Grand Forks receives its highest rainfall in Jun, while humidity peaks during winter months.
🌧️ Wettest:Jun — 101 mm☀️ Driest:Feb — 16 mm
💧 Humidity peaks at 92% in Jan · annual avg 73%
🌍 Climate Summary
Avg Annual Temp:41.7°F
Avg Annual Rainfall:587 mm
Avg Humidity:73%
Data Period:1981 – 2025
Grand Forks Climate Overview
Grand Forks has a temperate climate with warm summers and freezing winters.
Temperatures peak in Jul 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 Grand Forks's recorded history was 2012
(avg: 46.6°F),
while the coldest year was 1996
(avg: 35.1°F),
based on annual average temperatures.
📊 Key Climate Trends
🌡️ Grand Forks's temperature has remained relatively stable over the past decade
📈 Minimum temperatures show a slight warming trend in recent years
🌧️ Rainfall varies year-to-year without a clear long-term trend
🌡️ Annual Temperature Trend
View Range:
Average annual high/low · Last 10 years · °F
Grand Forks's temperatures has remained relatively stable over the past decade.
The highest recorded temperature reached
106.3°F in Jul 2006,
while the lowest dropped to
-49.8°F in Feb 1996.
🌧️ Annual Precipitation
View Range:
Total annual precipitation · Last 10 years · mm/year
Annual rainfall in Grand Forks shows noticeable variation. Rainfall varies year-to-year without a clear long-term trend.
Based on 45 years of data (1981–2025), Jul is typically the hottest month in Grand Forks, North Dakota, with average high temperatures around 94.1°F.
What is the coldest month in Grand Forks?▼
Jan is the coldest month in Grand Forks, with average low temperatures around -28.7°F.
What is the rainiest month in Grand Forks?▼
Jun receives the most rainfall with approximately 101 mm, while Feb is the driest with 16 mm.
What was the highest temperature ever recorded in Grand Forks?▼
The highest recorded temperature was 106.3°F in Jul 2006. This is part of the historical record spanning 1981–2025.
What was the lowest temperature ever recorded in Grand Forks?▼
The lowest recorded temperature was -49.8°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 Grand Forks get?▼
Grand Forks receives the most sunlight in Jul with an average solar radiation of 6.27 kWh/m²/day. This solar radiation data, sourced from NASA POWER, is useful for solar energy planning, agriculture, and understanding seasonal sunshine availability in North Dakota.
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.