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
May's arrival brings a temperature shift, moving from a fresh 54.1°F (12.3°C) in April to a refreshing 66.4°F (19.1°C). During the month of May, the temperature in Oldham generally drops to a low average of 48.7°F (9.3°C).Humidity
In Oldham, the average relative humidity in May is 70%.Rainfall
In Oldham, South Dakota, during May, the rain falls for 16.3 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Oldham, during the entire year, the rain falls for 111.2 days and collects up to 21.14" (537mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Oldham, South Dakota. May is the last month it regularly snows. During 0.4 snowfall days, in May, Oldham aggregates 0.35" (9mm) of snow. In Oldham, during the entire year, snow falls for 49.4 days and aggregates up to 20.04" (509mm) of snow.Daylight
In May, the average length of the day in Oldham is 14h and 48min.On the first day of May, sunrise is at 6:18 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:05 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Oldham?
What is the average humidity in May in Oldham?
How much does it rain in Oldham in May?
What is the last month it snows in Oldham?
How many hours of daylight does Oldham have in May?
When are sunrise and sunset in May in Oldham?
How many hours of sunshine does Oldham have in May?
What is the UV index reading in May in Oldham?
Average temperature in May
Oldham, SD
- Average high temperature in May: 66.4°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in May
Oldham, SD
- Average pressure in May: 29.92"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Oldham, SD
- Average wind speed in May: 10.1mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in May
Oldham, SD
- Average humidity in May: 70%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Oldham, SD
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").
Average rainfall days in May
Oldham, SD
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in May
Oldham, SD
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Oldham, SD
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Oldham, 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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Oldham, SD
- Average sunshine days in May: 13.1 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in May
Oldham, SD
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Oldham, SD
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in May
Oldham, SD
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Oldham, South Dakota, USA
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