April weather forecast
Lower Brule, SD

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Weather in April

April is a moderate spring month in Lower Brule, South Dakota, with an average temperature ranging between min 38.3°F (3.5°C) and max 56.3°F (13.5°C).

Temperature

With the transition into April, Lower Brule experiences an increase in average high-temperatures, moving up from a chilly 45°F (7.2°C) in March to a mild 56.3°F (13.5°C). An average nighttime temperature of 38.3°F (3.5°C) is noted in Lower Brule during the month of April.

Humidity

In April, the average relative humidity in Lower Brule is 66%.

Rainfall

In April, the rain falls for 13.7 days. Throughout April, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Lower Brule, there are 107.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 3.4 snowfall days, in April, Lower Brule aggregates 1.89" (48mm) of snow. In Lower Brule, during the entire year, snow falls for 50.9 days and aggregates up to 17.87" (454mm) of snow.

Daylight

The average length of the day in April is 13h and 29min.
On the first day of April in Lower Brule, sunrise is at 7:17 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:41 pm CDT.

Sunshine

The average sunshine in April in Lower Brule is 7.9h.

UV index

In Lower Brule, South Dakota, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 4 in April transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Lower Brule in April?

Lower Brule in April has an average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 38.3°F (3.5°C).

What is the average humidity in April in Lower Brule?

The average relative humidity in April is 66%.

How many days does it rain in April in Lower Brule?

In April, in Lower Brule, the rain falls for 13.7 days. Throughout April, 1.89" (48mm) of precipitation is accumulated.

What is the last month it snows in Lower Brule?

April is the last month it regularly snows in Lower Brule. During 3.4 snowfall days, in April, Lower Brule aggregates 1.89" (48mm) of snow.

What is the average length of the day in April in Lower Brule?

The average day length in April is 13h and 29min.

When are sunrise and sunset in April in Lower Brule?

In April, on the first day of the month, sunrise is at 7:17 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:41 pm CDT.

How many hours of sunshine does Lower Brule have in April?

In April, the average sunshine duration is 7.9h.

How high is the UV index in April in Lower Brule?

In Lower Brule, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Lower Brule, SD

Average temperature in April - Lower Brule, SD
  • Average high temperature in April: 56.3°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in April: 38.3°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in April
Lower Brule, SD

Average pressure in April - Lower Brule, SD
  • Average pressure in April: 29.93"Hg

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

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Average wind speed in April
Lower Brule, SD

Average wind speed in April - Lower Brule, SD
  • Average wind speed in April: 11.3mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).

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Average humidity in April
Lower Brule, SD

Average humidity in April - Lower Brule, SD
  • Average humidity in April: 66%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).

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Average rainfall in April
Lower Brule, SD

Average rainfall in April - Lower Brule, SD
  • Average rainfall in April: 1.89"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").

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Average rainfall days in April
Lower Brule, SD

Average rainfall days in April - Lower Brule, SD
  • Average rainfall days in April: 13.7 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in April
Lower Brule, SD

Average snowfall in April - Lower Brule, SD
  • Average snowfall in April: 1.89"

The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Lower Brule, SD

Average snowfall days in April - Lower Brule, SD
  • Average snowfall days in April: 3.4 days

The months with the highest number of snowfall days are January and February (11.7 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
Lower Brule, SD

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

The month with the longest days is June (Average daylight: 15h and 24min).
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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in April
Lower Brule, SD

Average sunshine days in April - Lower Brule, SD
  • Average sunshine days in April: 11.8 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).

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Average UV index in April
Lower Brule, SD

Average UV index in April - Lower Brule, SD
  • Average UV index in April: 4

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

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Average cloud cover in April
Lower Brule, SD

Average cloud cover in April - Lower Brule, SD
  • Average cloud cover in April: 42

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in April
Lower Brule, SD

Average visibility in April - Lower Brule, 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).

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Lower Brule, South Dakota, USA

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