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 signals an increase in the average high-temperature, moving from a refreshing 59.7°F (15.4°C) in April to an agreeable 71.6°F (22°C). In Strawn, an average nighttime temperature of 55°F (12.8°C) is expected during May.Humidity
The average relative humidity in May in Strawn, Illinois, is 76%.Rainfall
May is the month with the most rainfall. Rain falls for 17 days and accumulates 2.56" (65mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Strawn, the average length of the day in May is 14h and 28min.On the first day of May, sunrise is at 5:51 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:18 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
The average daily maximum UV index in May in Strawn, Illinois, is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are May temperatures in Strawn?
What is the average humidity in May in Strawn?
What is the wettest month in Strawn?
How many days does it rain in May in Strawn?
When it does not snow in Strawn?
Does it snow in Strawn in May?
What is the average length of the day in May in Strawn?
What time are sunrise and sunset in May in Strawn?
How many hours of sunshine does Strawn have in May?
What is the UV index intensity in May in Strawn?
Average temperature in May
Strawn, IL
- Average high temperature in May: 71.6°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 (30.6°F).
- Average low temperature in May: 55°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 (18.5°F).
Average pressure in May
Strawn, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Strawn, IL
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in May
Strawn, IL
- Average humidity in May: 76%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Strawn, IL
- Average rainfall in May: 2.56"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in May
Strawn, IL
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).
Average snowfall in May
Strawn, 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
Strawn, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.6 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
Strawn, IL
- Average daylight in May: 14h and 3min
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: 8h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in May
Strawn, IL
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in May
Strawn, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Strawn, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in May
Strawn, 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).
Strawn, Illinois, USA
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