May weather forecastFulton, SD
May
Weather in May
The last month of the spring, May, is an agreeable month in Fulton, South Dakota, with an average temperature fluctuating between 50°F (10°C) and 68.4°F (20.2°C).Temperature
In Fulton, the onset of May comes with an increased average high-temperature, moving from April's refreshing 56.8°F (13.8°C) to a pleasant 68.4°F (20.2°C). An average low-temperature of 50°F (10°C) is recorded during the nights in May in Fulton, South Dakota.Humidity
In Fulton, South Dakota, the average relative humidity in May is 69%.Rainfall
May is the month with the most rainfall. Rain falls for 13.5 days and accumulates 1.65" (42mm) of precipitation.Snowfall
In Fulton, snow does not fall in May through September.Daylight
In Fulton, the average length of the day in May is 14h and 45min.On the first day of May in Fulton, South Dakota, sunrise is at 6:22 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 9:05 pm CDT.
Sunshine
In Fulton, the average sunshine in May is 9h.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 unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. 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. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fulton, SD
- Average high temperature in May: 68.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in May
Fulton, 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
Fulton, SD
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in May
Fulton, SD
- Average humidity in May: 69%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in May
Fulton, SD
- Average rainfall in May: 1.65"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and November (0.28").
Average rainfall days in May
Fulton, SD
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in May
Fulton, SD
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Fulton, SD
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fulton, SD
- Average daylight in May: 14h and 42min
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 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Fulton, SD
- Average sunshine days in May: 14 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in May
Fulton, 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 January (UV index 1).
Average cloud cover in May
Fulton, SD
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in May
Fulton, 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).
