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
In Granite City, the average high-temperature in April rises, from a cool 54.1°F (12.3°C) in March, to a comfortable 65.1°F (18.4°C). The low-temperature average for Granite City during April stands at a frosty 48°F (8.9°C).Humidity
The average relative humidity in April in Granite City is 75%.Rainfall
In April, in Granite City, the rain falls for 16.1 days. Throughout April, 4.06" (103mm) of precipitation is accumulated. Throughout the year, in Granite City, there are 159.5 rainfall days, and 36.06" (916mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Granite City.Daylight
The average length of the day in April in Granite City is 13h and 14min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:24 pm. On the last day of April, in Granite City, sunrise is at 6:03 am and sunset at 7:52 pm CDT.
Sunshine
In Granite City, Illinois, the average sunshine in April is 8.6h.UV index
In Granite City, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during April leads to these advisories:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What are the temperatures in Granite City in April?
What is the average humidity in April in Granite City?
How much does it rain in Granite City in April?
When it does not snow in Granite City?
Does it snow in Granite City in April?
What is the average length of the day in April in Granite City?
What time are sunrise and sunset in April in Granite City?
How long on average sun shines in April in Granite City?
What is the UV index reading in April in Granite City?
Average temperature in April
Granite City, IL
- Average high temperature in April: 65.1°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in April: 48°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in April
Granite City, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Granite City, IL
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in April
Granite City, IL
- Average humidity in April: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Granite City, IL
- Average rainfall in April: 4.06"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in April
Granite City, IL
- Average rainfall days in April: 16.1 days
The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in April
Granite City, IL
- Average snowfall in April: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Granite City, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6.3 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
Granite City, IL
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Granite City, IL
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in April
Granite City, IL
- Average UV index in April: 4
The months with the highest UV index are May, 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
Granite City, IL
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in April
Granite City, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Granite City, Illinois, USA
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