May weather forecastWaverly, SD
May
Weather in May
The last month of the spring, May, is a refreshing month in Waverly, South Dakota, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 46.9°F (8.3°C).Temperature
The average high-temperature increases in May, moving from a fresh 51.6°F (10.9°C) in April to an enjoyable 64.6°F (18.1°C). May brings an average low-temperature of 46.9°F (8.3°C) to Waverly.Humidity
In May, the average relative humidity in Waverly is 71%.Rainfall
In Waverly, South Dakota, in May, it is raining for 16.3 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 112.3 rainfall days, and 18.78" (477mm) of precipitation is accumulated.Snowfall
Months with snowfall in Waverly are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, Waverly aggregates 0.12" (3mm) of snow. Throughout the year, there are 64.3 snowfall days, and 17.56" (446mm) of snow is accumulated.Daylight
In May, the average length of the day in Waverly is 14h and 52min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:34 pm. On the last day of May, in Waverly, sunrise is at 5:44 am and sunset at 9:07 pm CDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In Waverly, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In May, the maximum UV index of 5 suggests this advice:
Heed the precautions - It is counselled to guard against solar damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Waverly, SD
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in May
Waverly, 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
Waverly, SD
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in May
Waverly, SD
- Average humidity in May: 71%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in May
Waverly, SD
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in May
Waverly, SD
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in May
Waverly, SD
- Average snowfall in May: 0.12"
The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Waverly, SD
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Waverly, SD
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Waverly, SD
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Waverly, 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
Waverly, SD
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Waverly, 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).





