Weather in Biloxi, Mississippi
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast—81°64°
- SundayMay 17Overcast—80°68°
- MondayMay 18Overcast14%82°73°
- TuesdayMay 19Overcast11%85°76°
- WednesdayMay 20Overcast—86°73°
- ThursdayMay 21Overcast20%85°73°
- FridayMay 22Overcast39%85°76°
- PM 2.5
- 6.3 μg/m³
- PM 10
- 10.0 μg/m³
- NO₂
- 2.2 μg/m³
- Ozone
- 103.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 11:16 AM
- Moonset
- 1:05 AM
- In sign
- ♊︎ Gemini
Roses open on the Piedmont edge
Biloxi at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: February 18 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Peak growing season
As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
Biloxi's warmest month is July (~83°F mean) and its coldest is January (~52°F). Rainfall peaks in July (7.2 inches) and bottoms out in October (3.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 52° | 4.9″ | 6 |
| February | 56° | 4.4″ | 6 |
| March | 61° | 5.2″ | 6 |
| April | 68° | 5.5″ | 5 |
| May | 75° | 4.7″ | 5 |
| June | 81° | 6.9″ | 8 |
| July | 83° | 7.2″ | 9 |
| August | 83° | 6.5″ | 9 |
| September | 79° | 5.2″ | 6 |
| October | 70° | 3.7″ | 4 |
| November | 60° | 4.0″ | 5 |
| December | 54° | 4.5″ | 6 |
Regional context
Biloxi sits within a humid subtropical climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Jackson, MS, Gulfport, MS, Hattiesburg, MS, Southaven, MS, Olive Branch, MS.
Frequently asked
- When does it freeze in Biloxi?
- Biloxi's last spring frost typically falls around mid-March, and the first fall frost arrives around mid-December.
- What is the rainy season in Biloxi?
- July is the wettest month with about 7.2 inches of rain on average; the city receives roughly 63 inches annually.
- What is the warmest month in Biloxi?
- July is typically warmest, averaging about 83°F.
- What is the coldest month in Biloxi?
- January is typically coldest, averaging about 52°F.
- When can I start a vegetable garden in Biloxi?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-March); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Biloxi get?
- Biloxi averages about 74 rainy days per year.
- What hardiness zone is Biloxi?
- Biloxi's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Biloxi, Mississippi sits in a humid subtropical climate zone. January means hover near 52°F while July averages 83°F — a 31°F seasonal swing.
Across the year, Biloxi receives about 63 inches of precipitation spread over roughly 74 rainy days.
The rhythm of the year is set by latitude (30.4°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.