Biloxi weather in April

In April, Biloxi sees average daytime highs of 76°F and overnight lows near 59°F, with 4.4 in of rain across 9.2 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 74°F in the first days to 78°F by the end. The sky is clear or mostly clear about 40% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 06 min by month's end. Set against the rest of the year, April is Biloxi's 4th-clearest and 2nd-windiest month. For the whole year in context, see Biloxi's year-round climate.

Daytime high
76°
7th warmest
Overnight low
59°
6th coldest
Rainfall
4.4 in
9.2 wet days
Daylight
12 h 42 min
5:34 AM – 6:18 PM
Cloud cover
50%
4th clearest
Wind
7 mph
2nd windiest
Solar energy
5.75 kWh/m²
Travel score
7.1
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 74°F in the first days to 78°F by the end.

A typical April day in Biloxi reaches about 76°F in the afternoon and slips back to 59°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 82°F. Set against its neighbours, April runs about 6°F warmer than March and about 7°F cooler than May.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
17356
27357
37457
47457
57457
67458
77458
87458
97558
107558
117558
127559
137659
147659
157659
167659
177660
187660
197760
207760
217760
227761
237761
247861
257861
267862
277862
287862
297962
307963

How April really feels in Biloxi

Once humidity and wind are folded in, April 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

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

Biloxi weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35446
45347
55347
65347
75446
85446
95347
105446
115446
125545
135644
145644
155743
165743
175743
185842
195941
205941
215941
226040
236040
246040
256040
266139
276139
286139
296139
306139

Chance of precipitation in April

Any precipitation

Biloxi gets around 4.4 in of rain over 9.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
132
233
333
433
534
634
734
834
933
1033
1133
1232
1331
1431
1530
1630
1729
1829
1929
2029
2129
2229
2329
2429
2529
2629
2729
2829
2929
3029

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1401620212
2401620222
3391620223
4391620223
5381619233
6381619234
7381719234
8371719235
9361719235
10361719235
11351719236
12351719236
13341819236
14331820236
15331820246
16321720246
17311720247
18311720257
19301720257
20301720267
21291720267
22281720278
23281620278
24271620289
252616202810
262515202811
272415202911
282415202912
292314212913
302214212914

Wind in April

Winds average 7 mph in April.

Across April, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17light breeze
27light breeze
37light breeze
47light breeze
57light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
147light breeze
157light breeze
167light breeze
177light breeze
187light breeze
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over April. Sunrise moves from 5:52 AM to 5:19 AM, and sunset from 6:08 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:526:08
212.35:516:09
312.35:496:10
412.45:486:10
512.45:476:11
612.45:466:12
712.55:446:12
812.55:436:13
912.55:426:13
1012.65:416:14
1112.65:406:15
1212.65:386:15
1312.65:376:16
1412.75:366:17
1512.75:356:17
1612.75:346:18
1712.85:336:18
1812.85:316:19
1912.85:306:20
2012.95:296:20
2112.95:286:21
2212.95:276:22
2312.95:266:22
2413.05:256:23
2513.05:246:24
2613.05:236:24
2713.15:226:25
2813.15:216:26
2913.15:206:26
3013.15:196:27

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.75 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 — April's 5.75 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.8Bright
165.8Bright
175.8Bright
185.9Bright
195.9Bright
205.9Bright
216.0Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in April

Hazard calendar for Biloxi

In seasonPeak

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

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 April a good time to visit Biloxi?

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

7.1
Sightseeing
2nd-best month of the year
6.2
Beach & pool
4th-best month of the year

April is one of the better times to visit Biloxi for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Biloxi in April

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

In April, Biloxi sees daytime highs around 76°F and nights near 59°F. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Biloxi in April

The nearest coast averages about 71°F in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 April

GoodModeratePoorUnhealthyVery unhealthy

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