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
With the onset of April in Watertown, the average high-temperature slightly shifts from March's cold 41.4°F (5.2°C) to a cool 53.2°F (11.8°C). The average low-temperature in Watertown, Wisconsin, during April nights is a wintry 36.9°F (2.7°C).Humidity
The least humid month is April, with an average relative humidity of 76%.Rainfall
In Watertown, Wisconsin, in April, it is raining for 12.5 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Watertown, there are 113.9 rainfall days, and 11.57" (294mm) of precipitation is accumulated.Snowfall
Months with snowfall in Watertown are January through May, October through December. In Watertown, Wisconsin, during April, snow falls for 2.3 days and regularly aggregates up to 0.24" (6mm) of snow. Throughout the year, in Watertown, there are 45 snowfall days, and 5.51" (140mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 26min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:21 pm. On the last day of April, sunrise is at 5:48 am and sunset at 7:55 pm CDT.
Sunshine
In Watertown, the average sunshine in April is 7.3h.UV index
In Watertown, Wisconsin, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In April, a daily UV index of 3 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the temperature in April in Watertown?
What is the least humid month in Watertown?
What is the average humidity in April in Watertown?
How much does it rain in Watertown in April?
How many days does it snow in April in Watertown?
What is the average length of the day in April in Watertown?
When are sunrise and sunset in April in Watertown?
How long on average sun shines in April in Watertown?
What is the UV index intensity in April in Watertown?
Average temperature in April
Watertown, WI
- Average high temperature in April: 53.2°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in April
Watertown, WI
- Average pressure in April: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Watertown, WI
- Average wind speed in April: 10mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Watertown, WI
- Average humidity in April: 76%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Watertown, WI
- Average rainfall in April: 1.14"
The wettest month (with the highest rainfall) is July (1.54").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days in April
Watertown, WI
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3 days).
Average snowfall in April
Watertown, WI
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Watertown, WI
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Watertown, 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 0min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in April
Watertown, WI
- Average sunshine days in April: 15.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in April
Watertown, WI
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
Watertown, WI
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in April
Watertown, WI
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Watertown, Wisconsin, USA
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