May weather forecastFulton, IL
May
Weather in May
The last month of the spring, May, is a pleasant month in Fulton, Illinois, with an average temperature varying between 69.4°F (20.8°C) and 52.7°F (11.5°C).Temperature
The arrival of May signals an increase in the average high-temperature, moving from a refreshing 58.1°F (14.5°C) in April to an agreeable 69.4°F (20.8°C). Fulton in May anticipates an average nighttime temperature of 52.7°F (11.5°C).Humidity
The average relative humidity in May is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.9 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 34min.On the first day of May, sunrise is at 5:55 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:28 pm CDT.
Sunshine
In Fulton, 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 medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fulton, IL
- Average high temperature in May: 69.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in May
Fulton, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Fulton, IL
- Average wind speed in May: 8.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Fulton, IL
- Average humidity in May: 78%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Fulton, IL
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January and February (0.79").
Average rainfall days in May
Fulton, IL
- Average rainfall days in May: 16.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in May
Fulton, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Fulton, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Fulton, IL
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Fulton, IL
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in May
Fulton, IL
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Fulton, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Fulton, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
