April weather forecast
Ann Arbor, MI

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The vast University of Michigan Law School Campus in Ann Arbor, Michigan
The vast University of Michigan Law School Campus in Ann Arbor, Michigan

Weather in April

In April, Ann Arbor witnesses full-fledged spring with a mix of rainy and sunny days. The city's streets and parks come alive with colorful blossoms, reflecting the fresh energy April brings. More rainfall than any other month is no surprise as spring showers contribute to the blossoming greenery. As nighttime temperatures rise, it ushers in a warming trend where heavy winter attire starts to become obsolete. However, the most significant change this month is the sharp rise in high temperatures from 43°F (6.1°C) in March to 54.3°F (12.4°C) in April.

Temperature

The arrival of April brings a change in Ann Arbor's weather, with average high-temperatures moving from March's frosty 43°F (6.1°C) to a cool 54.3°F (12.4°C). Ann Arbor throughout April, experiences an average nighttime temperature of 38.3°F (3.5°C).

Humidity

With an average relative humidity of 76%, April is the least humid month in Ann Arbor.

Rainfall

In Ann Arbor, during April, the rain falls for 15.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, in Ann Arbor, there are 144.9 rainfall days, and 18.82" (478mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Ann Arbor. In Ann Arbor, in April, snow falls for 2 days, with typically accumulated 0.71" (18mm) of snow. Throughout the year, there are 45 snowfall days, and 9.69" (246mm) of snow is accumulated.

Daylight

In April, the average length of the day in Ann Arbor is 13h and 24min.
On the first day of the month, sunrise is at 7:15 am and sunset at 8:01 pm. On the last day of April, sunrise is at 6:30 am and sunset at 8:33 pm EDT.

Sunshine

The average sunshine in April is 7.1h.

UV index

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 ordinary individuals.
Note: The maximum UV index of 3 during April leads to these instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the temperature in April in Ann Arbor?

In April, the average high-temperature and low-temperature in Ann Arbor are 54.3°F (12.4°C) and 38.3°F (3.5°C) respectively.

What is the least humid month in Ann Arbor?

April is the least humid month in Ann Arbor, Michigan, with an average relative humidity of 76%.

What is the average humidity in April in Ann Arbor?

In Ann Arbor, the average relative humidity in April is 76%.

How much does it rain in Ann Arbor in April?

In Ann Arbor, Michigan, in April, during 15.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

How much does it snow in Ann Arbor in April?

In April, in Ann Arbor, it is snowing for 2 days. Throughout April, 0.71" (18mm) of snow is accumulated.

What is the average length of the day in April in Ann Arbor?

The average day length in April is 13h and 24min.

When is the sunrise / sunset in April in Ann Arbor?

In April, on the first day of the month, sunrise is at 7:15 am and sunset at 8:01 pm. On the last day of the month, in Ann Arbor, Michigan, sunrise is at 6:30 am and sunset at 8:33 pm EDT.

How long on average sun shines in April in Ann Arbor?

In April, the average sunshine duration in Ann Arbor is 7.1h.

How high is the UV index in April in Ann Arbor?

In Ann Arbor, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Ann Arbor, MI

Average temperature in April - Ann Arbor, MI
  • Average high temperature in April: 54.3°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in April: 38.3°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in April
Ann Arbor, MI

Average pressure in April - Ann Arbor, MI
  • Average pressure in April: 29.96"Hg

The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in April
Ann Arbor, MI

Average wind speed in April - Ann Arbor, MI
  • Average wind speed in April: 9.8mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in April
Ann Arbor, MI

Average humidity in April - Ann Arbor, MI
  • Average humidity in April: 76%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in April
Ann Arbor, MI

Average rainfall in April - Ann Arbor, MI
  • Average rainfall in April: 2.24"

The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.87").

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Average rainfall days in April
Ann Arbor, MI

Average rainfall days in April - Ann Arbor, MI
  • Average rainfall days in April: 15.5 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5.2 days).

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Average snowfall in April
Ann Arbor, MI

Average snowfall in April - Ann Arbor, MI
  • Average snowfall in April: 0.71"

The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Ann Arbor, MI

Average snowfall days in April - Ann Arbor, MI
  • Average snowfall days in April: 2 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Ann Arbor, MI

Average daylight in April / Average sunshine in April - Ann Arbor, MI
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in April: 7h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in April
Ann Arbor, MI

Average sunshine days in April - Ann Arbor, MI
  • Average sunshine days in April: 11.7 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in April
Ann Arbor, MI

Average UV index in April - Ann Arbor, MI
  • Average UV index in April: 3

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in April
Ann Arbor, MI

Average cloud cover in April - Ann Arbor, MI
  • Average cloud cover in April: 49

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in April
Ann Arbor, MI

Average visibility in April - Ann Arbor, MI
  • 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).

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Ann Arbor, Michigan, USA

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