Van Alstyne is a small city located in Grayson and Collin counties in Texas. It experiences a humid subtropical climate, characterized by hot summers and mild winters. Average high temperatures range from the mid-90s°F (mid-30s°C) in the summer to the mid-50s°F (around 10°C) in the winter. Precipitation is evenly distributed throughout the year, with an average annual rainfall of around 40 inches.

The city is situated near the Sister Grove Creek and Pecan Creek, which are part of the hydrology constituents in the area. These creeks provide scenic views and recreational opportunities for nature enthusiasts and anglers.

Outdoor recreation opportunities in Van Alstyne include parks and trails. Grayson County College Nature Trail offers a peaceful walking path with beautiful flora and fauna. Heritage Park features a playground, pavilion, and picnic areas for families to enjoy. Van Alstyne City Park offers sports fields, a pool, and a fishing pond. Nearby Lake Texoma, located just 30 minutes away, provides additional opportunities for boating, fishing, and swimming.

Overall, Van Alstyne offers a pleasant climate, access to waterways, and various outdoor recreation options for residents and visitors to enjoy.