The best time to go to Newton Aycliffe is during the warmer months, from late spring to early autumn, specifically May to September.During these months, the weather is generally mild and pleasant, making it ideal for exploring the local area and enjoying outdoor activities. You'll find longer daylight hours, which means more time to visit attractions like the Locomotion railway museum in Shildon or the nearby Raby Castle. The summer months, July and August, tend to be the warmest, with average temperatures around 18-20°C.For travellers who prefer to avoid the peak crowds and potentially higher prices of the summer holidays, late spring (May-June) and early autumn (September) are excellent choices. The weather is still agreeable, and you can enjoy the countryside and attractions with a more relaxed pace.