Simi Valley Trees that clog your Gutters

Oak Sycamore California Walnut California Black Walnut California Buckeye Western Redbud Toyon California Fan Palm California Live Oak Western Cottonwood California Bay Laurel Western Sycamore Coast Live Oak California Blackberry

Simi Valley birds that clog your gutters

American Robin Western Bluebird House Sparrow Anna's Hummingbird American Crow California Scrub-Jay Northern Mockingbird American Goldfinch Black-capped Chickadee White-crowned Sparrow

Simi Valley varmints that clog your gutters

Deer Mouse House Mouse Western Harvest Mouse California Pocket Mouse Western Gray Squirrel Eastern Fox Squirrel

Seasonal Weather Patterns in Simi Valley

Simi Valley, California experiences a Mediterranean inland climate with hot, dry summers and mild, wet winters — a combination that can quietly impact gutter systems and home exteriors throughout the year. In winter (December–February), most of the area’s rainfall arrives, often through brief but intense storms that can easily overflow clogged or undersized gutters. When debris blocks downspouts, water may back up and cause fascia rot, roof leaks, or foundation erosion. Spring (March–May) brings lighter rainfall and breezy days that spread pollen, dust, and small leaves from the region’s oak and sycamore trees. This fine debris collects inside gutters, restricting flow and creating conditions for early rust or corrosion if not cleaned out before summer. By summer (June–August), Simi Valley turns hot and arid, with highs regularly reaching the 90s and little to no rain. Though gutters stay dry, UV exposure, heat expansion, and dust accumulation can weaken joints, fade coatings, and loosen fasteners over time. Wildfire ash or wind-blown dirt can also settle into gutters, creating buildup that goes unnoticed until rain returns. In fall (September–November), the Santa Ana winds pick up, scattering dry leaves, branches, and fine dust across rooftops and into gutters just before the next rainy season. While Simi Valley rarely experiences freezing temperatures, its mix of heat, wind, dust, and heavy seasonal rain makes routine gutter cleaning, sealing, and inspection essential to prevent leaks, clogs, and long-term home damage.

Best Simi Valley Gutter Company Services

John and his beautiful and well trained dog came for estimate and he had some great suggestions on where to add and subtract the downspouts. We have never done seamless gutters and they really are very beautiful. We went with a beautiful dark bronze which matches the house and our fascia boards perfectly. The crew did a great job. We will see how they work after some rain but John let me know that they could come back if there is an issue and modify if necessary. Great warranty by the company. Honestly, the dog was the best part. She really should be on your business card not gutters!

I’ve worked with many homeowners and property managers in Simi Valley over the years, helping them protect their homes from the challenges our local weather creates for gutters. Simi Valley receives about 17 inches of rain per year, mostly between November and April, with heavier storms often arriving in February. The hot, dry summers bake leaves, dirt, and roof debris into gutters, making clogs harder to remove once the rain returns. Add in strong Santa Ana winds that sweep through the valley and fill gutters with oak and eucalyptus leaves overnight, and it’s clear why seamless gutter systems and consistent maintenance are essential to keeping Simi Valley homes protected year-round.

— Jon Daniels, Owner, AD Green Gutters & Screens

Simi Valley Trees that clog your Gutters
Oak
Sycamore
California Walnut
California Black Walnut
California Buckeye
Western Redbud
Toyon
California Fan Palm
California Live Oak
Western Cottonwood
California Bay Laurel
Western Sycamore
Coast Live Oak
California Blackberry
Simi Valley birds that clog your gutters
American Robin
Western Bluebird
House Sparrow
Anna's Hummingbird
American Crow
California Scrub-Jay
Northern Mockingbird
American Goldfinch
Black-capped Chickadee
White-crowned Sparrow
Simi Valley varmints that clog your gutters
Deer Mouse
House Mouse
Western Harvest Mouse
California Pocket Mouse
Western Gray Squirrel
Eastern Fox Squirrel
Seasonal Weather Patterns in Simi Valley
Simi Valley, California experiences a Mediterranean inland climate with hot, dry summers and mild, wet winters — a combination that can quietly impact gutter systems and home exteriors throughout the year. In winter (December–February), most of the area’s rainfall arrives, often through brief but intense storms that can easily overflow clogged or undersized gutters. When debris blocks downspouts, water may back up and cause fascia rot, roof leaks, or foundation erosion. Spring (March–May) brings lighter rainfall and breezy days that spread pollen, dust, and small leaves from the region’s oak and sycamore trees. This fine debris collects inside gutters, restricting flow and creating conditions for early rust or corrosion if not cleaned out before summer.

By summer (June–August), Simi Valley turns hot and arid, with highs regularly reaching the 90s and little to no rain. Though gutters stay dry, UV exposure, heat expansion, and dust accumulation can weaken joints, fade coatings, and loosen fasteners over time. Wildfire ash or wind-blown dirt can also settle into gutters, creating buildup that goes unnoticed until rain returns. In fall (September–November), the Santa Ana winds pick up, scattering dry leaves, branches, and fine dust across rooftops and into gutters just before the next rainy season. While Simi Valley rarely experiences freezing temperatures, its mix of heat, wind, dust, and heavy seasonal rain makes routine gutter cleaning, sealing, and inspection essential to prevent leaks, clogs, and long-term home damage.