April weather forecastAmboy, IL
April
Weather in April
April in Amboy, Illinois, is a mild spring month, with an average temperature ranging between min 41°F (5°C) and max 57.6°F (14.2°C).Temperature
April's onset is marked by a temperature increase, moving from a frosty 45.7°F (7.6°C) in March to a refreshing 57.6°F (14.2°C). Amboy records an average low of 41°F (5°C) throughout the nights in April.Humidity
The average relative humidity in April in Amboy is 75%.Rainfall
In Amboy, during April, the rain falls for 14.7 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, in Amboy, there are 129.4 rainfall days, and 16.65" (423mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.2 snowfall days, in April, Amboy aggregates 0.47" (12mm) of snow. In Amboy, Illinois, during the entire year, snow falls for 36.1 days and aggregates up to 6.97" (177mm) of snow.Daylight
The average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:23 pm. On the last day of April, in Amboy, sunrise is at 5:53 am and sunset at 7:54 pm CDT.
Sunshine
In Amboy, the average sunshine in April is 7.8h.UV index
The average daily maximum UV index in April in Amboy is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, a regular UV index of 3 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Amboy, IL
- Average high temperature in April: 57.6°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 (27.5°F).
- Average low temperature in April: 41°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
Amboy, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Amboy, IL
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Amboy, IL
- Average humidity in April: 75%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Amboy, IL
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in April
Amboy, IL
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in April
Amboy, IL
- Average snowfall in April: 0.47"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Amboy, IL
- Average snowfall days in April: 1.2 days
The month with the highest number of snowfall days is January (10.4 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
Amboy, IL
- Average daylight in April: 13h and 24min
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 48min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Amboy, IL
- Average sunshine days in April: 13.3 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in April
Amboy, IL
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Amboy, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in April
Amboy, 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).





