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
The transition from March to April brings a temperature rise, with average high-temperatures increasing from a frosty 46.4°F (8°C) to a moderate 58.3°F (14.6°C). In the month of April, Prophetstown witnesses a consistent average low-temperature of 42.1°F (5.6°C).Humidity
The average relative humidity in April in Prophetstown is 74%.Rainfall
In Prophetstown, Illinois, in April, during 16.4 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. Throughout the year, in Prophetstown, Illinois, there are 151.5 rainfall days, and 30.24" (768mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Prophetstown. April is the last month it regularly snows. During 1.3 snowfall days, in April, Prophetstown aggregates 0.71" (18mm) of snow. In Prophetstown, Illinois, during the entire year, snow falls for 37.9 days and aggregates up to 15.83" (402mm) of snow.Daylight
The average length of the day in April is 13h and 22min.On the first day of April, sunrise is at 6:41 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:57 pm CDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
In April, the average daily maximum UV index in Prophetstown is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the maximum UV index of 4 suggests this advice:
Take precautions - Protection against skin and eye damage is obliged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the usual temperature for Prophetstown in April?
What is the average humidity in April in Prophetstown?
How much does it rain in Prophetstown in April?
What is the last month it snows in Prophetstown?
What is the average length of the day in April in Prophetstown?
When are sunrise and sunset in April in Prophetstown?
How long on average sun shines in April in Prophetstown?
What is the UV index reading in April in Prophetstown?
Average temperature in April
Prophetstown, IL
- Average high temperature in April: 58.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in April: 42.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in April
Prophetstown, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Prophetstown, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Prophetstown, IL
- Average humidity in April: 74%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Prophetstown, IL
- Average rainfall in April: 3.54"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in April
Prophetstown, IL
- Average rainfall days in April: 16.4 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in April
Prophetstown, IL
- Average snowfall in April: 0.71"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Prophetstown, IL
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (10.5 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
Prophetstown, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Prophetstown, IL
- Average sunshine days in April: 11.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in April
Prophetstown, IL
- Average UV index in April: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Prophetstown, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in April
Prophetstown, IL
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Prophetstown, Illinois, USA
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