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 arrival coincides with a temperature rise, moving from April's comfortable 64.2°F (17.9°C) to a warm 73.9°F (23.3°C). In May, Dundas's temperature tends to fall to an average low of 57.9°F (14.4°C) during the night.Humidity
The average relative humidity in May in Dundas is 80%.Rainfall
In Dundas, Illinois, in May, it is raining for 17.1 days, with typically 2.99" (76mm) of accumulated precipitation. In Dundas, during the entire year, the rain falls for 152.3 days and collects up to 27.99" (711mm) of precipitation.Snowfall
May through October are months without snowfall in Dundas.Daylight
In May, the average length of the day is 14h and 19min.On the first day of the month, sunrise is at 5:53 am and sunset at 7:45 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:11 pm CDT.
Sunshine
In May, the average sunshine is 9.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in May in Dundas?
What is the average humidity in May in Dundas?
How many days does it rain in May in Dundas?
When it does not snow in Dundas?
Does it snow in Dundas in May?
How many hours of daylight does Dundas have in May?
What time are sunrise and sunset in May in Dundas?
How many hours of sunshine does Dundas have in May?
What are the months with the highest UV index in Dundas?
How high is the UV index in May in Dundas?
Average temperature in May
Dundas, IL
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 57.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in May
Dundas, IL
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Dundas, IL
- Average wind speed in May: 8.3mph
The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in May
Dundas, IL
- Average humidity in May: 80%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in May
Dundas, IL
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Dundas, IL
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Dundas, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Dundas, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.9 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
Dundas, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Dundas, IL
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in May
Dundas, IL
- Average UV index in May: 6
The months with the highest UV index are May, 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
Dundas, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Dundas, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Dundas, Illinois, USA
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