Do Christmas Lights Survive Pacific Northwest Rain and Wind?

Nobody in this region needs to be told it rains. What people do not expect is that rain is rarely what kills a light display here. Standing water at the connections and wind fatigue are. Both come down to installation method, which is why choosing the right installer matters more here than in a dry climate.

The three real failure modes

1. 1Water sitting in a connection. Outdoor-rated lights handle rain falling on them. They do not handle a plug lying in a puddle on the deck. Every connection should be up off the ground with a drip loop below it.
2. 2Wind fatigue. A run with too few clips whips in a storm. Whipping loosens sockets, cracks lenses and pulls clips off the gutter. This is the number one cause of a section going dark in January.
3. 3Cheap sockets. Big-box strings use thin sockets that admit water and corrode. Commercial-grade sockets are the single biggest durability difference between a store set and what a professional installs.

What holds up here

• Commercial-grade C9 LED with sealed, gasketed sockets rather than pressed-together consumer sets.
• Clips every 12 inches, tighter at peaks and corners, so nothing has slack to whip.
• Outdoor-rated cords and GFCI outlets, with connections elevated and looped.
• Runs cut to length so there is no coiled excess sitting in a gutter full of water.

Where the wind is worst

Exposure varies a lot across our service area. Whatever the site, we install one consistent warm white C9 bulb rather than mixing types. Whidbey Island, Birch Bay and Blaine, the Stanwood and Camano flats, and anything on the Bellingham waterfront take real gusts off the water. Inland Skagit and Snohomish valley homes get far less. We build clip density to the site, not to a standard spacing. Anacortes and the Fidalgo shoreline sit in the same exposed category.

Gutters, while we are up there

A gutter packed with fir needles holds water against your fascia all winter, and it is also where clipped light runs sit. Here is how to hang lights without damaging your roof or gutters. If your gutters have not been cleared before the lights go up, that is the order to do it in. On the wooded lots around Freeland that is a conversation we have every season.