Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Pierre in May shows a temperature shift, moving from an average high of a mild 56.1°F (13.4°C) in April to an agreeable 68°F (20°C). Throughout May, an average low-temperature of 49.6°F (9.8°C) is expected.Humidity
In May, the average relative humidity is 62%.Rainfall
The month with the most rainfall is May, when the rain falls for 13.6 days and typically aggregates up to 2.24" (57mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Pierre aggregates 0.08" (2mm) of snow. Throughout the year, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.Daylight
In May, the average length of the day in Pierre is 14h and 49min.On the first day of May in Pierre, sunrise is at 6:30 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 9:18 pm CDT.
Sunshine
In May, the average sunshine is 9.6h.UV index
In Pierre, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
What is the wettest month?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May in Pierre?
What is the UV index intensity in May?
Average temperature in May
Pierre, SD
- Average high temperature in May: 68°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in May
Pierre, SD
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Pierre, SD
- Average wind speed in May: 11.1mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are February and August (9.9mph).
Average humidity in May
Pierre, SD
- Average humidity in May: 62%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (52%).
Average rainfall in May
Pierre, SD
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in May
Pierre, SD
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in May
Pierre, SD
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Pierre, SD
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Pierre, SD
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Pierre, SD
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is June (13.7 days).
Average UV index in May
Pierre, SD
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in May
Pierre, SD
- Average cloud cover in May: 35
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in May
Pierre, SD
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Pierre, South Dakota, USA
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