Massachusetts, United States • Historical Climate Data for the Past 45 Years
Location: 42.2644°N, 71.0201°W
°F / °C
Quincy Climate Overview
Quincy, Massachusetts has an average annual temperature of
50°F
(high/low average), approximately 1213 mm
of rainfall per year, and average humidity of
80%.
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 Massachusetts.
The chart above shows average monthly temperatures for Quincy based on 45 years of climate data.
Aug is typically the hottest month with average highs around
90.7°F, while
Jan is the coldest with average lows around
0°F.
These patterns help with travel planning, agriculture, and understanding seasonal variations in Massachusetts.
💨 Humidity & Wind Speed
Monthly averages · 1981–2025
💧 Rainfall & Humidity in Quincy
Oct is the wettest month with approximately
114 mm of precipitation, while
Feb is the driest with 86 mm.
Average annual humidity is 80%.
Peak humidity occurs in Jan at 88%.
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:50°F
Avg Annual Rainfall:1213 mm
Avg Humidity:80%
Data Period:1981 – 2025
📈 Yearly Trends
🌡️ Annual Temperature Trend
Average annual high/low temperature · Last 10 years
📈 Quincy Climate Trends (1981–2025)
This chart tracks how Quincy's temperatures have changed across 45 years of data.
The highest recorded monthly temperature was 100.4°F
(Aug 2002) and the lowest was
-14.7°F
(Feb 2015).
🌧️ Annual Precipitation
Total annual precipitation · Last 10 years · mm/year
Based on 45 years of data (1981–2025), Aug is typically the hottest month in Quincy, Massachusetts, with average high temperatures around 90.7°F.
What is the coldest month in Quincy?▼
Jan is the coldest month in Quincy, with average low temperatures around 0°F.
What is the rainiest month in Quincy?▼
Oct receives the most rainfall with approximately 114 mm, while Feb is the driest with 86 mm.
What was the highest temperature ever recorded in Quincy?▼
The highest recorded temperature was 100.4°F in Aug 2002. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Quincy?▼
The lowest recorded temperature was -14.7°F in Feb 2015.
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 Quincy get?▼
Quincy receives the most sunlight in Jul with an average solar radiation of 5.85 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Massachusetts.
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.