Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift from March to April is marked by an increase in the average high-temperature, moving from a cold 37.8°F (3.2°C) to a cool 51.8°F (11°C). Hammer, during the month of April, experiences an average low-temperature of 35.8°F (2.1°C).Humidity
In Hammer, South Dakota, the average relative humidity in April is 69%.Rainfall
In Hammer, South Dakota, in April, during 11 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Hammer, during the entire year, the rain falls for 107.9 days and collects up to 20.63" (524mm) of precipitation.Snowfall
Months with snowfall in Hammer are January through May, October through December. In Hammer, in April, snow falls for 4.1 days, with typically accumulated 2.17" (55mm) of snow. Throughout the year, there are 53.2 snowfall days, and 20.12" (511mm) of snow is accumulated.Daylight
In April, the average length of the day in Hammer, South Dakota, is 13h and 35min.On the first day of April, sunrise is at 7:06 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:35 pm CDT.
Sunshine
In Hammer, the average sunshine in April is 7.4h.UV index
In April, the average daily maximum UV index in Hammer is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In April, the maximum UV index of 3 transforms into these recommendations:
Take precautions - Protection against sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the temperature in April in Hammer?
What is the average humidity in April in Hammer?
How many days does it rain in April in Hammer?
How many days does it snow in April in Hammer?
How many hours of daylight does Hammer have in April?
When is the sunrise / sunset in April in Hammer?
How long on average sun shines in April in Hammer?
How high is the UV index in April in Hammer?
Average temperature in April
Hammer, SD
- Average high temperature in April: 51.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in April: 35.8°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).
Average pressure in April
Hammer, 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 (29.86"Hg).
Average wind speed in April
Hammer, SD
- Average wind speed in April: 10.9mph
The windiest months (with the highest average wind speed) are April and October (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in April
Hammer, SD
- Average humidity in April: 69%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).
Average rainfall in April
Hammer, SD
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Hammer, SD
- Average rainfall days in April: 11 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in April
Hammer, SD
- Average snowfall in April: 2.17"
The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Hammer, SD
- Average snowfall days in April: 4.1 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hammer, 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: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Hammer, SD
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in April
Hammer, SD
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Hammer, SD
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 25).
Average visibility in April
Hammer, 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).
Hammer, South Dakota, USA
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