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 witnesses an increase in the average high-temperature, moving from a chilly 49.6°F (9.8°C) in March to a refreshing 61.3°F (16.3°C). Lewistown experiences an average nighttime temperature of 44.2°F (6.8°C) in the month of April.Humidity
In April, the average relative humidity is 74%.Rainfall
In Lewistown, in April, during 13.7 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, in Lewistown, there are 131.7 rainfall days, and 22.48" (571mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Lewistown. April is the last month it regularly snows in Lewistown. During 1 snowfall days, in April, Lewistown aggregates 0.43" (11mm) of snow. In Lewistown, during the entire year, snow falls for 27.4 days and aggregates up to 9.21" (234mm) of snow.Daylight
In Lewistown, the average length of the day in April is 13h and 19min.On the first day of April in Lewistown, Illinois, sunrise is at 6:42 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:55 pm CDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
In Lewistown, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 during April translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the temperature in April in Lewistown?
What is the average humidity in April in Lewistown?
How much does it rain in Lewistown in April?
What is the last month it snows in Lewistown?
How many hours of daylight does Lewistown have in April?
What time are sunrise and sunset in April in Lewistown?
How long on average sun shines in April in Lewistown?
How high is the UV index in April in Lewistown?
Average temperature in April
Lewistown, IL
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in April
Lewistown, IL
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Lewistown, IL
- Average wind speed in April: 10.4mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in April
Lewistown, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Lewistown, IL
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days in April
Lewistown, IL
- Average rainfall days in April: 13.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in April
Lewistown, IL
- Average snowfall in April: 0.43"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Lewistown, IL
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (9.4 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
Lewistown, 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 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Lewistown, IL
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in April
Lewistown, IL
- Average UV index in April: 4
The months with the highest UV index are 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
Lewistown, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in April
Lewistown, 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).
Lewistown, Illinois, USA
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