May in Longview averages a daily high of 29.5°C with nights around 16.9°C. Expect roughly 7.3 wet days totalling 132.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Longview is March–April.
Based on LONGVIEW NUMBER 2, TX US (2.8km), 1995–2024. 20 years of May data.