Typical Weather in Williston, ND in May
68° F Avg High
41° F Avg Low
5 Rainy Days
☀️ Temperature Summary
May is one of the warmer months of the year for Williston, with highs averaging around 68°F. Lows overnight are typically around 41°F. Temperatures will generally increase as the month goes on, with daily high temperatures ranging between 63°F and 73°F.
May is a great time to visit Williston, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In May you can expect close to a 16% chance of rain for any given day. It rains more than usual in May, with total rainfall for the month typically near 2 inches.
Rainfall Throughout the Year
Planning a trip to Williston? Try our free trip weather planner