April weather forecast
Hamill, SD

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Weather in April

April is a refreshing spring month in Hamill, South Dakota, with an average temperature fluctuating between 56.7°F (13.7°C) and 39.2°F (4°C).

Temperature

The arrival of April brings a temperature shift, with the average high-temperature escalating from a chilly 46.6°F (8.1°C) in March to a mild 56.7°F (13.7°C). Hamill experiences a steady low-temperature of 39.2°F (4°C) throughout April.

Humidity

The average relative humidity in April is 65%.

Rainfall

In Hamill, in April, it is raining for 11.8 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Hamill, South Dakota, in April, during 2.8 snowfall days, 1.73" (44mm) of snow is typically accumulated. In Hamill, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.

Daylight

The average length of the day in April in Hamill is 13h and 28min.
On the first day of April, sunrise is at 7:18 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:40 pm CDT.

Sunshine

The average sunshine in April in Hamill is 8h.

UV index

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

The high-temperature, in April, in Hamill, is 56.7°F (13.7°C), while the low-temperature averages to 39.2°F (4°C).

What is the average humidity in April?

In April, the average relative humidity is 65%.

How much does it rain in April?

In Hamill, South Dakota, during April, the rain falls for 11.8 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How many days does it snow in April?

In April, it is snowing for 2.8 days. Throughout April, 1.73" (44mm) of snow is accumulated.

What is the average length of the day in April?

In April, the average day length is 13h and 28min.

What time are sunrise and sunset in April?

On the first day of April, sunrise is at 7:18 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:40 pm CDT.

How many hours of sunshine does Hamill have in April?

In Hamill, the average sunshine duration in April is 8h.

What is the UV index reading in April?

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Hamill, SD

Average temperature in April - Hamill, SD
  • Average high temperature in April: 56.7°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in April: 39.2°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average pressure in April
Hamill, SD

Average pressure in April - Hamill, 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).

Average wind speed in April
Hamill, SD

Average wind speed in April - Hamill, SD
  • Average wind speed in April: 11.9mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

Average humidity in April
Hamill, SD

Average humidity in April - Hamill, SD
  • Average humidity in April: 65%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).

Average rainfall in April
Hamill, SD

Average rainfall in April - Hamill, SD
  • Average rainfall in April: 1.77"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in April
Hamill, SD

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

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).

Average snowfall in April
Hamill, SD

Average snowfall in April - Hamill, SD
  • Average snowfall in April: 1.73"

The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Hamill, SD

Average snowfall days in April - Hamill, SD
  • Average snowfall days in April: 2.8 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Hamill, 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: 9h and 0min).

  • Average sunshine in April: 8h and 0min

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 54min).

Average sunshine days in April
Hamill, SD

Average sunshine days in April - Hamill, SD
  • Average sunshine days in April: 13.7 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in April
Hamill, SD

Average UV index in April - Hamill, 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 December (UV index 1).

Average cloud cover in April
Hamill, SD

Average cloud cover in April - Hamill, SD
  • Average cloud cover in April: 42

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).

Average visibility in April
Hamill, SD

Average visibility in April - Hamill, 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).

Hamill, South Dakota, USA

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