May weather forecast and climate
Pierre, SD

The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park, reflected in the waterfront
The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park, reflected in the waterfront
Average temperature in May - Pierre, SD
  • Average high temperature in May: 21°C

The warmest month (with the highest average high temperature) is July (32°C).
The month with the lowest average high temperature is January (-3°C).

  • Average low temperature in May: 7°C

The month with the highest average low temperature is July (17°C).
The coldest month (with the lowest average low temperature) is January (-14°C).

Average rainfall in May - Pierre, SD
  • Average rainfall in May: 63mm

The wettest month (with the highest rainfall) is June (72mm).
The driest month (with the lowest rainfall) is January (6mm).

Average rainfall days in May - Pierre, SD
  • Average rainfall days in May: 10 days

Months with the highest number of rainy days are May and June (10 days).
Months with the lowest number of rainy days are October and November (5 days).

Average daylight in May / Average sunshine in May - Pierre, SD
  • Average daylight in May: 14.8h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in May: 10h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are November and December (Average sunshine: 5).

Average UV index in May - Pierre, SD
  • Average UV index in May: 7

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).

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