April weather forecastNiantic, IL
April
Weather in April
April is a comfortable spring month in Niantic, Illinois, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 62.2°F (16.8°C).Temperature
Observing a rise in April, the average high-temperature goes from March's fresh 50°F (10°C) to a comfortable 62.2°F (16.8°C). The average low-temperature of 45.9°F (7.7°C) is witnessed during April.Humidity
The average relative humidity in April is 74%.Rainfall
In Niantic, in April, during 14.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Niantic, during the entire year, the rain falls for 141.8 days and collects up to 22.24" (565mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Niantic aggregates 0.2" (5mm) of snow. Throughout the year, there are 29.7 snowfall days, and 7.13" (181mm) of snow is accumulated.Daylight
In Niantic, the average length of the day in April is 13h and 17min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:21 pm. On the last day of April, sunrise is at 5:57 am and sunset at 7:50 pm CDT.
Sunshine
The average sunshine in April is 8h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In April, the maximum UV index of 4 suggests these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Niantic, IL
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 45.9°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in April
Niantic, 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
Niantic, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Niantic, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Niantic, IL
- Average rainfall in April: 2.44"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in April
Niantic, IL
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in April
Niantic, IL
- Average snowfall in April: 0.2"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Niantic, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Niantic, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Niantic, IL
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Niantic, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Niantic, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and September (Cloud cover 31).
Average visibility in April
Niantic, 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).





