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, Saint Charles sees a temperature rise, with the average high-temperature moving from March's frosty 47.8°F (8.8°C) to a refreshing 59.7°F (15.4°C). In April, the recorded average low-temperature in Saint Charles is a wintry 42.3°F (5.7°C).Humidity
The average relative humidity in April is 73%.Rainfall
In Saint Charles, in April, it is raining for 14.7 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, there are 133 rainfall days, and 26.14" (664mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Saint Charles, during April, snow falls for 1.7 days and regularly aggregates up to 0.91" (23mm) of snow. Throughout the year, in Saint Charles, there are 35 snowfall days, and 15.04" (382mm) of snow is accumulated.Daylight
The average length of the day in April in Saint Charles is 13h and 21min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:40 pm. On the last day of April, in Saint Charles, sunrise is at 6:12 am and sunset at 8:11 pm CDT.
Sunshine
In Saint Charles, the average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index in Saint Charles is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 4 in April, converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the average April temperature in Saint Charles?
What is the average humidity in April in Saint Charles?
How many days does it rain in April in Saint Charles?
How many days does it snow in April in Saint Charles?
What is the average length of the day in April in Saint Charles?
What time are sunrise and sunset in April in Saint Charles?
How many hours of sunshine does Saint Charles have in April?
How high is the UV index in April in Saint Charles?
Average temperature in April
Saint Charles, IA
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in April: 42.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in April
Saint Charles, IA
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Saint Charles, IA
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in April
Saint Charles, IA
- Average humidity in April: 73%
The months with the highest relative humidity are January, February and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Saint Charles, IA
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in April
Saint Charles, IA
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is June (17.9 days).
The months with the least rainy days are January and February (3.8 days).
Average snowfall in April
Saint Charles, IA
- Average snowfall in April: 0.91"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Saint Charles, IA
- Average snowfall days in April: 1.7 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Saint Charles, IA
- 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 18min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Saint Charles, IA
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in April
Saint Charles, IA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in April
Saint Charles, IA
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in April
Saint Charles, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Saint Charles, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location
