What if your ads could change in real-time based on what’s happening around your customers?
That’s exactly what Waitrose did in their latest Google Ads campaign, and the results were impressive. By using real-time weather data, they ensured their YouTube ads were highly relevant, engaging, and cost-effective.
This case study proves that smart automation and data-driven marketing can significantly improve ad performance. But how does it work, and what can your business learn from it?
The Challenge: Weather-Dependent Buying Behaviour
For supermarkets, seasonal and weather-related trends heavily impact sales.
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- When the sun’s out, BBQ food and summer drinks fly off the shelves.
- When it’s rainy, customers lean towards comfort food and warm meals.
Instead of running one-size-fits-all summer ads, Waitrose took a more strategic approach—leveraging real-time weather data to trigger ads tailored to the exact conditions in different UK locations.

The Strategy: Weather-Triggered YouTube Ads
Waitrose worked with Google’s YouTube Ads platform to create dynamic, location-based video ads that adapted to the real-time weather in different parts of the UK.
Here’s how it worked:
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- Sunny weather? Customers saw an ad featuring BBQ products, refreshing drinks, and summer snacks.
- Rainy weather? The ad switched to showcase warming meals, soups, and indoor dining ideas.
This hyper-relevant approach ensured that potential customers were seeing the right products at the right moment, making them far more likely to engage.
The Results: Increased Clicks & Lower Ad Costs
By using real-time data to tailor their messaging, Waitrose achieved:
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- 2x higher click-through rate – People engaged more with ads that matched their immediate needs.
- 26% lower cost per online sale – Ads reached the right people, making conversions more cost-effective.
- 7% lower cost per store visit – Smart targeting led to more foot traffic without extra ad spend.
Why This Matters for Your Business
Waitrose’s success wasn’t about having a massive budget or using fancy creatives—it was about relevance and timing.
Businesses in all industries can use real-time data to optimise their marketing, whether it’s:
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- Using search trends to tailor ad campaigns.
- Adjusting promotions based on stock levels or local demand.
- Running hyper-localised campaigns to target different demographics.
The lesson? Data-driven marketing helps businesses make smarter decisions, spend budgets more efficiently, and drive better results.

How You Can Apply This to Your Business
If you want to get started with smarter, more automated ad strategies, here’s what to do:
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- Use real-time triggers – Weather, search trends, or even customer location data can help you deliver ads at the right moment.
- Leverage AI & automation – Google’s ad tools can help automate and optimise campaigns for better efficiency.
- Track & refine performance – Continuously analyse your campaign data to fine-tune your targeting and messaging.
At All Aspect Media, we help businesses create high-performing, data-driven Google Ads campaigns that maximise every penny of ad spend.
Need help making your Google Ads work smarter, not harder? Let’s chat!
Get in touch today to see how we can help your business grow with data-driven advertising.
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