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
Grantfork sees an increase in the average high-temperature with the arrival of April, moving from March's cool 53.4°F (11.9°C) to an enjoyable 64.2°F (17.9°C). Throughout the nights in April, Grantfork experiences an average low-temperature of 47.3°F (8.5°C).Humidity
The average relative humidity in April in Grantfork is 77%.Rainfall
In April, the rain falls for 12 days. Throughout April, 1.3" (33mm) of precipitation is accumulated. In Grantfork, Illinois, during the entire year, the rain falls for 110.6 days and collects up to 12.01" (305mm) of precipitation.Snowfall
In Grantfork, Illinois, snow does not fall in April through September.Daylight
The average length of the day in April in Grantfork is 13h and 14min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:22 pm. On the last day of April, in Grantfork, sunrise is at 6:01 am and sunset at 7:50 pm CDT.
Sunshine
In Grantfork, the average sunshine in April is 8.5h.UV index
In Grantfork, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Undertake protective steps - Preventing sun damage is advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are the temperatures in Grantfork in April?
What is the average humidity in April in Grantfork?
How many days does it rain in April in Grantfork?
When it does not snow in Grantfork?
Does it snow in Grantfork in April?
What is the average length of the day in April in Grantfork?
When is the sunrise / sunset in April in Grantfork?
How many hours of sunshine does Grantfork have in April?
What is the UV index intensity in April in Grantfork?
Average temperature in April
Grantfork, IL
- Average high temperature in April: 64.2°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in April: 47.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in April
Grantfork, 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
Grantfork, IL
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Grantfork, IL
- Average humidity in April: 77%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Grantfork, IL
- Average rainfall in April: 1.3"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in April
Grantfork, IL
- Average rainfall days in April: 12 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are January and December (5.9 days).
Average snowfall in April
Grantfork, IL
- Average snowfall in April: 0"
The month with the highest snowfall is December (0.94").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in April
Grantfork, IL
- Average snowfall days in April: 0.2 days
The months with the highest number of snowfall days are January and February (4.8 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
Grantfork, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in April
Grantfork, IL
- Average sunshine days in April: 16.2 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in April
Grantfork, 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
Grantfork, IL
- Average cloud cover in April: 42
The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).
Average visibility in April
Grantfork, 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).
Grantfork, Illinois, USA
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