Biloxi, MS Climate & Monthly Averages
The climate of Biloxi
Weather in Biloxi is shaped by its humid subtropical climate - expect hot, humid summers and generally mild winters. July afternoons typically reach 88°F (31°C), while January highs hover near 60°F (16°C). Annual precipitation averages 70.7 inches (1796 mm) over about 160 rainy days.
Climate quick facts
- Hottest month: July - highs near 88°F (31°C)
- Coldest month: January - highs near 60°F (16°C)
- Record high: 103°F (39°C) · Record low: 17°F (-8°C) (2015–2024)
- Wettest month: August (20 rainy days) · Sunniest: June (11.3 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 88°F (31°C) and overnight lows stay near 76°F (25°C). The coolest month is January, with typical highs of 60°F (16°C) and lows around 44°F (7°C). Based on 2015–2024 weather data, temperatures have reached as high as 103°F (39°C) and dropped as low as 17°F (-8°C).
Rain, sun and snow
August is usually the wettest month. It brings about 8.6 inches (218 mm) of rain over 20 days, while November is the driest. June brings the most sunshine, averaging 11.3 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 60° | 44° | 11 | 6.0 in | 7.3 h/day | 75% |
| February | 65° | 50° | 11 | 4.6 in | 7.7 h/day | 78% |
| March | 71° | 56° | 12 | 5.5 in | 9.0 h/day | 77% |
| April | 75° | 60° | 11 | 5.8 in | 9.8 h/day | 75% |
| May | 82° | 68° | 13 | 6.0 in | 11.1 h/day | 77% |
| June | 87° | 74° | 19 | 7.9 in | 11.3 h/day | 80% |
| July | 88° | 76° | 22 | 6.6 in | 11.1 h/day | 82% |
| August | 89° | 76° | 20 | 8.6 in | 10.0 h/day | 81% |
| September | 86° | 72° | 14 | 5.2 in | 10.2 h/day | 78% |
| October | 80° | 64° | 7 | 4.5 in | 9.7 h/day | 72% |
| November | 70° | 54° | 8 | 3.7 in | 8.2 h/day | 74% |
| December | 64° | 50° | 11 | 6.4 in | 6.9 h/day | 79% |
Biloxi month by month
Biloxi weather in January
January brings highs around 60°F (16°C), lows near 44°F (7°C), about 11 wet days - typically the coldest month of the year in Biloxi.
Biloxi weather in February
February brings highs around 65°F (18°C), lows near 50°F (10°C), about 11 wet days.
Biloxi weather in March
March brings highs around 71°F (21°C), lows near 56°F (13°C), about 12 wet days.
Biloxi weather in April
April brings highs around 75°F (24°C), lows near 60°F (16°C), about 11 wet days.
Biloxi weather in May
May brings highs around 82°F (28°C), lows near 68°F (20°C), about 13 wet days.
Biloxi weather in June
June brings highs around 87°F (30°C), lows near 74°F (23°C), about 19 wet days - typically the sunniest month of the year in Biloxi.
Biloxi weather in July
July brings highs around 88°F (31°C), lows near 76°F (25°C), about 22 wet days - typically the hottest month of the year in Biloxi.
Biloxi weather in August
August brings highs around 89°F (31°C), lows near 76°F (24°C), about 20 wet days - typically the wettest month of the year in Biloxi.
Biloxi weather in September
September brings highs around 86°F (30°C), lows near 72°F (22°C), about 14 wet days.
Biloxi weather in October
October brings highs around 80°F (26°C), lows near 64°F (18°C), about 7 wet days.
Biloxi weather in November
November brings highs around 70°F (21°C), lows near 54°F (12°C), about 8 wet days - typically the driest month of the year in Biloxi.
Biloxi weather in December
December brings highs around 64°F (18°C), lows near 50°F (10°C), about 11 wet days.
Seasons in Biloxi
Spring (March through May)
Spring in Biloxi brings comfortable warmth, with daytime highs averaging 76°F (24°C) and nights around 62°F (16°C); expect showers on roughly 36 days across the season.
Summer (June through August)
Summer in Biloxi is hot, with daytime highs averaging 88°F (31°C) and nights around 76°F (24°C); expect showers on roughly 61 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Biloxi is pleasantly warm, with daytime highs averaging 78°F (26°C) and nights around 63°F (17°C); expect showers on roughly 30 days across the season.
Winter (December through February)
Winter in Biloxi stays on the cool side of mild, with daytime highs averaging 63°F (17°C) and nights around 48°F (9°C); expect showers on roughly 33 days across the season.
Climate questions, answered
What is the average temperature in Biloxi?
Is Biloxi hot in summer?
Is Biloxi cold in winter?
How many rainy days does Biloxi get in a year?
Best time to visit Biloxi
The best time to visit Biloxi is generally October to February and April, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 69°F (21°C).
Pack for Biloxi with lightweight, breathable clothing and strong sun protection for the hot months; a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - July nights average 76°F (25°C).
Biloxi temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.