Can You Paint a Car on Rainy Days?

[Amanda]

No, rainy days have a certain impact on car painting. Here are the precautions for car painting: 1. Check the spraying pressure: Before spraying, you must first check whether the spraying pressure is normal and ensure the filtration system is clean. 2. Inspect the painting tools: Check the air compressor and oil paint waterproof micro-dust separator to keep the paint hose clean. 3. Maintain the cleanliness of the paint booth: Only spraying and baking processes can be carried out in the paint booth. The door of the paint booth can only be opened when the vehicle enters or exits. When opening the door, the air circulation system during spraying must be activated to create positive pressure, ensuring that dust outside the booth cannot enter.

[RhettFitz]

Painting in rainy weather is usually not ideal, and I've seen many cases over the years. Rain and high humidity can prevent the paint from drying properly, leading to bubbling or a foggy, uneven finish. When humidity is too high, the chemical reactions between paint molecules slow down, making it difficult to achieve proper adhesion. If you absolutely must paint on a rainy day, ensure you have a dry indoor environment, like a garage, and use drying equipment to speed up the process. Even then, the results may be subpar—it's best to wait a few days after the rain stops. Additionally, paint fumes linger longer in humid conditions, which can be harmful if ventilation is poor. Car surfaces are particularly sensitive; painting in damp conditions can lead to peeling later on, making repairs more costly and time-consuming. Unless it's absolutely necessary, I recommend avoiding rainy days for painting.

[ElianaRose]

I've been into car modifications for several years. Last year, I tried painting my car doors on a rainy day, and the result was disastrous! After the paint dried, there were watermarks and bubbles, with an uneven surface that looked nothing like new. I've learned my lesson now—I always check the weather forecast before painting. If the humidity is over 70%, it's not worth the risk. The moisture in the rain can seep in, damaging the paint layer's structure and prolonging the drying time by several times. It's best to find a dry shed or indoor space to do the job, or simply wait for a sunny day. This isn't something to rush—saving time now might cost you later, as you'll have to sand and repaint, wasting materials. Painting isn't something to take lightly; environmental factors have a huge impact. On rainy days, air movement is slower, and fewer particles disperse, affecting overall uniformity. Safety is also a concern—painting in humid conditions means inhaling harmful gases for longer, which isn't good for your health.

[BraydenDella]

I've been running a repair shop for over a decade, and I absolutely don't recommend painting on rainy days. High humidity causes the paint to wrinkle and bubble, making it difficult to adhere to the surface and prone to peeling. Lower temperatures make the situation even worse, slowing down the drying process and significantly reducing quality. You also have to guard against rainwater splashing and contaminating the wet paint, causing imperfections everywhere. Automotive painting requires extra caution, as moisture can accelerate corrosion on metal substrates, affecting longevity over time. It's better to wait for clear weather or move indoors with proper drying lamps for the job. This isn't just about quality—painting in the rain is unsafe, with chemical fumes lingering and posing respiratory health risks.

[StLaila]

I often encounter this issue when doing DIY car repairs at home. Painting on rainy days is really unreliable. When the humidity is high, the paint dries very slowly, the surface is never smooth, and small water droplet spots may appear. I later learned a trick: if you must spray, first move the car under a canopy to ensure a dry area, then immediately turn on a fan or heater to help dry after spraying. But you also have to consider the temperature—below 15°C, the effect is even worse. Poor paint quality can cause the paint layer to peel easily, doubling repair costs, so it's better to patiently wait for a sunny day. Remember to check the hygrometer; if it's over 60%, don't proceed. Also, health-wise, avoid inhaling too much mist.