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 temperature shift, with the average high-temperature escalating from an icy 40.6°F (4.8°C) in March to a cool 51.4°F (10.8°C). In Merton, April nights cool down to an average of 37°F (2.8°C).Humidity
April and October, with an average relative humidity of 77%, are the least humid months.Rainfall
In April, in Merton, the rain falls for 15.8 days. Throughout April, 3.15" (80mm) of precipitation is accumulated. In Merton, during the entire year, the rain falls for 149.2 days and collects up to 28.54" (725mm) of precipitation.Snowfall
Months with snowfall in Merton, Wisconsin, are January through May, October through December. In Merton, in April, snow falls for 3.1 days, with typically accumulated 1.61" (41mm) of snow. In Merton, during the entire year, snow falls for 58.7 days and aggregates up to 20.47" (520mm) of snow.Daylight
In Merton, the average length of the day in April is 13h and 26min.On the first day of April, sunrise is at 6:33 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:53 pm CDT.
Sunshine
The average sunshine in April in Merton is 7.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during April translates into the following guidance:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What is the usual temperature for Merton in April?
What are the least humid months in Merton?
What is the average humidity in April in Merton?
How much does it rain in Merton in April?
How much does it snow in Merton in April?
How many hours of daylight does Merton have in April?
When is the sunrise / sunset in April in Merton?
How many hours of sunshine does Merton have in April?
What is the UV index reading in April in Merton?
Average temperature in April
Merton, WI
- Average high temperature in April: 51.4°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 (25.2°F).
- Average low temperature in April: 37°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in April
Merton, WI
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Merton, WI
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in April
Merton, WI
- Average humidity in April: 77%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in April
Merton, WI
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in April
Merton, WI
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in April
Merton, WI
- Average snowfall in April: 1.61"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Merton, WI
- Average snowfall days in April: 3.1 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Merton, WI
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Merton, WI
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is November (15.9 days).
The months with the least sunshine days are June and July (10.3 days).
Average UV index in April
Merton, WI
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Merton, WI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
Merton, WI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Merton, Wisconsin, USA
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