June begins the hot summer season in North Dakota, with bright sunshine and long days. The temperatures are comfortable during early summer with the average highs in the 74°F (23.3°C) to 79°F (26.1°C) range. Nights are mild and register in the zone of 50°F (10°C) to 56°F (13.3°C). The eastern region is a little wetter than the west with 3" (76mm) to 4" (102mm) of rainfall, statewide. Thunderstorms are frequent, and local flooding occurs throughout the state. Tornadoes inflict substantial damage occasionally. The daily sunshine lasts for a long 8 hours despite frequent interruptions of stormy weather. The state parks see the highest tourist footfall at the beginning of the summer. Strong winds are a prominent feature of North Dakota's climate. Summer is the time to go fishing and swimming in the rivers and lakes. Avoid the midday sun, whose intensity is at the highest in the summer. Expect the temperatures to rise gradually with each passing day in June in North Dakota.