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
Harrisburg sees an increase in the average high-temperature with the arrival of May, moving from April's moderate 56.7°F (13.7°C) to a pleasant 68.5°F (20.3°C). In the month of May, the average temperature dips to a cool 50.7°F (10.4°C) during the night.Humidity
In Harrisburg, the average relative humidity in May is 69%.Rainfall
In May, in Harrisburg, the rain falls for 16.6 days. Throughout May, 3.07" (78mm) of precipitation is accumulated. In Harrisburg, during the entire year, the rain falls for 119.2 days and collects up to 21.73" (552mm) 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, Harrisburg aggregates 0.24" (6mm) of snow. In Harrisburg, during the entire year, snow falls for 40.5 days and aggregates up to 16.77" (426mm) of snow.Daylight
The average length of the day in May in Harrisburg is 14h and 43min.On the first day of the month, sunrise is at 6:18 am and sunset at 8:29 pm. On the last day of May, in Harrisburg, South Dakota, sunrise is at 5:48 am and sunset at 9:00 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average May temperature in Harrisburg?
What is the average humidity in May in Harrisburg?
How much does it rain in Harrisburg in May?
What is the last month it snows in Harrisburg?
What is the average length of the day in May in Harrisburg?
What time are sunrise and sunset in May in Harrisburg?
How many hours of sunshine does Harrisburg have in May?
How high is the UV index in May in Harrisburg?
Average temperature in May
Harrisburg, SD
- Average high temperature in May: 68.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in May
Harrisburg, SD
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Harrisburg, SD
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in May
Harrisburg, SD
- Average humidity in May: 69%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall in May
Harrisburg, SD
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is June (3.35").
The driest months (with the least rainfall) are January, February and November (0.67").
Average rainfall days in May
Harrisburg, SD
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in May
Harrisburg, SD
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Harrisburg, SD
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is December (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harrisburg, 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 5min
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 6min).
Average sunshine days in May
Harrisburg, SD
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in May
Harrisburg, 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, February, November and December (UV index 2).
Average cloud cover in May
Harrisburg, SD
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in May
Harrisburg, 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).
Harrisburg, South Dakota, USA
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