Pierre Weather in May
May in Pierre typically sees daytime highs of 21°C (70°F) and nighttime lows of 7°C (45°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Pierre in May
You can expect rain on around 12 days based on historical patterns, with 79 mm (3.1 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Pierre in May
May is one of the better months to visit Pierre. Expect 21°C (70°F) during the day and 7°C (45°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Pierre's climate page.
Pierre Temperature in May
Min Temperature
7°C (45°F)
Max Temperature
21°C (70°F)
Chance of Rain
39%
Precipitation
79 mm (3.1 in)
Rainy days
12 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Pierre typically rise from around 19°C (66°F) at the start of May to approximately 24°C (75°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 12°C (54°F).
Average temperatures in May
Historical weather for Pierre in May
Browse day-by-day weather records for Pierre spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Pierre historical weather extremes in May
Based on 50 years of weather observations in Pierre between 1976 and 2026, these are the recorded extremes.
- On May 19, 1992, temperatures climbed to 38°C (100°F), marking the warmest May day on record.
- The lowest overnight temperature recorded in May was -6°C (21°F) (May 3, 2013).
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
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What to Wear in Pierre in May
For Pierre in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.What To Do in Pierre in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Pierre's climate page.
See the full Pierre climate overview or explore weather in the United States of America.
