Dungannon receives its highest rainfall in October, while humidity peaks during winter months.
🌧️ Wettest:October — 109 mm☀️ Driest:April — 70 mm
💧 Humidity peaks at 95% in December · annual avg 90%
🌍 Climate Summary
Avg Annual Temp:9°C
Avg Annual Rainfall:1066 mm
Avg Humidity:90%
Data Period:1981 – 2025
📈 Yearly Trends
The warmest year in Dungannon's recorded history was 2025
(avg: 10.1°C),
while the coldest year was 1986
(avg: 7.5°C).
📊 Key Climate Trends
🌡️ Dungannon's temperature has remained relatively stable over the past decade
📊 Minimum temperatures have remained largely stable across the dataset
🌧️ Rainfall varies year-to-year without a clear long-term trend
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °C
Dungannon's temperatures has remained relatively stable over the past decade.
The highest recorded temperature reached
27.3°C in July 2022,
while the lowest dropped to
-7.9°C in December 1981.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in Dungannon shows noticeable variation. Rainfall varies year-to-year without a clear long-term trend.
Based on 45 years of data (1981–2025), July is typically the hottest month in Dungannon, Northern Ireland, with average high temperatures around 22.9°C.
What is the coldest month in Dungannon?▼
January is the coldest month in Dungannon, with average low temperatures around -2.8°C.
What is the rainiest month in Dungannon?▼
October receives the most rainfall with approximately 109 mm, while April is the driest with 70 mm.
What was the highest temperature ever recorded in Dungannon?▼
The highest recorded temperature was 27.3°C in July 2022. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Dungannon?▼
The lowest recorded temperature was -7.9°C in December 1981.
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 Dungannon get?▼
Dungannon receives the most sunlight in June with an average solar radiation of 4.68 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in Northern Ireland.
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.