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
Hamill's transition into May is marked by a rise in the average high-temperature, advancing from a mild 56.7°F (13.7°C) in April to an enjoyable 67.8°F (19.9°C). In Hamill, May's nights observe an average temperature dip to a chilly 49.6°F (9.8°C).Humidity
The average relative humidity in May in Hamill is 65%.Rainfall
In Hamill, during May, the rain falls for 14.3 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Hamill, South Dakota. During 0.2 snowfall days, in May, Hamill aggregates 0.04" (1mm) of snow. In Hamill, South Dakota, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.Daylight
In May, the average length of the day in Hamill is 14h and 44min.On the first day of May in Hamill, sunrise is at 6:29 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 9:12 pm CDT.
Sunshine
In Hamill, the average sunshine in May is 9.4h.UV index
In Hamill, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 suggests this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What are the temperatures in Hamill in May?
What is the average humidity in May in Hamill?
How much does it rain in Hamill in May?
What is the last month it snows in Hamill?
What is the average length of the day in May in Hamill?
When are sunrise and sunset in May in Hamill?
How long on average sun shines in May in Hamill?
What is the UV index intensity in May in Hamill?
Average temperature in May
Hamill, SD
- Average high temperature in May: 67.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in May
Hamill, SD
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Hamill, SD
- Average wind speed in May: 11mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in May
Hamill, SD
- Average humidity in May: 65%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall in May
Hamill, SD
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Hamill, SD
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in May
Hamill, SD
- Average snowfall in May: 0.04"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hamill, SD
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hamill, 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: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in May
Hamill, SD
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in May
Hamill, SD
- Average UV index in May: 5
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
Hamill, SD
- Average cloud cover in May: 36
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in May
Hamill, 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).
Hamill, South Dakota, USA
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