April weather forecastBayfield, WI
April
Weather in April
With each passing day, April brings Bayfield closer to the glorious warmth of summer. The transition from winter to a milder spring is distinctly noticeable, and the rainfall rises to 2.2" (56mm) from 1.54" (39mm) recorded in March. The snow starts to yield, and signs of greening are quite apparent. Days are considerably longer, and the mounting hours of sunshine are a cheerful reminder of the clear skies ahead.Temperature
Bayfield's transition into April is marked by a rise in the average high-temperature, advancing from an icy 34.2°F (1.2°C) in March to a frosty 43.9°F (6.6°C). In April, Bayfield encounters an average low-temperature of 32.7°F (0.4°C) during the night.Humidity
The average relative humidity in April in Bayfield is 78%.Rainfall
In April, in Bayfield, the rain falls for 12.4 days. Throughout April, 2.2" (56mm) of precipitation is accumulated. In Bayfield, Wisconsin, during the entire year, the rain falls for 127.9 days and collects up to 22.56" (573mm) of precipitation.Snowfall
Months with snowfall in Bayfield are January through May, October through December. In April, it is snowing for 7.3 days. Throughout April, 3.39" (86mm) of snow is accumulated. In Bayfield, Wisconsin, during the entire year, snow falls for 95.5 days and aggregates up to 33.54" (852mm) of snow.Ocean temperature
February through April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater in Bayfield.Note: During swimming, this circumstance is both life-threatening and incredibly perilous. The intense cold sensation provokes rapid hyperventilation. The use of a specialized swimsuit is imperative to prevent thermal injuries.
Daylight
The average length of the day in April is 13h and 38min.On the first day of April in Bayfield, sunrise is at 6:40 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:12 pm CDT.
Sunshine
In Bayfield, the average sunshine in April is 7.2h.UV index
In Bayfield, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 in April translates into this advice:
Take precautions - Protection against sun damage is advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Bayfield, WI
- Average high temperature in April: 43.9°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in April: 32.7°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in April
Bayfield, WI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Bayfield, WI
- Average wind speed in April: 9.2mph
The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in April
Bayfield, WI
- Average humidity in April: 78%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in April
Bayfield, WI
- Average rainfall in April: 2.2"
The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days in April
Bayfield, WI
- Average rainfall days in April: 12.4 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in April
Bayfield, WI
- Average snowfall in April: 3.39"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Bayfield, WI
- Average snowfall days in April: 7.3 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in April
Bayfield, WI
- Average sea temperature in April: 36°F
The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).
Average daylight in April /
Average sunshine in April
Bayfield, WI
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 7h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in April
Bayfield, WI
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in April
Bayfield, 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, November and December (UV index 1).
Average cloud cover in April
Bayfield, WI
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Bayfield, WI
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
