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 beginning of May signals a rise in the average high-temperature, moving from a cool 51.6°F (10.9°C) in April to an enjoyable 64.6°F (18.1°C). An average low-temperature of 46.9°F (8.3°C) marks the month of May.Humidity
In Florence, the average relative humidity in May is 71%.Rainfall
In Florence, in May, it is raining for 16.3 days, with typically 2.52" (64mm) of accumulated precipitation. In Florence, during the entire year, the rain falls for 112.3 days and collects up to 18.78" (477mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Florence. May is the last month it regularly snows. During 0.8 snowfall days, in May, Florence aggregates 0.12" (3mm) of snow. Throughout the year, in Florence, there are 64.3 snowfall days, and 17.56" (446mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 53min.On the first day of May, sunrise is at 6:17 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 9:08 pm CDT.
Sunshine
In Florence, the average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 5 in May translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Florence in May?
What is the average humidity in May in Florence?
How many days does it rain in May in Florence?
What is the last month it snows in Florence?
How many hours of daylight does Florence have in May?
When is the sunrise / sunset in May in Florence?
How long on average sun shines in May in Florence?
What is the UV index reading in May in Florence?
Average temperature in May
Florence, SD
- Average high temperature in May: 64.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.5°F).
Average pressure in May
Florence, 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
Florence, SD
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in May
Florence, SD
- Average humidity in May: 71%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are September and October (68%).
Average rainfall in May
Florence, SD
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is June (3.19").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in May
Florence, SD
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in May
Florence, SD
- Average snowfall in May: 0.12"
The months with the highest snowfall are January and December (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Florence, SD
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Florence, SD
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- 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: 3h and 36min).
Average sunshine days in May
Florence, SD
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Florence, 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
Florence, SD
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Florence, 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).
Florence, South Dakota, USA
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