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
A rise in the average high-temperature is observed during April, moving from a chilly 47.8°F (8.8°C) in March to a mild 59.7°F (15.4°C). In the month of April, an average of 43.9°F (6.6°C) marks the low-temperature.Humidity
In Gridley, the average relative humidity in April is 74%.Rainfall
In April, in Gridley, the rain falls for 13.2 days. Throughout April, 2.17" (55mm) of precipitation is accumulated. In Gridley, during the entire year, the rain falls for 131.6 days and collects up to 18.86" (479mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.7 snowfall days, in April, Gridley aggregates 0.98" (25mm) of snow. Throughout the year, in Gridley, Illinois, there are 30.1 snowfall days, and 9.17" (233mm) of snow is accumulated.Daylight
In Gridley, the average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:20 pm. On the last day of April, in Gridley, Illinois, sunrise is at 5:54 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in April in Gridley is 8h.UV index
In April, the average daily maximum UV index in Gridley, Illinois, is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 in April translates into this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the usual temperature for Gridley in April?
What is the average humidity in April in Gridley?
How much does it rain in Gridley in April?
What is the last month it snows in Gridley?
What is the average length of the day in April in Gridley?
When are sunrise and sunset in April in Gridley?
How long on average sun shines in April in Gridley?
What is the UV index intensity in April in Gridley?
Average temperature in April
Gridley, 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 (30.4°F).
- Average low temperature in April: 43.9°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
Gridley, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Gridley, IL
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Gridley, 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
Gridley, IL
- Average rainfall in April: 2.17"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in April
Gridley, IL
- Average rainfall days in April: 13.2 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in April
Gridley, IL
- Average snowfall in April: 0.98"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Gridley, IL
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (10.6 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
Gridley, IL
- Average daylight in April: 13h and 2min
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 18min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Gridley, IL
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in April
Gridley, 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 December (UV index 1).
Average cloud cover in April
Gridley, IL
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in April
Gridley, 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).
Gridley, Illinois, USA
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