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Grand Forks Climate by Month

The temperature in Grand Forks can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It receives a reasonable amount of rain/snowfall. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Visitors to Grand Forks can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 29°C in July. In December, the coolest month of the year, temperatures drop to a very cold -1°C. At night, expect cooler temperatures, averaging -7°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Grand Forks experiences moderate precipitation patterns, averaging 538 mm yearly. Grand Forks can be quite wet during June, receiving approximately 70 mm of precipitation over 16 rainy days.

In contrast August, experiences much drier conditions, with 21 mm of rainfall, spread across 7 rainy days.

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

The best time of year to visit Grand Forks in Canada

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Grand Forks?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Grand Forks?
    The coldest month is December with an average maximum temperature of -1°C.
  • Which is the wettest month in Grand Forks?
    June tops the wettest month list with 70 mm of rainfall.
  • Which is the driest month in Grand Forks?
    August is the driest month with 21 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Grand Forks

    Sat   Dec 14
    7°C | 2°C
    E 4 km/h
    3.6 mm
    overcast and slight sleet

    overcast and slight sleet

    Sun   Dec 15
    7°C | -1°C
    E 4 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Mon   Dec 16
    4°C | -2°C
    NE 4 km/h
    8 mm
    overcast and heavy snow

    overcast and heavy snow