May Weather in East Grand Forks, United States

Last updated: June 24, 2025

In May, the average temperature in East Grand Forks, United States hovers around 13°C (56°F). However, be prepared for a wide range, with minimum temperatures plunging to -5°C (24°F) and maximums soaring to 33°C (92°F). With 55 mm (2.2 in) of precipitation spread over 8 days, and an average humidity of 75%, this month promises a varied climate experience.

May Temperature in East Grand Forks

In May in East Grand Forks, the average temperature is 13°C (56°F). The maximum can reach 33°C (92°F) and the minimum can be as low as -5°C (24°F). Be prepared for a wide range of temperatures when traveling to East Grand Forks during this month.

May Weather in East Grand Forks: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in East Grand Forks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Grand Forks, May typically has an average temperature of 13°C (56°F), with highs reaching up to 33°C (92°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec9726395668726859432716
Data source: Temperature data for East Grand Forks generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in East Grand Forks

In East Grand Forks in May, the precipitation amount is 55 mm (2.2 in) over the course of 8 days.

May Precipitation Trends in East Grand Forks

The chart displays monthly precipitation patterns in East Grand Forks, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In East Grand Forks, May typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec182024355583597673802636
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in East Grand Forks

In East Grand Forks in May humidity is 75%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill enveloping you, making travel a bit uncomfortable, as the moisture in the air clings to your skin and can dampen your spirits as well as your clothes.

May Average Humidity in East Grand Forks

This chart illustrates the average monthly humidity levels in East Grand Forks, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in East Grand Forks is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%85%81%75%79%77%78%77%79%86%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in East Grand Forks

In East Grand Forks in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in East Grand Forks.

Maximum UV Index Levels in East Grand Forks for May

The chart shows the monthly maximum UV Index (UVI) for East Grand Forks in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in East Grand Forks typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987422
Data source: East Grand Forks May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in East Grand Forks Compares to Other Months

Weather in East Grand Forks varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in East Grand Forks, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in East Grand Forks, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (9°F)18 mm (0.7 inches)90%low
February Weather-14°C (8°F)20 mm (0.8 inches)92%moderate
March Weather-3°C (26°F)24 mm (1.0 inches)85%moderate
April Weather4°C (39°F)35 mm (1.4 inches)81%high
May Weather13°C (56°F)55 mm (2.2 inches)75%very high
June Weather20°C (69°F)83 mm (3.3 inches)79%very high
July Weather22°C (72°F)59 mm (2.3 inches)76%very high
August Weather20°C (68°F)76 mm (3.0 inches)78%very high
September Weather15°C (60°F)73 mm (2.9 inches)77%high
October Weather6°C (44°F)80 mm (3.1 inches)79%moderate
November Weather-3°C (27°F)26 mm (1.0 inches)86%low
December Weather-9°C (17°F)36 mm (1.4 inches)86%low

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