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Grand Forks Weather in May
May in Grand Forks typically sees daytime highs of 20°C (68°F) and nighttime lows of 5°C (41°F). Expect some rainfall during the month.
Rainfall in Grand Forks in May
Typically around 15 days of rainfall are expected, averaging 54 mm (2.1 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Grand Forks in May
May is a good time to be in Grand Forks. Days are excellent, reaching 20°C (68°F), with nights around 5°C (41°F). Conditions are often most pleasant around the middle of the day. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Grand Forks.
Grand Forks Temperature in May
Min Temperature
5°C (41°F)
Max Temperature
20°C (68°F)
Chance of Rain
50%
Precipitation
54 mm (2.1 in)
Rainy days
15 days
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.
Best Places in Canada in May
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Grand Forks in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.
What To Do in Grand Forks in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping4/10 -
Outdoor sports10/10
Grand Forks 3-Day Forecast
More climate data for Grand Forks
See the full Grand Forks climate overview or explore weather in Canada.
Popular in May
Where to go in May - average daytime high across popular destinations.
Niagara Falls
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