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
With the arrival of May, the average high-temperature transitions from a fresh 51.8°F (11°C) in April to a comfortable 65.7°F (18.7°C). Throughout May nights, Amherst experiences a consistent temperature average of 48.2°F (9°C).Humidity
In Amherst, the average relative humidity in May is 66%.Rainfall
In May, in Amherst, the rain falls for 15.2 days. Throughout May, 2.52" (64mm) of precipitation is accumulated. Throughout the year, in Amherst, there are 109.5 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Amherst. May is the last month it regularly snows in Amherst, South Dakota. During 0.4 snowfall days, in May, Amherst aggregates 0.24" (6mm) of snow. Throughout the year, in Amherst, there are 68.5 snowfall days, and 22.83" (580mm) of snow is accumulated.Daylight
The average length of the day in May in Amherst, South Dakota, is 14h and 57min.On the first day of May, sunrise is at 6:17 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 9:13 pm CDT.
Sunshine
In Amherst, the average sunshine in May is 9h.UV index
In Amherst, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during May morphs into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are May temperatures in Amherst?
What is the average humidity in May in Amherst?
How much does it rain in Amherst in May?
What is the last month it snows in Amherst?
How many hours of daylight does Amherst have in May?
When is the sunrise / sunset in May in Amherst?
How many hours of sunshine does Amherst have in May?
How high is the UV index in May in Amherst?
Average temperature in May
Amherst, SD
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in May: 48.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in May
Amherst, SD
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in May
Amherst, SD
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in May
Amherst, SD
- Average humidity in May: 66%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are August and September (62%).
Average rainfall in May
Amherst, SD
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in May
Amherst, SD
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in May
Amherst, SD
- Average snowfall in May: 0.24"
The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Amherst, SD
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Amherst, 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 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Amherst, SD
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Amherst, 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 November (UV index 1).
Average cloud cover in May
Amherst, SD
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in May
Amherst, SD
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Amherst, South Dakota, USA
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