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
Algonquin's weather shows a temperature rise with the arrival of May, moving from a cool 55°F (12.8°C) in April to a comfortable 67.1°F (19.5°C). In May, in Algonquin, the average low-temperature is a fresh 50°F (10°C).Humidity
In Algonquin, the average relative humidity in May is 79%.Rainfall
In May, the rain falls for 15 days. Throughout May, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 132.8 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
Months with snowfall in Algonquin, Illinois, are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Algonquin aggregates 0.08" (2mm) of snow. In Algonquin, during the entire year, snow falls for 43.2 days and aggregates up to 7.4" (188mm) of snow.Daylight
In Algonquin, the average length of the day in May is 14h and 36min.On the first day of the month, sunrise is at 5:47 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:22 pm CDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
In May, the average daily maximum UV index in Algonquin, Illinois, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To guard against the harmful effects of the Sun, minimize exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Algonquin?
What is the average humidity in May in Algonquin?
How much does it rain in Algonquin in May?
What is the last month it snows in Algonquin?
How many hours of daylight does Algonquin have in May?
What time are sunrise and sunset in May in Algonquin?
How long on average sun shines in May in Algonquin?
How high is the UV index in May in Algonquin?
Average temperature in May
Algonquin, IL
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in May
Algonquin, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Algonquin, IL
- Average wind speed in May: 8.2mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Algonquin, IL
- Average humidity in May: 79%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in May
Algonquin, IL
- Average rainfall in May: 1.85"
The wettest months (with the highest rainfall) are April and August (1.89").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in May
Algonquin, IL
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in May
Algonquin, IL
- Average snowfall in May: 0.08"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Algonquin, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Algonquin, IL
- Average daylight in May: 14h and 4min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Algonquin, IL
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in May
Algonquin, 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
Algonquin, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in May
Algonquin, IL
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Algonquin, Illinois, USA
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