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 transition from April to May brings a temperature rise, with average high-temperatures increasing from a comfortable 63.1°F (17.3°C) to an agreeable 72.9°F (22.7°C). May brings an average low-temperature of 56.5°F (13.6°C) to Sherman.Humidity
The average relative humidity in May is 77%.Rainfall
In Sherman, in May, it is raining for 17 days, with typically 2.09" (53mm) of accumulated precipitation. In Sherman, during the entire year, the rain falls for 131.5 days and collects up to 18.54" (471mm) of precipitation.Snowfall
In Sherman, snow does not fall in May through October.Daylight
In Sherman, the average length of the day in May is 14h and 24min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:20 pm CDT.
Sunshine
In Sherman, the average sunshine in May is 9.3h.UV index
In Sherman, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sherman in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow in Sherman?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Sherman, IL
- Average high temperature in May: 72.9°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 (33.1°F).
- Average low temperature in May: 56.5°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in May
Sherman, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Sherman, IL
- Average wind speed in May: 8.6mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
Sherman, IL
- Average humidity in May: 77%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Sherman, IL
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in May
Sherman, 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 (5.7 days).
Average snowfall in May
Sherman, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Sherman, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8 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
Sherman, IL
- Average daylight in May: 14h and 2min
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 24min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Sherman, IL
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in May
Sherman, 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
Sherman, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility in May
Sherman, 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).
Sherman, Illinois, USA
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