Monthly weather forecast and climate
Duluth, MN

What is the coldest month in Duluth?

The coldest month is January, with an average high-temperature of 18.9°F (-7.3°C) and an average low-temperature of 1.6°F (-16.9°C).

How many days does it rain in Duluth?

Throughout the year, in Duluth, Minnesota, there are 131.4 rainfall days, and 31" (786.3mm) of precipitation is accumulated.

When does it snow in Duluth?

January through May, September through December are months with snowfall.

How many days does it snow in Duluth?

Throughout the year, in Duluth, there are 60.6 snowfall days, and 86.1" (2187.1mm) of snow is accumulated.

When does it snow the most in Duluth?

January is the month with the most snowfall. Snow falls for 12.9 days and accumulates 19.4" (492.8mm) of snow.

What is the driest month in Duluth?

The month with the least rainfall in Duluth, Minnesota, is February when the rain falls for 8.5 days and typically collects 0.8" (20.6mm) of precipitation.

What is the wettest month in Duluth?

The month with the most rainfall in Duluth, Minnesota, is June when the rain falls for 12.6 days and typically aggregates up to 4.2" (107.4mm) of precipitation.

What is the warmest month in Duluth?

With an average high-temperature of 76.3°F (24.6°C) and an average low-temperature of 55.4°F (13°C), July is the warmest month in Duluth, Minnesota.
Average humidity - Duluth, MN
Average rainfall - Duluth, MN
Average rainfall days - Duluth, MN

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 - Duluth, MN
Average snowfall days - Duluth, MN

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 - Duluth, MN

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 / Average sunshine - Duluth, MN

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

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

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