May weather forecastFiatt, IL
May
Weather in May
May, the last month of the spring in Fiatt, is an agreeable month, with an average temperature varying between 55°F (12.8°C) and 72°F (22.2°C).Temperature
The commencement of May sees a shift in the average high-temperature, moving from an enjoyable 61.3°F (16.3°C) in April to a pleasant 72°F (22.2°C). An average low-temperature of 55°F (12.8°C) marks the month of May in Fiatt.Humidity
In May, the average relative humidity in Fiatt is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 16.7 days and typically aggregates up to 3.23" (82mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 28min.On the first day of May in Fiatt, Illinois, sunrise is at 5:58 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:24 pm CDT.
Sunshine
The average sunshine in May is 9h.UV index
In May, the average daily maximum UV index in Fiatt is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Fiatt, IL
- Average high temperature in May: 72°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in May
Fiatt, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Fiatt, IL
- Average wind speed in May: 8.7mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in May
Fiatt, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Fiatt, IL
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days in May
Fiatt, IL
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in May
Fiatt, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Fiatt, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.4 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
Fiatt, IL
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Fiatt, IL
- Average sunshine days in May: 12.5 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in May
Fiatt, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Fiatt, IL
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in May
Fiatt, IL
- 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).
