April weather forecastEphraim, WI

April

Weather in April

April in Ephraim is marked by the full advent of spring. The weather continues to warm up a notch higher than March, beckoning the arrival of milder spring climate. The rainfalls significantly increase with this season shift, spiking at 2.56" (65mm). Notably, the snowfall decreases, paving the way for rainfall and slightly colder temperatures at night. Therefore, April embodies the true essence of spring, with frequent rain showers and rising temperatures.

Temperature

The start of April brings a subtle shift in the average high-temperature, edging up from March's 34°F (1.1°C) to a still wintry 41.7°F (5.4°C). Throughout the nights in April, Ephraim notes an average low of 35.1°F (1.7°C), a small dip from the daytime peak.

Humidity

The average relative humidity in April is 79%.

Rainfall

In Ephraim, in April, during 13.8 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 141.7 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Ephraim. In Ephraim, during April, snow falls for 4.3 days and regularly aggregates up to 1.1" (28mm) of snow. In Ephraim, Wisconsin, during the entire year, snow falls for 62.3 days and aggregates up to 15.83" (402mm) of snow.

Ocean temperature

The months with the coldest seawater are March and April, with an average ocean temperature of 35.6°F (2°C).
Note: In the case of swimming, this is seriously cold, dangerous, and can result in death. Without the safeguard of insulated waterproof attire, hypothermia manifests rapidly.

Daylight

In April, the average length of the day is 13h and 32min.
On the first day of April, sunrise is at 6:27 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:53 pm CDT.

Sunshine

The average sunshine in April is 7.8h.

UV index

In April, the average daily maximum UV index in Ephraim is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 2 in April transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in April, in Ephraim, is 41.7°F (5.4°C), while the average low-temperature is 35.1°F (1.7°C).

The average relative humidity in April is 79%.

In Ephraim, in April, during 13.8 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

In Ephraim, in April, during 4.3 snowfall days, 1.1" (28mm) of snow is typically accumulated.

March and April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater in Ephraim, Wisconsin.

In Ephraim, the average seawater temperature in April is 35.6°F (2°C). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

In Ephraim, the average day length in April is 13h and 32min.

In April, on the first day of the month, sunrise is at 6:27 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 7:53 pm CDT.

In April, the average sunshine duration in Ephraim is 7.8h.

In Ephraim, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

34°F

41.7°F

50°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.7mph

14mph

11.8mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

10.2

4.3

0.5

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

12.1

12.3

13.8

Average UV index

Average cloud cover

Average visibility

Average temperature in April
Ephraim, WI

Average high temperature in April: 41.7°F

The warmest month (with the highest average high temperature) is August (69.6°F).
The month with the lowest average high temperature is January (25.2°F).

Average low temperature in April: 35.1°F

The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in April
Ephraim, WI

Average pressure in April: 29.97"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in April
Ephraim, WI

Average wind speed in April: 13.2mph

The windiest month (with the highest average wind speed) is December (15.5mph).
The calmest months (with the lowest average wind speed) are June and July (9.6mph).

Average humidity in April
Ephraim, WI

Average humidity in April: 79%

The months with the highest relative humidity are January and June (84%).
The month with the lowest relative humidity is November (76%).

Average rainfall in April
Ephraim, WI

Average rainfall in April: 2.56"

The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are January and February (1.38").

Average rainfall days in April
Ephraim, WI

Average rainfall days in April: 13.8 days

The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in April
Ephraim, WI

Average snowfall in April: 1.1"

The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Ephraim, WI

Average snowfall days in April: 4.3 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in April
Ephraim, WI

Average sea temperature in April: 36°F

The best month for swimming (with the highest average sea temperature) is August (64°F).
The coldest months (with the lowest average sea temperature) are March and April (36°F).

Average daylight in April /
Average sunshine in April
Ephraim, WI

Average daylight in April: 13h and 30min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

Average sunshine in April: 7h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in April
Ephraim, WI

Average sunshine days in April: 12.3 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is January (8.3 days).

Average UV index in April
Ephraim, WI

Average UV index in April: 2

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).

Average cloud cover in April
Ephraim, WI

Average cloud cover in April: 49

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in April
Ephraim, WI

Average visibility in April: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).