April weather forecast
Plymouth, IA

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Weather in April

April in Plymouth, Iowa, is a fresh spring month, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 54.9°F (12.7°C).

Temperature

The rise of average high-temperatures is seen in April, with an increase from an icy 41.5°F (5.3°C) in March to a cool 54.9°F (12.7°C). Throughout April, Plymouth witnesses a nighttime temperature average of 39.4°F (4.1°C).

Humidity

The average relative humidity in April is 72%.

Rainfall

In April, in Plymouth, the rain falls for 15 days. Throughout April, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 129.5 rainfall days, and 25.98" (660mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Plymouth. In Plymouth, Iowa, during April, snow falls for 2.4 days and regularly aggregates up to 2.2" (56mm) of snow. In Plymouth, during the entire year, snow falls for 50.1 days and aggregates up to 21.69" (551mm) of snow.

Daylight

In Plymouth, the average length of the day in April is 13h and 26min.
On the first day of April in Plymouth, sunrise is at 6:52 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:13 pm CDT.

Sunshine

The average sunshine in April is 7.5h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 3 during April translates into the following directions:
Adopt protective measures - It is advised to guard against sun damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What are April temperatures in Plymouth?

The average high-temperature and low-temperature during April are 54.9°F (12.7°C) and 39.4°F (4.1°C) respectively.

What is the average humidity in April in Plymouth?

In April, the average relative humidity is 72%.

How much does it rain in Plymouth in April?

In April, in Plymouth, Iowa, the rain falls for 15 days. Throughout April, 2.68" (68mm) of precipitation is accumulated.

How many days does it snow in April in Plymouth?

In Plymouth, in April, snow falls for 2.4 days, with typically accumulated 2.2" (56mm) of snow.

How many hours of daylight does Plymouth have in April?

The average day length in April in Plymouth is 13h and 26min.

When is the sunrise / sunset in April in Plymouth?

On the first day of April, sunrise is at 6:52 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:13 pm CDT.

How many hours of sunshine does Plymouth have in April?

The average sunshine duration in April is 7.5h.

How high is the UV index in April in Plymouth?

In Plymouth, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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
Plymouth, IA

Average temperature in April - Plymouth, IA
  • Average high temperature in April: 54.9°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in April: 39.4°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10°F).

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Average pressure in April
Plymouth, IA

Average pressure in April - Plymouth, IA
  • Average pressure in April: 29.93"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in April
Plymouth, IA

Average wind speed in April - Plymouth, IA
  • Average wind speed in April: 10.7mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average humidity in April
Plymouth, IA

Average humidity in April - Plymouth, IA
  • Average humidity in April: 72%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
Plymouth, IA

Average rainfall in April - Plymouth, IA
  • Average rainfall in April: 2.68"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in April
Plymouth, IA

Average rainfall days in April - Plymouth, IA
  • Average rainfall days in April: 15 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3 days).

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Average snowfall in April
Plymouth, IA

Average snowfall in April - Plymouth, IA
  • Average snowfall in April: 2.2"

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Plymouth, IA

Average snowfall days in April - Plymouth, IA
  • Average snowfall days in April: 2.4 days

The month with the highest number of snowfall days is January (12.7 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
Plymouth, IA

Average daylight in April / Average sunshine in April - Plymouth, IA
  • 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 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in April
Plymouth, IA

Average sunshine days in April - Plymouth, IA
  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in April
Plymouth, IA

Average UV index in April - Plymouth, IA
  • Average UV index in April: 3

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in April
Plymouth, IA

Average cloud cover in April - Plymouth, IA
  • Average cloud cover in April: 49

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in April
Plymouth, IA

Average visibility in April - Plymouth, IA
  • Average visibility in April: 6mi

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

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Plymouth, Iowa, USA

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