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
The arrival of April brings a change in Bethalto's weather, with average high-temperatures moving from March's cool 53.4°F (11.9°C) to an enjoyable 64.4°F (18°C). Bethalto, during the month of April, experiences an average low-temperature of 46.9°F (8.3°C).Humidity
In Bethalto, the average relative humidity in April is 76%.Rainfall
In April, the rain falls for 13.4 days. Throughout April, 2.4" (61mm) of precipitation is accumulated. Throughout the year, in Bethalto, there are 138 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
Months with snowfall in Bethalto, Illinois, are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Bethalto aggregates 0.04" (1mm) of snow. In Bethalto, during the entire year, snow falls for 18.6 days and aggregates up to 4.53" (115mm) of snow.Daylight
The average length of the day in April in Bethalto is 13h and 15min.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 Bethalto, sunrise is at 6:02 am and sunset at 7:52 pm CDT.
Sunshine
In April, the average sunshine in Bethalto is 8.5h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Bethalto?
What is the average humidity in April in Bethalto?
How many days does it rain in April in Bethalto?
What is the last month it snows in Bethalto?
How many hours of daylight does Bethalto have in April?
When is the sunrise / sunset in April in Bethalto?
How many hours of sunshine does Bethalto have in April?
What is the UV index intensity in April in Bethalto?
Average temperature in April
Bethalto, IL
- Average high temperature in April: 64.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in April: 46.9°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 (23.4°F).
Average pressure in April
Bethalto, 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
Bethalto, IL
- Average wind speed in April: 9.3mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in April
Bethalto, IL
- Average humidity in April: 76%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Bethalto, IL
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in April
Bethalto, IL
- Average rainfall days in April: 13.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in April
Bethalto, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Bethalto, IL
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (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
Bethalto, IL
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
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 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in April
Bethalto, IL
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in April
Bethalto, 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
Bethalto, IL
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in April
Bethalto, 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).
Bethalto, Illinois, USA
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