Alton weather in April (Illinois, United States of America)

How does the April weather in Alton compare to other months? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

Typically, April in Alton includes pleasant temperatures and high rainfall. In the daytime, temperatures tend to hover near 19°C, cooling down at night to around 8°C.

Precipitation

Alton in April usually receives high rainfall, averaging around 115 mm for the month. Since this is the rainiest month of the year, it's a good idea to carry an umbrella just in case. Historically, approximately 11 days this month are expected to have rain.

Average sunshine

The city usually sees around 225 hours of sunlight, indicating many sunny days.

In case you lean more towards enjoying temperate temperatures and rain-free days September and October typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Alton climate page with graphs.

 

Alton, monthly averages in April

Min Temperature 8°C  

Max Temperature 19°C  

Chance of Rain 36%  

Precipitation 115 mm  

Rainy days 11 days  

Humidity 63% *  

Sunshine 225 hours *  

Percentage Sunshine 56% *  

* Data from: St. Louis, the United States of America (29 KM, 18 Miles).

Where to go in the United States of America in April

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Alton, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

3/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Alton.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.