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 arrival of May sees a shift in the average high-temperature, moving from a moderate 58.6°F (14.8°C) in April to an agreeable 70.3°F (21.3°C). Tiskilwa, during the nights of May, experiences an average temperature drop to a fresh 53.4°F (11.9°C).Humidity
In Tiskilwa, the average relative humidity in May is 77%.Rainfall
The month with the most rainfall in Tiskilwa is May, when the rain falls for 17 days and typically aggregates up to 2.91" (74mm) of precipitation.Snowfall
May through September are months without snowfall in Tiskilwa.Daylight
The average length of the day in May is 14h and 31min.On the first day of May in Tiskilwa, sunrise is at 5:54 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:24 pm CDT.
Sunshine
The average sunshine in May in Tiskilwa, Illinois, is 8.6h.UV index
In Tiskilwa, Illinois, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 5 in May suggests the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Tiskilwa in May?
What is the average humidity in May in Tiskilwa?
What is the rainiest month in Tiskilwa?
How many days does it rain in May in Tiskilwa?
When it does not snow in Tiskilwa?
Does it snow in Tiskilwa in May?
What is the average length of the day in May in Tiskilwa?
When are sunrise and sunset in May in Tiskilwa?
How many hours of sunshine does Tiskilwa have in May?
How high is the UV index in May in Tiskilwa?
Average temperature in May
Tiskilwa, IL
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 53.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in May
Tiskilwa, 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
Tiskilwa, IL
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Tiskilwa, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Tiskilwa, IL
- Average rainfall in May: 2.91"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in May
Tiskilwa, IL
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in May
Tiskilwa, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Tiskilwa, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Tiskilwa, IL
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Tiskilwa, IL
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in May
Tiskilwa, IL
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Tiskilwa, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Tiskilwa, 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).
Tiskilwa, Illinois, USA
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