Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
As May begins, there is a noticeable increase in the average high-temperature, soaring from a frosty 46°F (7.8°C) in April to a refreshing 61°F (16.1°C). May brings an average low-temperature of 41.9°F (5.5°C) to Duluth.Humidity
With an average relative humidity of 72%, May is the least humid month in Duluth, Minnesota.Rainfall
In May, the rain falls for 16.3 days. Throughout May, 2.83" (72mm) of precipitation is accumulated. Throughout the year, in Duluth, there are 135.2 rainfall days, and 24.53" (623mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Duluth, Minnesota. May is the last month it regularly snows in Duluth. During 0.8 snowfall days, in May, Duluth aggregates 0.2" (5mm) of snow. In Duluth, during the entire year, snow falls for 90.9 days and aggregates up to 33.27" (845mm) of snow.Ocean temperature
In Duluth, the average seawater temperature in May is 37.4°F (3°C).Note: In the sport of swimming, this scenario is extremely cold, treacherous, and fatal. If not protected by insulated waterproof clothing, hypothermia ensues quickly.
Daylight
In Duluth, Minnesota, the average length of the day in May is 15h and 4min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:18 pm. On the last day of May, sunrise is at 5:18 am and sunset at 8:54 pm CDT.
Sunshine
The average sunshine in May in Duluth, Minnesota, is 8.5h.UV index
The average daily maximum UV index in May in Duluth is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Duluth in May?
What is the least humid month in Duluth?
What is the average humidity in May in Duluth?
How much does it rain in Duluth in May?
What is the last month it snows in Duluth?
What is the ocean temperature in May in Duluth?
What is the average length of the day in May in Duluth?
When is the sunrise / sunset in May in Duluth?
How many hours of sunshine does Duluth have in May?
What is the UV index intensity in May in Duluth?
Average temperature in May
Duluth, MN
- Average high temperature in May: 61°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (16.3°F).
- Average low temperature in May: 41.9°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (3.9°F).
Average pressure in May
Duluth, MN
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Duluth, MN
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in May
Duluth, MN
- Average humidity in May: 72%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in May
Duluth, MN
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in May
Duluth, MN
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in May
Duluth, MN
- Average snowfall in May: 0.2"
The month with the highest snowfall is December (7.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Duluth, MN
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (20.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in May
Duluth, MN
- Average sea temperature in May: 37°F
The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (36°F).
Average daylight in May /
Average sunshine in May
Duluth, MN
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in May
Duluth, MN
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (13.7 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in May
Duluth, MN
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in May
Duluth, MN
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Duluth, MN
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Duluth, Minnesota, USA
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