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
With the onset of April, Sandwich's average high-temperature experiences a rise, moving from March's chilly 45.9°F (7.7°C) to a refreshing 57.4°F (14.1°C). April witnesses an average low-temperature hovering around an icy 41.2°F (5.1°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In Sandwich, in April, during 17.9 rainfall days, 4.02" (102mm) of precipitation is typically accumulated. Throughout the year, there are 168.3 rainfall days, and 35.47" (901mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Sandwich. During 1.8 snowfall days, in April, Sandwich aggregates 1.57" (40mm) of snow. In Sandwich, during the entire year, snow falls for 47.1 days and aggregates up to 16.61" (422mm) of snow.Daylight
In Sandwich, the average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 6:35 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:51 pm CDT.
Sunshine
In Sandwich, the average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Sandwich have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Sandwich, IL
- Average high temperature in April: 57.4°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in April
Sandwich, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Sandwich, IL
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Sandwich, IL
- Average humidity in April: 75%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Sandwich, IL
- Average rainfall in April: 4.02"
The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in April
Sandwich, IL
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in April
Sandwich, IL
- Average snowfall in April: 1.57"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Sandwich, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sandwich, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 4min
The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Sandwich, IL
- Average sunshine days in April: 9.4 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in April
Sandwich, IL
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Sandwich, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Sandwich, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Sandwich, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location