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
April's arrival brings a change in high-temperatures, moving from a fresh 55°F (12.8°C) in March to a comfortable 66.4°F (19.1°C). In the month of April, the average temperature in Julien Hill dips to a chilly 48.7°F (9.3°C) during the night.Humidity
In April, the average relative humidity in Julien Hill is 77%.Rainfall
The month with the most rainfall in Julien Hill, Illinois, is April, when the rain falls for 16.6 days and typically aggregates up to 4.8" (122mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.6 snowfall days, in April, Julien Hill aggregates 0.16" (4mm) of snow. In Julien Hill, Illinois, during the entire year, snow falls for 17.5 days and aggregates up to 6.5" (165mm) of snow.Daylight
In Julien Hill, the average length of the day in April is 13h and 11min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:17 pm. On the last day of April, in Julien Hill, sunrise is at 5:58 am and sunset at 7:43 pm CDT.
Sunshine
The average sunshine in April in Julien Hill is 8.6h.UV index
The average daily maximum UV index in April in Julien Hill is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during April leads to these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are the temperatures in Julien Hill in April?
What is the average humidity in April in Julien Hill?
What is the rainiest month in Julien Hill?
How much does it rain in Julien Hill in April?
What is the last month it snows in Julien Hill?
What is the average length of the day in April in Julien Hill?
When are sunrise and sunset in April in Julien Hill?
How long on average sun shines in April in Julien Hill?
How high is the UV index in April in Julien Hill?
Average temperature in April
Julien Hill, IL
- Average high temperature in April: 66.4°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in April: 48.7°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 (26.2°F).
Average pressure in April
Julien Hill, IL
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in April
Julien Hill, IL
- Average wind speed in April: 9.3mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in April
Julien Hill, IL
- Average humidity in April: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Julien Hill, IL
- Average rainfall in April: 4.8"
The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in April
Julien Hill, IL
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in April
Julien Hill, IL
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Julien Hill, IL
- Average snowfall days in April: 0.6 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Julien Hill, IL
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in April
Julien Hill, IL
- Average sunshine days in April: 11.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in April
Julien Hill, 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 and December (UV index 2).
Average cloud cover in April
Julien Hill, IL
- Average cloud cover in April: 41
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in April
Julien Hill, 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).
Julien Hill, Illinois, USA
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