Grand Forks (ND) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Grand Forks.

Climate overview of Grand Forks

Grand Forks, North Dakota, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in July, while winters cool to -8°C (18°F) in January.

Annual rain/snowfall is moderate at around 575 mm (23 in), with June being the wettest month. The city also has a distinct dry season from November to April, with warm summers and very cold winters.

Grand Forks Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Grand Forks - and find the best time to visit.

Monthly Temperature in Grand Forks

Depending on the time of the year, temperatures range from comfortable to very cold in Grand Forks. Average daytime temperatures reach a comfortable 27°C (81°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -8°C (18°F).

At night, temperatures range from around 15°C (59°F) in July to -18°C (0°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Grand Forks

Generally, Grand Forks has a moderate amount of precipitation, averaging 575 mm (23 in) of rain/snowfall annually. Grand Forks can be quite wet during June, receiving approximately 92 mm (3.6 in) of precipitation over 14 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 15 mm (0.6 in) of precipitation spread across 7 snowy days. For more details, please visit our Grand Forks Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Grand Forks

For comfortable weather, consider visiting Grand Forks in June, July, August and September. Conditions are usually least favourable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July, August and September
  • Warmest weather: July and August
  • Fewest rainy days: February, March and November
  • Seasonal pattern: A distinct dry season from November to April, with warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -18°C (0°F).

Frequently asked questions about the climate in Grand Forks

What is the best time to visit Grand Forks?

June, July, August and September typically offer the most optimal weather in Grand Forks. In contrast, January, February, March, November and December tend to have less optimal conditions. Grand Forks has a distinct dry season from November to April, with warm summers and very cold winters.

What temperatures can I expect in Grand Forks?

Daytime highs range from -8°C (18°F) in January to 27°C (81°F) in July. Nighttime lows range from -18°C (0°F) to 15°C (59°F). Temperatures vary considerably through the year.

How much rain does Grand Forks get?

Annual rainfall is around 575 mm (23 in). June is the wettest month with 92 mm (3.6 in), while February is the driest with 15 mm (0.6 in).

Grand Forks 3-Day Forecast

Grand Forks on the map

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