April weather forecast and climate
Duluth, MN

What is the temperature in April in Duluth?

In April, in Duluth, the average high-temperature is 49.3°F (9.6°C), and the average low-temperature is 30°F (-1.1°C).

How much does it rain in Duluth in April?

In Duluth, Minnesota, in April, during 10.6 rainfall days, typically, 2.4" (61.7mm) of precipitation is accumulated.

How much does it snow in Duluth in April?

In April, it is snowing for 4.6 days. Throughout April, 6.9" (175.3mm) of snow is accumulated.

When is the sea coldest in Duluth?

Months with the coldest seawater in Duluth are January through April, with an average sea temperature of 35.6°F (2°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the sea temperature in April in Duluth?

The average seawater temperature, in April, in Duluth, Minnesota, is 35.6°F (2°C). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.
Average temperature in April - Duluth, MN
  • Average high temperature in April: 49.2°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in April: 30°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (1.5°F).

Average humidity in April - Duluth, MN
  • Average humidity in April: 63.6%

The month with the highest relative humidity is December (76.3%).
The month with the lowest relative humidity is May (62.7%).

Average rainfall in April - Duluth, MN
  • Average rainfall in April: 2.4"

The wettest month (with the highest rainfall) is June (4.2").
The driest month (with the lowest rainfall) is February (0.8").

Average rainfall days in April - Duluth, MN
  • Average rainfall days in April: 10.6 days

The month with the highest number of rainy days is June (12.6 days).
The month with the lowest number of rainy days is February (8.5 days).

Average snowfall in April - Duluth, MN
  • Average snowfall in April: 6.9"

The month with the highest snowfall is January (19.4").
Months with the lowest snowfall are June, July and August (0").

Average snowfall days in April - Duluth, MN
  • Average snowfall days in April: 4.6 days

The month with the highest number of snowfall days is January (12.9 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average sea temperature in April - Duluth, MN
  • Average sea temperature in April: 36°F

The best month for swimming (with the highest average sea temperature) is August (61°F).
Coldest months (with the lowest average sea temperature) are January, February, March and April (36°F).

Average daylight in April / Average sunshine in April - Duluth, MN
  • Average daylight in April: 13.6h

The month with the longest days is June (Average daylight: 15.8h).
The month with shortest days is December (Average daylight: 8.6h).

  • Average sunshine in April: 7.7h

The month with most sunshine is July (Average sunshine: 9.9h).
Months with least sunshine are November and December (Average sunshine: 3.3).

Average UV index in April - Duluth, MN
  • Average UV index in April: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).

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