April weather forecastNilwood, IL
April
Weather in April
April is an enjoyable spring month in Nilwood, Illinois, with an average temperature ranging between max 63.5°F (17.5°C) and min 46.4°F (8°C).Temperature
The shift from March to April is marked by an increase in the average high-temperature, moving from a cool 52°F (11.1°C) to an enjoyable 63.5°F (17.5°C). An average low-temperature of 46.4°F (8°C) marks the month of April.Humidity
In Nilwood, the average relative humidity in April is 75%.Rainfall
In Nilwood, during April, the rain falls for 15.8 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Nilwood, during the entire year, the rain falls for 151.5 days and collects up to 31.3" (795mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Nilwood aggregates 0.04" (1mm) of snow. In Nilwood, Illinois, during the entire year, snow falls for 25.5 days and aggregates up to 9.09" (231mm) of snow.Daylight
The average length of the day in April in Nilwood is 13h and 16min.On the first day of April in Nilwood, sunrise is at 6:42 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in April is 8.3h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 4 in April leads to these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Nilwood, IL
- Average high temperature in April: 63.5°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 (34.2°F).
- Average low temperature in April: 46.4°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in April
Nilwood, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Nilwood, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in April
Nilwood, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Nilwood, IL
- Average rainfall in April: 3.58"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in April
Nilwood, IL
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in April
Nilwood, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Nilwood, IL
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is January (8.5 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
Nilwood, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Nilwood, IL
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in April
Nilwood, IL
- 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, November and December (UV index 2).
Average cloud cover in April
Nilwood, IL
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in April
Nilwood, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





