Mississippi has an average annual temperature of
63.5°F
(across all 10 cities) with approximately
1452 mm of annual precipitation
and average humidity of 77%.
The warmest city is Hattiesburg
with average July highs of 101.8°F,
while Southaven
is the coldest with average January lows of 14.5°F.
This page covers 45 years of NASA POWER climate data (1981–2025)
including temperature, rainfall, humidity, wind speed, and solar radiation.
Aug is typically the warmest month across Mississippi with average highs around
99.9°F, while
Jan is the coldest with average lows near
19.6°F.
Mar is the wettest month with approximately
140 mm of rainfall on average.
This chart shows how Mississippi's average temperatures have shifted across 45 years.
Use the range buttons to focus on recent decades or view the full historical record.
Data is averaged across all 10 cities in the state.
🌧️ Annual Precipitation Trend
State-wide avg annual precipitation · Last 10 years · mm/year
🔗 Explore Cities in Mississippi
Browse detailed weather history, monthly averages, and 45-year climate trends for every city in Mississippi.
Gulfport is the wettest city in Mississippi with approximately 1616 mm of annual precipitation on average. View Gulfport weather history →
What is the warmest month in Mississippi?▼
Aug is the warmest month across Mississippi, with state-wide average highs of 99.9°F and average lows of 64.6°F.
How many cities in Mississippi have weather data?▼
TownPillar has historical weather data for 10 cities in Mississippi, covering 45 years of NASA POWER climate records from 1981 to 2025.
Which month has the most sunshine in Mississippi?▼
Jun is the sunniest month across Mississippi with an average solar radiation of 6.30 kWh/m²/day state-wide. This solar radiation data from NASA POWER is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability.
Where does this climate data come from?▼
All data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis data. It includes monthly temperature, precipitation, humidity, wind speed, and solar radiation at 0.5° × 0.625° spatial resolution.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources). Data covers 45 years (1981–2025) across 10 cities in Mississippi at monthly temporal resolution.