April weather forecast
Frederick, SD

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Weather in April

April is a cool spring month in Frederick, South Dakota, with an average temperature ranging between min 35.2°F (1.8°C) and max 52.2°F (11.2°C).

Temperature

Frederick in April showcases a distinct temperature shift, moving from an average high of a wintry 37.6°F (3.1°C) in March to a fresh 52.2°F (11.2°C). Frederick records an average low-temperature of 35.2°F (1.8°C) throughout the month of April.

Humidity

In Frederick, the average relative humidity in April is 68%.

Rainfall

In April, the rain falls for 10.2 days. Throughout April, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 92.3 rainfall days, and 15.28" (388mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In April, in Frederick, it is snowing for 3.4 days. Throughout April, 1.81" (46mm) of snow is accumulated. Throughout the year, in Frederick, there are 54.6 snowfall days, and 15.04" (382mm) of snow is accumulated.

Daylight

In Frederick, South Dakota, the average length of the day in April is 13h and 34min.
On the first day of April, sunrise is at 7:12 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:40 pm CDT.

Sunshine

The average sunshine in April in Frederick is 7.4h.

UV index

In Frederick, South Dakota, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What are the temperatures in Frederick in April?

In Frederick, 52.2°F (11.2°C) is the average high-temperature and 35.2°F (1.8°C) is the average low-temperature during April.

What is the average humidity in April in Frederick?

The average relative humidity in April in Frederick is 68%.

How many days does it rain in April in Frederick?

In Frederick, in April, during 10.2 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

How many days does it snow in April in Frederick?

In Frederick, South Dakota, in April, during 3.4 snowfall days, 1.81" (46mm) of snow is typically accumulated.

What is the average length of the day in April in Frederick?

In Frederick, the average day length in April is 13h and 34min.

When are sunrise and sunset in April in Frederick?

In April, on the first day of the month, sunrise is at 7:12 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:40 pm CDT.

How long on average sun shines in April in Frederick?

In April, the average sunshine duration in Frederick, South Dakota, is 7.4h.

How high is the UV index in April in Frederick?

In Frederick, South Dakota, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Frederick, SD

Average temperature in April - Frederick, SD
  • Average high temperature in April: 52.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in April: 35.2°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure in April
Frederick, SD

Average pressure in April - Frederick, SD
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in April
Frederick, SD

Average wind speed in April - Frederick, SD
  • Average wind speed in April: 10.7mph

The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).

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Average humidity in April
Frederick, SD

Average humidity in April - Frederick, SD
  • Average humidity in April: 68%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).

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Average rainfall in April
Frederick, SD

Average rainfall in April - Frederick, SD
  • Average rainfall in April: 1.38"

The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in April
Frederick, SD

Average rainfall days in April - Frederick, SD
  • Average rainfall days in April: 10.2 days

The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).

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Average snowfall in April
Frederick, SD

Average snowfall in April - Frederick, SD
  • Average snowfall in April: 1.81"

The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Frederick, SD

Average snowfall days in April - Frederick, SD
  • Average snowfall days in April: 3.4 days

The month with the highest number of snowfall days is February (11.8 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
Frederick, SD

Average daylight in April / Average sunshine in April - Frederick, SD
  • 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 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in April
Frederick, SD

Average sunshine days in April - Frederick, SD
  • Average sunshine days in April: 15.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

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Average UV index in April
Frederick, SD

Average UV index in April - Frederick, SD
  • 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, November and December (UV index 1).

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Average cloud cover in April
Frederick, SD

Average cloud cover in April - Frederick, SD
  • Average cloud cover in April: 48

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in April
Frederick, SD

Average visibility in April - Frederick, SD
  • Average visibility in April: 6mi

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

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Frederick, South Dakota, USA

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