April weather forecast
Tyndall, SD

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Weather in April

April in Tyndall, South Dakota, is a moderate spring month, with an average temperature varying between 39.7°F (4.3°C) and 57.6°F (14.2°C).

Temperature

April's arrival is marked by an increase in the average high-temperature, moving from a frosty 45.9°F (7.7°C) in March to a mild 57.6°F (14.2°C). The nights of April anticipate an average low-temperature of 39.7°F (4.3°C).

Humidity

In April, the average relative humidity in Tyndall is 67%.

Rainfall

In Tyndall, during April, the rain falls for 11.8 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Tyndall, there are 106.8 rainfall days, and 19.29" (490mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Tyndall are January through April, October through December. April is the last month it regularly snows in Tyndall. During 2.3 snowfall days, in April, Tyndall aggregates 1.3" (33mm) of snow. In Tyndall, during the entire year, snow falls for 33.1 days and aggregates up to 12.91" (328mm) of snow.

Daylight

In April, the average length of the day is 13h and 26min.
On the first day of April in Tyndall, sunrise is at 7:11 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:31 pm CDT.

Sunshine

The average sunshine in April is 8.1h.

UV index

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In April, the maximum UV index of 4 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Tyndall in April?

April temperatures in Tyndall vary between a high-temperature of 57.6°F (14.2°C) and a low-temperature of 39.7°F (4.3°C).

What is the average humidity in April in Tyndall?

In April, the average relative humidity is 67%.

How many days does it rain in April in Tyndall?

In Tyndall, South Dakota, during April, the rain falls for 11.8 days and regularly aggregates up to 2.13" (54mm) of precipitation.

What is the last month it snows in Tyndall?

April is the last month it regularly snows in Tyndall. During 2.3 snowfall days, in April, Tyndall aggregates 1.3" (33mm) of snow.

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

The average day length in April in Tyndall, South Dakota, is 13h and 26min.

When are sunrise and sunset in April in Tyndall?

In April, on the first day of the month, sunrise is at 7:11 am and sunset at 7:58 pm. On the last day of the month, in Tyndall, South Dakota, sunrise is at 6:25 am and sunset at 8:31 pm CDT.

How many hours of sunshine does Tyndall have in April?

In April, the average sunshine duration is 8.1h.

What is the UV index intensity in April in Tyndall?

In Tyndall, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Tyndall, SD

Average temperature in April - Tyndall, SD
  • Average high temperature in April: 57.6°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 (26.2°F).

  • Average low temperature in April: 39.7°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

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Average pressure in April
Tyndall, SD

Average pressure in April - Tyndall, 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 (29.85"Hg).

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Average wind speed in April
Tyndall, SD

Average wind speed in April - Tyndall, SD
  • Average wind speed in April: 11.2mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity in April
Tyndall, SD

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

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (63%).

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Average rainfall in April
Tyndall, SD

Average rainfall in April - Tyndall, SD
  • Average rainfall in April: 2.13"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days in April
Tyndall, SD

Average rainfall days in April - Tyndall, SD
  • Average rainfall days in April: 11.8 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.5 days).

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Average snowfall in April
Tyndall, SD

Average snowfall in April - Tyndall, SD
  • Average snowfall in April: 1.3"

The month with the highest snowfall is December (2.56").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Tyndall, SD

Average snowfall days in April - Tyndall, SD
  • Average snowfall days in April: 2.3 days

The month with the highest number of snowfall days is December (7.5 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
Tyndall, SD

Average daylight in April / Average sunshine in April - Tyndall, SD
  • 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 6min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in April
Tyndall, SD

Average sunshine days in April - Tyndall, SD
  • Average sunshine days in April: 14.7 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in April
Tyndall, SD

Average UV index in April - Tyndall, 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, February, November and December (UV index 2).

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Average cloud cover in April
Tyndall, SD

Average cloud cover in April - Tyndall, SD
  • Average cloud cover in April: 43

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 23).

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Average visibility in April
Tyndall, SD

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

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

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Tyndall, South Dakota, USA

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