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 onset of April marks an increase in the average high-temperature, moving from a wintry 36.9°F (2.7°C) in March to a frosty 49.6°F (9.8°C). Throughout the month of April, Lewis sees a steady low-temperature average of 34°F (1.1°C).Humidity
April and May, with an average relative humidity of 76%, are the least humid months.Rainfall
In Lewis, during April, the rain falls for 12.1 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Lewis, during the entire year, the rain falls for 122.5 days and collects up to 20.87" (530mm) of precipitation.Snowfall
Months with snowfall in Lewis, Wisconsin, are January through May, October through December. In April, it is snowing for 6.3 days. Throughout April, 2.95" (75mm) of snow is accumulated. In Lewis, during the entire year, snow falls for 79 days and aggregates up to 24.72" (628mm) of snow.Daylight
In Lewis, the average length of the day in April is 13h and 34min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:38 pm. On the last day of April, sunrise is at 5:57 am and sunset at 8:16 pm CDT.
Sunshine
In April, the average sunshine in Lewis is 6.6h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 during April translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Lewis in April?
What is the least humid month in Lewis?
What is the average humidity in April in Lewis?
How many days does it rain in April in Lewis?
How much does it snow in Lewis in April?
What is the average length of the day in April in Lewis?
What time are sunrise and sunset in April in Lewis?
How long on average sun shines in April in Lewis?
What is the UV index reading in April in Lewis?
Average temperature in April
Lewis, WI
- Average high temperature in April: 49.6°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (17.8°F).
- Average low temperature in April: 34°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in April
Lewis, WI
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Lewis, WI
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in April
Lewis, WI
- Average humidity in April: 76%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in April
Lewis, WI
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in April
Lewis, WI
- Average rainfall days in April: 12.1 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in April
Lewis, WI
- Average snowfall in April: 2.95"
The month with the highest snowfall is December (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Lewis, WI
- Average snowfall days in April: 6.3 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Lewis, WI
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 6h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in April
Lewis, WI
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in April
Lewis, WI
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Lewis, WI
- Average cloud cover in April: 55
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Lewis, WI
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Lewis, Wisconsin, USA
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