The best time to go to Newton, Texas, for pleasant weather and outdoor activities is during the spring (March to May) and autumn (September to November) months.During spring, the weather is typically mild with comfortable temperatures, making it ideal for exploring the natural beauty of the surrounding Big Thicket National Preserve. You'll find blooming wildflowers and the conditions are great for hiking, birdwatching, and enjoying the numerous trails without the intense heat of summer.Autumn also offers agreeable weather with cooler temperatures and less humidity, which is excellent for outdoor excursions. The changing foliage can be quite scenic, and it's a good time for fishing or kayaking on the Sabine River.