April weather forecast
Frankfort, SD

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Weather in April

April in Frankfort, South Dakota, is a moderate spring month, with an average temperature ranging between min 37.4°F (3°C) and max 55.4°F (13°C).

Temperature

With the onset of April, the average high-temperature slightly shifts from March's cold 41.5°F (5.3°C) to a mild 55.4°F (13°C). Throughout April, Frankfort anticipates an average low-temperature of 37.4°F (3°C).

Humidity

The average relative humidity in April is 67%.

Rainfall

In Frankfort, in April, during 10.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 97.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Frankfort. April is the last month it regularly snows. During 3.3 snowfall days, in April, Frankfort aggregates 2.28" (58mm) of snow. In Frankfort, during the entire year, snow falls for 43.7 days and aggregates up to 18.66" (474mm) of snow.

Daylight

The average length of the day in April is 13h and 31min.
On the first day of April in Frankfort, sunrise is at 7:12 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 8:37 pm CDT.

Sunshine

The average sunshine in April is 7.8h.

UV index

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 4 during April translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Frankfort in April?

The high-temperature, in April, in Frankfort, records 55.4°F (13°C), while the low-temperature is 37.4°F (3°C).

What is the average humidity in April?

The average relative humidity in April is 67%.

How much does it rain in April?

In Frankfort, South Dakota, in April, it is raining for 10.6 days, with typically 1.61" (41mm) of accumulated precipitation.

What is the last month it snows?

April is the last month it regularly snows in Frankfort. During 3.3 snowfall days, in April, Frankfort aggregates 2.28" (58mm) of snow.

What is the average length of the day in April?

In Frankfort, the average day length in April is 13h and 31min.

When are sunrise and sunset in April?

On the first day of April, sunrise is at 7:12 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 8:37 pm CDT.

How long on average sun shines in April?

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

How high is the UV index in April?

The average daily maximum UV index in April is 4. 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
Frankfort, SD

Average temperature in April - Frankfort, SD
  • Average high temperature in April: 55.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in April: 37.4°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure in April
Frankfort, SD

Average pressure in April - Frankfort, SD
  • Average pressure in April: 29.94"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in April
Frankfort, SD

Average wind speed in April - Frankfort, SD
  • Average wind speed in April: 10.8mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

Average humidity in April
Frankfort, SD

Average humidity in April - Frankfort, SD
  • Average humidity in April: 67%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).

Average rainfall in April
Frankfort, SD

Average rainfall in April - Frankfort, SD
  • Average rainfall in April: 1.61"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in April
Frankfort, SD

Average rainfall days in April - Frankfort, SD
  • Average rainfall days in April: 10.6 days

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in April
Frankfort, SD

Average snowfall in April - Frankfort, SD
  • Average snowfall in April: 2.28"

The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Frankfort, SD

Average snowfall days in April - Frankfort, SD
  • Average snowfall days in April: 3.3 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Frankfort, SD

Average daylight in April / Average sunshine in April - Frankfort, SD
  • Average daylight in April: 13h and 3min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in April
Frankfort, SD

Average sunshine days in April - Frankfort, SD
  • Average sunshine days in April: 15 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12.2 days).

Average UV index in April
Frankfort, SD

Average UV index in April - Frankfort, SD
  • Average UV index in April: 4

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

Average cloud cover in April
Frankfort, SD

Average cloud cover in April - Frankfort, SD
  • Average cloud cover in April: 44

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 22).

Average visibility in April
Frankfort, SD

Average visibility in April - Frankfort, SD
  • 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).

Frankfort, South Dakota, USA

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