Sioux City Weather in June

During June, Sioux City experiences high daytime temperatures of 28°C (82°F) and cooler nights around 15°C (59°F). As the wettest month of the year, and part of the summer season, expect frequent rainfall.

Rainfall in Sioux City in June

Being the wettest month, having an umbrella on standby can help you avoid getting caught in the rain. You can typically expect 13 days of rain this month, averaging around 108 mm (4.3 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Sioux City in June

June in Sioux City brings typical temperatures with highs around 28°C (82°F) and lows of 15°C (59°F). Summer occurs in June. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

For Sioux City itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.