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Galveston County, Texas

Gutter cleaning, repair and new gutters in San Leon, TX

Rain in San Leon adds up to about 60 inches in a normal year, with about 19 days that bring an inch or more. The wettest season is fall (September to November), with about 17.7 inches; the driest is winter (December to February), with 12.3. That is about 37,300 gallons a year off each 1,000 square feet of roof, every drop of it through a gutter and a downspout.

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San Leon: rain and roofs

NOAA station USC00414333, 9 mi
60.2 in
Rain in a normal year, San Leon
NOAA normal, HOUSTON NWSO
18.8
Days with an inch or more
a year
37,300 gal
Water off 1,000 sq ft of roof in San Leon
0.62 gal per sq ft per inch
10.73 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 11
Dec 14
First fall frost
median date
1996
Median year homes were built
ACS 2020–2024
24%
Homes built before 1980
ACS 2020–2024
Winter12.3 in
Spring12.6 in
Summer17.5 in
Fall17.7 in

Bars to one scale; the longest is fall (September to November).

Counting days with an inch of rain or more, San Leon sits 44th for heavy-rain days of the 959 places in Texas on this site (18.8 a year). By house age it falls near the middle of the 959 places in Texas on this site (half built by 1996). By first frost it falls among the latest for the first fall frost of the 821 places in Texas on this site (December 14).

When to clean gutters in San Leon

The first fall frost comes around December 14 in a typical year here, and the last spring frost around January 31 (median dates, NOAA normals). Booking the fall cleaning after the first frost, once the trees over the roof are bare, catches the season’s drop in one visit; the spring cleaning comes after the pollen and catkins are down.

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

Gutter and downspout size for San Leon rain

The short, hard downpour is what a gutter is sized for. In San Leon the five-minute rain expected about once in ten years falls at 10.73 inches an hour (NOAA Atlas 14 Volume 11). At that rate one 2-by-3-inch downspout drains about 670 square feet of roof and one 3-by-4-inch downspout about 1,340, 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 San Leon

Half the homes in San Leon were built by 1996, 24% before 1980 (ACS 2020–2024). Most houses here are young enough to have their first gutters, so cleanings, guards and small leaks come up more than replacements.

82% of households own their home, and 61% of homes are detached houses. If an association maintains the exterior, the gutters may be its job rather than yours; check before calling.

Hiring in Texas

Licensing for gutter work differs from state to state; ask a contractor in San Leon which license or registration they hold in Texas, and for proof of liability insurance. Hiring a gutter contractor

Gutter work in San Leon

With 18.8 days a year of an inch or more, a clogged gutter or a short downspout shows up here quickly. The line takes all of it:

Nearby

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