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Gutter cleaning, repair and new gutters in Norristown, PA

Rain in Norristown adds up to about 51 inches in a normal year, with about 15 days that bring an inch or more. The wettest season is summer (June to August), with about 13.9 inches; the driest is winter (December to February), with 11.4. Every 1,000 square feet of roof sheds about 31,400 gallons a year, and all of it goes through the gutters.

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Norristown: rain and roofs

NOAA station USC00366370, 1 mi
50.6 in
Rain in a normal year, Norristown
NOAA normal, NORRISTOWN
15.0
Days with an inch or more
a year
31,400 gal
Water off 1,000 sq ft of roof in Norristown
0.62 gal per sq ft per inch
6.37 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 2
Oct 31
First fall frost
median date
1955
Median year homes were built
ACS 2020–2024
84%
Homes built before 1980
ACS 2020–2024
Winter11.4 in
Spring12.6 in
Summer13.9 in
Fall12.8 in

Bars to one scale; the longest is summer (June to August).

For days with an inch of rain or more, Norristown ranks 18th for heavy-rain days of the 975 places in Pennsylvania on this site (15.0 a year). Its housing ranks near the middle of the 970 places in Pennsylvania on this site (half built by 1955). The first frost here ranks among the latest for the first fall frost of the 975 places in Pennsylvania on this site (October 31).

When to clean gutters in Norristown

The first fall frost comes around October 31 in a typical year here, and the last spring frost around April 8 (median dates, NOAA normals). Plan the fall visit for after the frost, when the trees over the roof have finished dropping, and the spring visit for after the pollen and catkins.

When to clean gutters explains how the trees over a roof change the schedule.

Gutter and downspout size for Norristown rain

Gutters are sized for the worst few minutes of a storm, not for the year. In Norristown the five-minute rain expected about once in ten years falls at 6.37 inches an hour (NOAA Atlas 14 Volume 2). At that rate one 2-by-3-inch downspout drains about 1,130 square feet of roof and one 3-by-4-inch downspout about 2,260, by the rule in the Copper Development Association’s design handbook. Try your own roof in the gutter and downspout calculator, which starts from this figure.

The houses in Norristown

Half the homes in Norristown were built by 1955, 84% before 1980 (ACS 2020–2024). At that age a gutter has seen decades of leaves and storms, and the fascia it hangs from has too. On a house built before 1978, replacing more than 20 square feet of painted fascia or trim falls under the EPA’s lead-safe rule, so ask whether the crew is certified.

41% of households own their home, and 14% of homes are detached houses, 46% townhouses. Where an HOA governs the exterior, its rules on gutter color and style apply before any order is placed.

Hiring in Pennsylvania

Pennsylvania requires home improvement contractors to register with the Attorney General under the Home Improvement Consumer Protection Act. On contracts over $5,000 the deposit may not exceed one third of the price, and the homeowner can cancel within three business days of signing. Ask for the registration number and check it before signing.

Source: Home Improvement Consumer Protection Act, Act 132 of 2008. Look-up: Pennsylvania Attorney General, contractor registration search.

Gutter work in Norristown

With half the homes built by 1955, replacement gutters and the fascia behind them come up more often here than in newer suburbs. The line takes all of it:

Nearby

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