
298975
308975
318975

How July really feels in Biloxi

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.

Biloxi weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan60° / 44°4.79.510.35.0
Feb64° / 47°4.78.910.95.8
Mar70° / 53°5.39.311.86.7
Apr76° / 59°4.49.212.77.1
May83° / 67°3.91013.56.1
Jun87° / 73°5.815.913.94.0
Jul89° / 75°6.320.413.83.2
Aug89° / 75°6.319.913.13.3
Sep86° / 71°4.812.412.24.9
Oct78° / 61°3.47.811.37.3
Nov69° / 51°3.87.510.57.0
Dec62° / 46°4.49.110.15.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34654
44654
54654
64654
74654
84654
94753
104654
114555
124654
134456
144456
154456
164357
174357
184258
194258
204258
214357
224357
234258
244258
254258
264258
274258
284357
294357
304456
314357

Chance of precipitation in July

Any precipitation

Biloxi gets around 6.3 in of rain over 20.4 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 66% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
159
260
360
461
562
663
764
864
965
1066
1167
1267
1368
1468
1568
1669
1769
1869
1969
2069
2169
2268
2368
2468
2567
2667
2767
2867
2967
3067
3167

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1156331
2146233
3146134
4146035
5136036
6135937
7135838
8135739
9135640
10135541
11135541
12125542
13125443
14125344
15125245
16125146
17125047
18124948
19124849
20134750
21134650
22134551
23134452
24134353
25134353
26134254
27134254
28134155
29134056
30134056
31133957

Wind in July

Winds average 5 mph in July.

Across July, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 54 min at the start of July to 13 h 30 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 5:01 AM to 5:16 AM, and sunset from 6:57 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:016:57
213.95:016:57
313.95:016:57
413.95:026:57
513.95:026:57
613.95:036:57
713.95:036:57
813.95:046:57
913.95:046:57
1013.95:046:56
1113.95:056:56
1213.85:056:56
1313.85:066:56
1413.85:076:55
1513.85:076:55
1613.85:086:55
1713.85:086:54
1813.85:096:54
1913.75:096:54
2013.75:106:53
2113.75:106:53
2213.75:116:52
2313.75:126:52
2413.75:126:51
2513.65:136:51
2613.65:136:50
2713.65:146:49
2813.65:156:49
2913.65:156:48
3013.55:166:48
3113.55:166:47

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.79 kWh/m².

For context, solar energy here swings from a low near 2.71 kWh/m² to a high of 6.25 kWh/m² in May across the year — July's 5.79 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Hazard calendar for Biloxi

In seasonPeak

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

Biloxi 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 Biloxi?

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

3.2
Sightseeing
12th-best month of the year
5.0
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in Biloxi.

What to pack for Biloxi in July

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

In July, Biloxi sees daytime highs around 89°F and nights near 75°F. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Biloxi in July

The nearest coast averages about 85°F in July — 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 January near 58°F.

It's comfortable for a long swim from Apr 3 to Nov 17 — about 7.5 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan58Bracing
Feb59Cool
Mar64Cool
Apr71Refreshing
May78Warm
Jun83Tropical
Jul85Tropical
Aug85Tropical
Sep83Tropical
Oct76Warm
Nov68Refreshing
Dec62Cool

UV index in Biloxi in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Biloxi peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 13UV 10Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Biloxi 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 Biloxi is worst in July — around 22 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1621 µg/m³Dec 137 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar13Moderate
Apr11Good
May13Moderate
Jun17Moderate
Jul22Moderate
Aug17Moderate
Sep12Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Biloxi?

Biloxi sits at 30.4°N, 88.9°W, 20 ft above sea level, in United States. The nearest listed city is Ocean Springs, 3.7 mi away.

Topography around Biloxi

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

Within 2 miles, the terrain around Biloxi has only modest variations in elevation — a maximum elevation change of 75 ft around an average of 7 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 180 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 400 ft.

The land around Biloxi is covered by water (60%) within 2 miles, water (49%) and trees (34%) within 10 miles, and trees (47%) and water (43%) within 50 miles.

2 miles
75 ft
10 miles
180 ft
50 miles
400 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Ocean Springs 3.7 mi · West Gulfport 12 mi · Gulfport 12 mi · Long Beach 16 mi · Gautier 16 mi · Pascagoula 20 mi · Tillmans Corner 45 mi · Prichard 53 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 Biloxi (30.396°, -88.8853°, elevation 20 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).