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 brings a rise in the average high-temperature, elevating from a mild 55.4°F (13°C) in April to an enjoyable 67.3°F (19.6°C). Salem observes an average nighttime low-temperature of 50°F (10°C) during the month of May.Humidity
In May, the average relative humidity in Salem is 69%.Rainfall
In Salem, in May, during 17.1 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Salem, South Dakota, during the entire year, the rain falls for 118.3 days and collects up to 22.76" (578mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Salem aggregates 0.24" (6mm) of snow. Throughout the year, in Salem, there are 45.4 snowfall days, and 19.33" (491mm) of snow is accumulated.Daylight
In Salem, the average length of the day in May is 14h and 45min.On the first day of May in Salem, sunrise is at 6:20 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 9:04 pm CDT.
Sunshine
The average sunshine in May in Salem is 8.7h.UV index
In Salem, South Dakota, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the usual temperature for Salem in May?
What is the average humidity in May in Salem?
How many days does it rain in May in Salem?
What is the last month it snows in Salem?
What is the average length of the day in May in Salem?
When are sunrise and sunset in May in Salem?
How many hours of sunshine does Salem have in May?
What is the UV index reading in May in Salem?
Average temperature in May
Salem, SD
- Average high temperature in May: 67.3°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in May: 50°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 (9.3°F).
Average pressure in May
Salem, 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
Salem, SD
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in May
Salem, SD
- Average humidity in May: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in May
Salem, SD
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in May
Salem, SD
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in May
Salem, SD
- Average snowfall in May: 0.24"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Salem, SD
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Salem, SD
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Salem, SD
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in May
Salem, 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
Salem, SD
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Salem, 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).
Salem, South Dakota, USA
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