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
Hill City, South Dakota, sees a rise in temperature during May, with average high-temperatures transitioning from a cool 50.9°F (10.5°C) in April to a comfortable 61°F (16.1°C). In the month of May, an average of 42.4°F (5.8°C) marks the low-temperature.Humidity
The average relative humidity in May in Hill City, South Dakota, is 66%.Rainfall
In Hill City, South Dakota, in May, it is raining for 18.6 days, with typically 3.11" (79mm) of accumulated precipitation. In Hill City, during the entire year, the rain falls for 135.4 days and collects up to 20.39" (518mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows in Hill City. During 3.4 snowfall days, in May, Hill City aggregates 4.09" (104mm) of snow. Throughout the year, there are 75.1 snowfall days, and 40.24" (1022mm) of snow is accumulated.Daylight
In May, the average length of the day in Hill City is 14h and 46min.On the first day of May, sunrise is at 5:44 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:29 pm MDT.
Sunshine
The average sunshine in May in Hill City, South Dakota, is 10.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in May translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. When the Sun is at its strongest around midday, find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are the temperatures in Hill City in May?
What is the average humidity in May in Hill City?
How many days does it rain in May in Hill City?
What is the last month it snows in Hill City?
What is the average length of the day in May in Hill City?
When are sunrise and sunset in May in Hill City?
How long on average sun shines in May in Hill City?
What is the UV index reading in May in Hill City?
Average temperature in May
Hill City, SD
- Average high temperature in May: 61°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (29.8°F).
- Average low temperature in May: 42.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).
Average pressure in May
Hill City, SD
- Average pressure in May: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in May
Hill City, SD
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in May
Hill City, SD
- Average humidity in May: 66%
The months with the highest relative humidity are January and February (77%).
The months with the lowest relative humidity are August and September (52%).
Average rainfall in May
Hill City, SD
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in May
Hill City, SD
- Average rainfall days in May: 18.6 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (4.5 days).
Average snowfall in May
Hill City, SD
- Average snowfall in May: 4.09"
The month with the highest snowfall is April (7.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Hill City, SD
- Average snowfall days in May: 3.4 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 and August (0 days).
Average daylight in May /
Average sunshine in May
Hill City, SD
- Average daylight in May: 14h and 5min
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: 10h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).
Average sunshine days in May
Hill City, SD
- Average sunshine days in May: 7.8 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in May
Hill City, SD
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Hill City, SD
- Average cloud cover in May: 35
The month with the most cloud cover is April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Hill City, 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).
Hill City, South Dakota, USA
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