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
The onset of May in Lemmon, South Dakota, brings a rise in the average high-temperature, elevating from a cool 52.3°F (11.3°C) in April to an enjoyable 64.9°F (18.3°C). In May, the average low-temperature records at a chilly 46.2°F (7.9°C) during the nights.Humidity
The average relative humidity in May in Lemmon is 62%.Rainfall
In May, the rain falls for 13.8 days. Throughout May, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 101.3 rainfall days, and 14.25" (362mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Lemmon. During 1.4 snowfall days, in May, Lemmon aggregates 1.34" (34mm) of snow. Throughout the year, in Lemmon, there are 65.8 snowfall days, and 21.42" (544mm) of snow is accumulated.Daylight
In May, the average length of the day in Lemmon is 14h and 58min.On the first day of the month, sunrise is at 5:34 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:01 am and sunset at 8:31 pm MDT.
Sunshine
In Lemmon, the average sunshine in May is 9.6h.UV index
The average daily maximum UV index in May in Lemmon is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What are the temperatures in Lemmon in May?
What is the average humidity in May in Lemmon?
How many days does it rain in May in Lemmon?
What is the last month it snows in Lemmon?
What is the average length of the day in May in Lemmon?
When is the sunrise / sunset in May in Lemmon?
How many hours of sunshine does Lemmon have in May?
What is the UV index reading in May in Lemmon?
Average temperature in May
Lemmon, SD
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 46.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in May
Lemmon, SD
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Lemmon, SD
- Average wind speed in May: 11mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in May
Lemmon, 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 (51%).
Average rainfall in May
Lemmon, SD
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Lemmon, SD
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in May
Lemmon, SD
- Average snowfall in May: 1.34"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lemmon, SD
- Average snowfall days in May: 1.4 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lemmon, SD
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Lemmon, SD
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in May
Lemmon, SD
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Lemmon, SD
- Average cloud cover in May: 36
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in May
Lemmon, 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).
Lemmon, South Dakota, USA
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