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City guide · Arizona

Outdoor Project Weather in Surprise, AZ

One forecast, six label checks. Today's verdict for every task in Surprise loads above; the matrix below shows the whole year at a glance, computed from NOAA 1991–2020 normals at Wittmann 1Se, Az Us. The friendliest calendar here belongs to lawn seeding (189 workable days a year).

Six tasks · one forecast · Arizona

AprilBest overall month
Lawn SeedingFriendliest task
826 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	—	Apr, Mar, Nov	Stain a Deck in Surprise →
Exterior Painting	—	Apr, Mar, Nov	Paint Outside in Surprise →
Driveway Sealing	—	Oct, Apr, May	Seal a Driveway in Surprise →
Concrete Pouring	—	Apr, Mar, Nov	Pour Concrete in Surprise →
Roof Coating	—	Apr, Mar, Nov	Coat a Roof in Surprise →
Lawn Seeding	—	Jan, Mar, Dec	Seed a Lawn in Surprise →

Keep the tour going — compare this calendar with Scottsdale, AZ behind you or Tempe, AZ up next.

Project weather, month by month

Workable days per month by task, from NOAA 1991–2020 normals for WITTMANN 1SE, AZ US. Darker = more workable days.
Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deck Staining	0	22	28	29	11	0	0	0	0	24	28	4
Exterior Painting	0	22	28	29	11	0	0	0	0	24	28	4
Driveway Sealing	0	0	0	15	11	0	0	0	0	24	3	0
Concrete Pouring	0	22	28	29	11	0	0	0	0	24	28	4
Roof Coating	0	22	28	29	11	0	0	0	0	24	28	4
Lawn Seeding	31	29	31	26	0	0	0	0	0	11	30	31

Which task gets the most weather in Surprise?

Lawn Seeding189days/yr
Deck Staining146days/yr
Exterior Painting146days/yr
Concrete Pouring146days/yr
Roof Coating146days/yr
Driveway Sealing53days/yr

The composite season in Surprise opens around February and closes after May: coatings wait on warm nights, concrete on freeze-free 48-hour stretches, seeding on the 55–80°F germination band. Between those bookends, the right question is which task fits this week — which is what the verdicts above answer.

Deepest calendar first: start with lawn seeding in Surprise (189 workable days a year), then work down the matrix.

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Full 10-day checks

Arizona

Climatology: NOAA 1991–2020 normals via WITTMANN 1SE, AZ US (12.6 km from Surprise center); live outlook by Open-Meteo.