The best time to go to Catterick Garrison is generally during the late spring and summer months, from May to September, for the most pleasant weather.During this period, you'll find warmer temperatures and longer daylight hours, making it ideal for exploring the surrounding Yorkshire Dales National Park and other outdoor attractions. The weather is typically more stable, though, as with anywhere in the UK, it's always wise to pack layers and be prepared for occasional rain showers.Families visiting Catterick Garrison often find these months particularly suitable. The milder weather makes day trips to nearby historical sites or nature reserves more enjoyable for everyone. For instance, a visit to Richmond Castle or a walk along the River Swale is much more comfortable when the weather is agreeable.