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City guide · Minnesota

Outdoor Project Weather in Duluth, MN

This page runs Duluth's forecast against all six task rulesets at once. Verdicts load live above; the month-by-month matrix below — built from NOAA 1991–2020 normals — shows when each job's season opens. Lawn Seeding gets the most calendar here: 180 workable days a year.

Six tasks · one forecast · Minnesota

AugustBest overall month
Lawn SeedingFriendliest task
640 task-daysWorkable task-days/yr
6Tasks tracked
Average of all six tasks

Today at a glance

Verdicts load live from the 10-day forecast; without JavaScript this column stays blank and the year-round matrix below still answers the planning question.
Task	Today	Best months here	Full 10-day check
Deck Staining	—	Aug, Jul, Sep	Stain a Deck in Duluth →
Exterior Painting	—	Aug, Jul, Sep	Paint Outside in Duluth →
Driveway Sealing	—	Aug, Jul, Sep	Seal a Driveway in Duluth →
Concrete Pouring	—	Aug, Jul, Sep	Pour Concrete in Duluth →
Roof Coating	—	Aug, Jul, Sep	Coat a Roof in Duluth →
Lawn Seeding	—	May, Jul, Aug	Seed a Lawn in Duluth →

Keep the tour going — compare this calendar with Brooklyn Park, MN behind you or Minneapolis, MN up next.

Project weather, month by month

Workable days per month by task, from NOAA 1991–2020 normals for SUPERIOR, WI US. Darker = more workable days.
Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deck Staining	0	0	0	0	12	19	20	21	20	8	0	0
Exterior Painting	0	0	0	0	12	19	20	21	20	8	0	0
Driveway Sealing	0	0	0	0	0	8	20	21	11	0	0	0
Concrete Pouring	0	0	0	0	12	19	20	21	20	8	0	0
Roof Coating	0	0	0	0	12	19	20	21	20	8	0	0
Lawn Seeding	0	0	0	5	31	30	31	31	30	22	0	0

Which task gets the most weather in Duluth?

Lawn Seeding180days/yr
Deck Staining100days/yr
Exterior Painting100days/yr
Concrete Pouring100days/yr
Roof Coating100days/yr
Driveway Sealing60days/yr

Season edges differ by task — that's the point of checking six at once. In Duluth the earliest opener starts around May and the last holdout closes after October. A week that fails the paint rules on humidity can still pass seeding, and a frost that ends concrete season leaves sealing untouched until nights slip under 50°F.

If you only open one full check, make it lawn seeding — Duluth's longest season at 180 workable days.

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Full 10-day checks

Minnesota

Climatology: NOAA 1991–2020 normals via SUPERIOR, WI US (7.5 km from Duluth center); live outlook by Open-Meteo.