April weather forecastPontiac, IL
April
Weather in April
April in Pontiac, Illinois, is a refreshing spring month, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 59.7°F (15.4°C).Temperature
The arrival of April brings a change in Pontiac's weather, with average high-temperatures moving from March's frosty 47.5°F (8.6°C) to a refreshing 59.7°F (15.4°C). In the month of April, Pontiac experiences an average low-temperature of 43.7°F (6.5°C).Humidity
In Pontiac, the average relative humidity in April is 74%.Rainfall
In Pontiac, Illinois, during April, the rain falls for 13 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Pontiac, during the entire year, the rain falls for 125.3 days and collects up to 15.71" (399mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Pontiac aggregates 0.79" (20mm) of snow. In Pontiac, Illinois, during the entire year, snow falls for 30.6 days and aggregates up to 6.93" (176mm) of snow.Daylight
The average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of April, sunrise is at 5:52 am and sunset at 7:50 pm CDT.
Sunshine
The average sunshine in April in Pontiac is 7.9h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 4 in April translates into this advice:
Ensure safety - Recommendations to avert sunburn are presented. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Keep in mind! Snow's reflective quality can nearly 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
Pontiac, IL
- Average high temperature in April: 59.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in April: 43.7°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in April
Pontiac, 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 (29.92"Hg).
Average wind speed in April
Pontiac, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Pontiac, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Pontiac, IL
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in April
Pontiac, IL
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in April
Pontiac, IL
- Average snowfall in April: 0.79"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Pontiac, IL
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (10.2 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
Pontiac, IL
- Average daylight in April: 13h and 18min
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: 7h and 54min
The months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Pontiac, IL
- Average sunshine days in April: 14 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in April
Pontiac, IL
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Pontiac, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in April
Pontiac, 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).
