May Weather in Duluth

Last updated: March 2, 2024

The weather in Duluth, United States, during May is characterized by an average temperature of 21°C (71°F). Highs can soar to 32°C (89°F), while lows may dip to 9°C (48°F). Typically, the humidity level in Duluth throughout May hovers around 81%.

9°C (48°F)

Minimum temperature

21°C (71°F)

Average temperature

32°C (89°F)

Maximum temperature

81%

Humidity

Precipitation and Sunshine hours

In May, Duluth averages 116 mm (4.6 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 13 hours 56 minutes of daylight, with the sun shining for approximately 10 hours 1 minutes each day. Additionally, there is a 36% probability of sunny days during this period.

116 mm (4.6 inches)

Precipitation

11 rainy days

Rainy days

10 hours 1 minutes

Sunshine hours

36%

Chance of sun

UV Index

In May, the UV Index in Duluth reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 3 5 7 10 11 11 9 7 4 2 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

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