Grand Forks in May

7.2out of 10

Possible, with caveats

Mild: highs around 20°C. Frequent rain: about 11 rainy days.

20°CAvg high
7°CAvg low
11Rainy days (86 mm)
14:57 hDaylight
05:56Sunrise · 20:53 Sunset

Why this score

  • Mild: highs around 20°C
  • Frequent rain: about 11 rainy days

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in May is fairly consistent from year to year (2.7 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-9° -18° J -6° -15° F 2° -8° M 12° 0° A 20° 7° M 25° 14° J 27° 16° J 26° 14° A 21° 9° S 12° 2° O 2° -6° N -6° -14° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -9°C-18°C18 mm 5– – 4.4
February -6°C-15°C16 mm 4– – 4.5
March 2°C-8°C30 mm 6– – 4.5
April 12°C0°C44 mm 7– – 6.4
May 20°C7°C86 mm 11– – 7.2
June 25°C14°C104 mm 12– – 7.3
July 27°C16°C89 mm 10– – 7.7
August 26°C14°C81 mm 9– – 7.8
September 21°C9°C68 mm 8– – 7.8
October 12°C2°C58 mm 8– – 6.4
November 2°C-6°C29 mm 5– – 4.7
December -6°C-14°C25 mm 6– – 4.3

Frequently asked questions

How hot is Grand Forks in May?

Daytime highs average 20°C and nights about 7°C.

When is the best time to visit Grand Forks?

The best months are August, September, July, June.