Biloxi, MS Climate & Monthly Averages
The climate of Biloxi
Biloxi is genuinely wet: 70.7 inches (1796 mm) falls in an average year, across 160 days that carry about 11.2 mm each when they come. Temperatures are the calmer variable, running 60°F (16°C) to 88°F (31°C) between January and July.
Climate quick facts
- Hottest month: July - highs near 88°F (31°C)
- Coldest month: January - highs near 60°F (16°C)
- Decade extremes (2015-2024): 103°F (39°C) high · 17°F (-8°C) low
- Wettest month: August (20 rainy days) · Sunniest: June (11.3 h sun/day)
- Climate type: humid subtropical
- Annual swing: 16°C between the average warmest and coolest month · day to night: 8°C
- Months averaging 30°C or hotter: 3
- Average humidity: 77%
Temperatures through the year
Sunshine averages 9.4 hours a day over the year, peaking in June at 11.3 hours. July is the warm end of the year, averaging 88°F (31°C) by day and 76°F (25°C) overnight. January sits at the other end of the year: 60°F (16°C) by day, 44°F (7°C) at night. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 103°F (39°C) and the lowest daily minimum 17°F (-8°C). Average highs hold at or above 30°C for 3 months of the year, June through August being the unbroken run.
Rain, sun and snow
Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is October through November.
How Biloxi compares
- Annual precipitation is 70.7 inches (1796 mm) - wetter than 89% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
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 is pleasantly warm, with daytime highs averaging 76°F (24°C) and nights around 62°F (16°C); rain falls on around 36 of the 90 days.
Summer (June through August)
Through summer, Biloxi is hot: 88°F (31°C) by day, 76°F (24°C) after dark, and rain falls on around 61 of the 90 days. Daylight is generous - around 10.8 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Through fall, Biloxi is pleasantly warm: 78°F (26°C) by day, 63°F (17°C) after dark, and expect showers on roughly 30 days across the season.
Winter (December through February)
Winter in Biloxi is crisp but comfortable, with daytime highs averaging 63°F (17°C) and nights around 48°F (9°C); rain falls on around 33 of the 90 days.
Climate questions, answered
What should I pack for Biloxi?
How humid does Biloxi get?
How often does it rain in Biloxi?
Is Biloxi hot in summer?
Is Biloxi cold in winter?
Best time to visit Biloxi
Aim for October to February and April if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 69°F (21°C) against roughly 10 wet days a month. For the same question asked the other way round, see where else is warm in October.
Pack for Biloxi with light clothing for the warm months, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. Note the gap between afternoon and night: July pairs 88°F (31°C) with 76°F (25°C).
Biloxi temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.