Mississippi has hot, humid summers and mild winters: NOAA's 1991–2020 normals for Jackson International Airport give highs of 92.1–92.2°F in July and August and 57.4°F in January, with April the wettest month at 5.84 inches. The Gulf Coast (Gulfport-Biloxi) is similar but wetter in summer. Choose by activity; we have no verified dataset for hurricane risk, events, crowds or prices.
Month-by-month climate table
| Month | Normal high | Normal low | Normal precipitation | Normal snowfall | Verified notes |
|---|---|---|---|---|---|
| January | 57.4°F | 36.6°F | 5.42 in | 0.2 in | — |
| February | 62.0°F | 39.8°F | 5.10 in | 0.2 in | — |
| March | 69.4°F | 46.4°F | 5.68 in | 0.1 in | — |
| April | 76.5°F | 53.3°F | 5.84 in | 0.0 in | — |
| May | 83.8°F | 62.1°F | 4.36 in | 0.0 in | — |
| June | 89.9°F | 69.4°F | 4.43 in | 0.0 in | — |
| July | 92.1°F | 72.2°F | 5.02 in | 0.0 in | — |
| August | 92.2°F | 71.5°F | 4.69 in | 0.0 in | — |
| September | 87.8°F | 66.0°F | 3.48 in | 0.0 in | — |
| October | 78.3°F | 54.2°F | 3.80 in | 0.0 in | — |
| November | 67.2°F | 43.6°F | 4.40 in | 0.0 in | Jackson tax vote Nov 3 (2026) |
| December | 59.6°F | 38.7°F | 5.13 in | 0.5 in | — |
Source: NOAA NCEI U.S. Climate Normals 1991–2020, Jackson International Airport (USW00003940), retrieved October 20, 2026. Normals are 30-year averages; actual weather varies.
Jackson vs Gulfport-Biloxi
| Station | January high / low | July high / low | Wettest month | Snowfall |
|---|---|---|---|---|
| Jackson | 57.4°F / 36.6°F | 92.1°F / 72.2°F | April (5.84 in) | 0.5 in in December |
| Gulfport-Biloxi | 61.3°F / 42.4°F | 90.4°F / 74.9°F | July (7.21 in) | not reported |
How to choose your month
- Warmest: June–September (Jackson highs 87.8–92.2°F).
- Coolest: December–February (Jackson highs 57.4–62.0°F).
- Wettest: April (5.84 inches) and March (5.68) at Jackson; June–August on the coast.
Limits of this guide
Normals describe typical conditions, not forecasts, and we have no verified dataset for storm risk, event dates, crowds or prices by month, so this page makes no such claims. Use the National Weather Service for forecasts.