Saint Joseph receives its highest rainfall in Jun, while humidity peaks during winter months.
🌧️ Wettest:Jun — 130 mm☀️ Driest:Jan — 24 mm
💧 Humidity peaks at 82% in Dec · annual avg 74%
🌍 Climate Summary
Avg Annual Temp:53.6°F
Avg Annual Rainfall:928 mm
Avg Humidity:74%
Data Period:1981 – 2025
Saint Joseph Climate Overview
Saint Joseph has a warm temperate climate with warm summers and freezing winters.
Temperatures peak in Aug and drop to their lowest in Jan,
while rainfall is highest during summer months.
Humidity remains moderate throughout the year, especially during winter months, creating cold and damp conditions.
📈 Yearly Trends
The warmest year in Saint Joseph's recorded history was 2012
(avg: 57.9°F),
while the coldest year was 1993
(avg: 48.7°F),
based on annual average temperatures.
📊 Key Climate Trends
🌡️ Saint Joseph's temperature shows a slight warming trend over the past decade
📈 Minimum temperatures show a slight warming trend in recent years
🌧️ Rainfall has decreased in recent years compared to earlier periods
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °F
Saint Joseph's temperatures shows a slight warming trend over the past decade.
The highest recorded temperature reached
111.1°F in Aug 1983,
while the lowest dropped to
-26.3°F in Dec 1983.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in Saint Joseph shows noticeable variation. Rainfall has decreased in recent years compared to earlier periods.
Based on 45 years of data (1981–2025), Aug is typically the hottest month in Saint Joseph, Missouri, with average high temperatures around 99.1°F.
What is the coldest month in Saint Joseph?▼
Jan is the coldest month in Saint Joseph, with average low temperatures around -1.7°F.
What is the rainiest month in Saint Joseph?▼
Jun receives the most rainfall with approximately 130 mm, while Jan is the driest with 24 mm.
What was the highest temperature ever recorded in Saint Joseph?▼
The highest recorded temperature was 111.1°F in Aug 1983. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Saint Joseph?▼
The lowest recorded temperature was -26.3°F in Dec 1983.
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 Saint Joseph get?▼
Saint Joseph receives the most sunlight in Jun with an average solar radiation of 6.35 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Missouri.
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.