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
May's onset witnesses a shift in the average high-temperature, moving from a moderate 56.5°F (13.6°C) in April to a pleasant 68.7°F (20.4°C). During the month of May, an average low-temperature of 52.2°F (11.2°C) is recorded in Lombard.Humidity
The average relative humidity in May is 75%.Rainfall
May is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.07" (78mm) of precipitation.Snowfall
Months with snowfall in Lombard are January through May, October through December. May is the last month it regularly snows in Lombard. During 0.1 snowfall days, in May, Lombard aggregates 0.04" (1mm) of snow. In Lombard, Illinois, during the entire year, snow falls for 46.3 days and aggregates up to 14.25" (362mm) of snow.Daylight
The average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 5:47 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:20 pm CDT.
Sunshine
In Lombard, the average sunshine in May is 8.5h.UV index
In May, the average daily maximum UV index in Lombard is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the usual temperature for Lombard in May?
What is the average humidity in May in Lombard?
What is the wettest month in Lombard?
How many days does it rain in May in Lombard?
What is the last month it snows in Lombard?
What is the average length of the day in May in Lombard?
When are sunrise and sunset in May in Lombard?
How many hours of sunshine does Lombard have in May?
What is the UV index reading in May in Lombard?
Average temperature in May
Lombard, IL
- Average high temperature in May: 68.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in May: 52.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Lombard, 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
Lombard, IL
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Lombard, IL
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Lombard, IL
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in May
Lombard, IL
- Average rainfall days in May: 16.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in May
Lombard, IL
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Lombard, IL
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lombard, 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 months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Lombard, IL
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in May
Lombard, 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 and December (UV index 1).
Average cloud cover in May
Lombard, IL
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in May
Lombard, IL
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Lombard, Illinois, USA
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