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 | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 60° | 44° | 11 | 6.0 in | 7.3 h/day | 10.4 h | 35% | 75% |
| February | 65° | 50° | 11 | 4.6 in | 7.7 h/day | 11.1 h | 40% | 78% |
| March | 71° | 56° | 12 | 5.5 in | 9.0 h/day | 11.9 h | 40% | 77% |
| April | 75° | 60° | 11 | 5.8 in | 9.8 h/day | 12.9 h | 36% | 75% |
| May | 82° | 68° | 13 | 6.0 in | 11.1 h/day | 13.7 h | 41% | 77% |
| June | 87° | 74° | 19 | 7.9 in | 11.3 h/day | 14.1 h | 65% | 80% |
| July | 88° | 76° | 22 | 6.6 in | 11.1 h/day | 13.9 h | 69% | 82% |
| August | 89° | 76° | 20 | 8.6 in | 10.0 h/day | 13.2 h | 66% | 81% |
| September | 86° | 72° | 14 | 5.2 in | 10.2 h/day | 12.3 h | 47% | 78% |
| October | 80° | 64° | 7 | 4.5 in | 9.7 h/day | 11.4 h | 23% | 72% |
| November | 70° | 54° | 8 | 3.7 in | 8.2 h/day | 10.6 h | 28% | 74% |
| December | 64° | 50° | 11 | 6.4 in | 6.9 h/day | 10.2 h | 36% | 79% |
Biloxi month by month
Average high and low for each month, with the bar showing where it sits in Biloxi's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 11 days
- Sunshine
- 7.3 h
- Daylight
- 10.4 h
February
- Rain
- 11 days
- Sunshine
- 7.7 h
- Daylight
- 11.1 h
March
- Rain
- 12 days
- Sunshine
- 9.0 h
- Daylight
- 11.9 h
April
- Rain
- 11 days
- Sunshine
- 9.8 h
- Daylight
- 12.9 h
May
- Rain
- 13 days
- Sunshine
- 11.1 h
- Daylight
- 13.7 h
June
- Rain
- 19 days
- Sunshine
- 11.3 h
- Daylight
- 14.1 h
July
- Rain
- 22 days
- Sunshine
- 11.1 h
- Daylight
- 13.9 h
August
- Rain
- 20 days
- Sunshine
- 10.0 h
- Daylight
- 13.2 h
September
- Rain
- 14 days
- Sunshine
- 10.2 h
- Daylight
- 12.3 h
October
- Rain
- 7 days
- Sunshine
- 9.7 h
- Daylight
- 11.4 h
November
- Rain
- 8 days
- Sunshine
- 8.2 h
- Daylight
- 10.6 h
December
- Rain
- 11 days
- Sunshine
- 6.9 h
- Daylight
- 10.2 h
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
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. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.