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
Siren's April weather shows an increase in high-temperatures, moving from March's wintry 36.9°F (2.7°C) to a cool 50.4°F (10.2°C). Siren in April experiences a low-temperature average of 34.3°F (1.3°C).Humidity
April and May, with an average relative humidity of 74%, are the least humid months.Rainfall
In April, the rain falls for 13.1 days. Throughout April, 2.17" (55mm) of precipitation is accumulated. In Siren, during the entire year, the rain falls for 124.6 days and collects up to 21.65" (550mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Siren. In Siren, during April, snow falls for 5.9 days and regularly aggregates up to 2.83" (72mm) of snow. In Siren, Wisconsin, during the entire year, snow falls for 70.6 days and aggregates up to 23.9" (607mm) of snow.Daylight
In April, the average length of the day 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
The average sunshine in April is 7h.UV index
In Siren, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What are the least humid months?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Siren have in April?
What is the UV index reading in April in Siren?
Average temperature in April
Siren, WI
- Average high temperature in April: 50.4°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in April: 34.3°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in April
Siren, 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
Siren, WI
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in April
Siren, WI
- Average humidity in April: 74%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in April
Siren, WI
- Average rainfall in April: 2.17"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Siren, WI
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in April
Siren, WI
- Average snowfall in April: 2.83"
The month with the highest snowfall is December (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Siren, WI
- Average snowfall days in April: 5.9 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Siren, 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 42min).
- Average sunshine in April: 7h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in April
Siren, WI
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in April
Siren, 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
Siren, WI
- Average cloud cover in April: 53
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Siren, WI
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Siren, Wisconsin, USA
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