South Carolina, United States • Historical Climate Data for the Past 45 Years
Location: 34.8606°N, 82.3920°W
°F / °C
Greenville Climate Overview
Greenville, South Carolina has an average annual temperature of
57.7°F
(high/low average), approximately 1356 mm
of rainfall per year, and average humidity of
76%.
This page covers 45 years of historical climate data (1981–2025)
sourced from NASA POWER — including monthly temperatures, precipitation, humidity,
wind speed, and solar radiation (kWh/m²) with interactive charts and year-by-year records.
Solar radiation data helps understand sunshine availability, which is valuable for solar energy planning,
agriculture, and outdoor activity scheduling in South Carolina.
The chart above shows average monthly temperatures for Greenville based on 45 years of climate data.
Jul is typically the hottest month with average highs around
95.3°F, while
Jan is the coldest with average lows around
13.2°F.
These patterns help with travel planning, agriculture, and understanding seasonal variations in South Carolina.
💨 Humidity & Wind Speed
Monthly averages · 1981–2025
💧 Rainfall & Humidity in Greenville
Jul is the wettest month with approximately
123 mm of precipitation, while
Oct is the driest with 95 mm.
Average annual humidity is 76%.
Peak humidity occurs in Jan at 82%.
Monthly Climate Data
View:
Month
🌤️
High
Low
Avg
Humid %
Rain (mm)
Wind (m/s)
Solar (kWh/m²)
Showing average climate conditions across 45 years (1981–2025)
📊 About Monthly Averages
This view shows climate patterns averaged across all 45 years of data (1981–2025).
Use the toggle above to switch to a specific year and see actual recorded values for that year.
🌍 Climate Summary
Avg Annual Temp:57.7°F
Avg Annual Rainfall:1356 mm
Avg Humidity:76%
Data Period:1981 – 2025
📈 Yearly Trends
🌡️ Annual Temperature Trend
Average annual high/low temperature · Last 10 years
📈 Greenville Climate Trends (1981–2025)
This chart tracks how Greenville's temperatures have changed across 45 years of data.
The highest recorded monthly temperature was 103.5°F
(Jul 2012) and the lowest was
-15.4°F
(Feb 1996).
🌧️ Annual Precipitation
Total annual precipitation · Last 10 years · mm/year
Based on 45 years of data (1981–2025), Jul is typically the hottest month in Greenville, South Carolina, with average high temperatures around 95.3°F.
What is the coldest month in Greenville?▼
Jan is the coldest month in Greenville, with average low temperatures around 13.2°F.
What is the rainiest month in Greenville?▼
Jul receives the most rainfall with approximately 123 mm, while Oct is the driest with 95 mm.
What was the highest temperature ever recorded in Greenville?▼
The highest recorded temperature was 103.5°F in Jul 2012. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Greenville?▼
The lowest recorded temperature was -15.4°F in Feb 1996.
How many years of data does this page cover?▼
This page covers 45 years of climate data from 1981 to 2025. As new data is added to the database the page automatically reflects the updated coverage.
How much sunlight does Greenville get?▼
Greenville receives the most sunlight in Jun with an average solar radiation of 6.37 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in South Carolina.
Where does this weather data come from?▼
All climate data is sourced from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite and model data. It provides monthly averages for temperature, precipitation, humidity, wind speed, and solar radiation.
📚 Data Source
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.