Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's arrival brings a change in high-temperatures, moving from a cool 53.1°F (11.7°C) in March to a refreshing 64.2°F (17.9°C). In the month of April, an average of 47.7°F (8.7°C) marks the low-temperature in Dundas.Humidity
In Dundas, the average relative humidity in April is 77%.Rainfall
April is the month with the most rainfall. Rain falls for 15.1 days and accumulates 4.09" (104mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Dundas aggregates 0.12" (3mm) of snow. In Dundas, during the entire year, snow falls for 20.3 days and aggregates up to 5.47" (139mm) of snow.Daylight
In Dundas, the average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:35 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:44 pm CDT.
Sunshine
In Dundas, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index in Dundas is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in April translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Dundas in April?
What is the average humidity in April?
What is the rainiest month?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Dundas have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Dundas have in April?
What is the UV index reading in April?
Average temperature in April
Dundas, IL
- Average high temperature in April: 64.2°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 April: 47.7°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 April
Dundas, IL
- Average pressure in April: 29.95"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 April
Dundas, IL
- Average wind speed in April: 9.9mph
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 April
Dundas, IL
- Average humidity in April: 77%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Dundas, IL
- Average rainfall in April: 4.09"
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 April
Dundas, IL
- Average rainfall days in April: 15.1 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 April
Dundas, IL
- Average snowfall in April: 0.12"
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 April
Dundas, IL
- Average snowfall days in April: 0.3 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 April /
Average sunshine in April
Dundas, IL
- Average daylight in April: 13h and 1min
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 April: 8h and 2min
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 April
Dundas, IL
- Average sunshine days in April: 12.6 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 April
Dundas, IL
- Average UV index in April: 4
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 April
Dundas, IL
- Average cloud cover in April: 42
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 April
Dundas, IL
- Average visibility in April: 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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