April weather forecastSmithwick, SD
April
Weather in April
April is a fresh spring month in Smithwick, South Dakota, with an average temperature fluctuating between 54.9°F (12.7°C) and 35.4°F (1.9°C).Temperature
As April arrives, Smithwick's weather shows a minor increase in high-temperatures, edging from March's chilly 47.5°F (8.6°C) to a cool 54.9°F (12.7°C). During April, the temperature tends to dip to an average of 35.4°F (1.9°C) at night.Humidity
In Smithwick, South Dakota, the average relative humidity in April is 62%.Rainfall
In Smithwick, during April, the rain falls for 13.3 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Smithwick, South Dakota, during the entire year, the rain falls for 115.8 days and collects up to 16.61" (422mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Smithwick. In Smithwick, South Dakota, during April, snow falls for 4.8 days and regularly aggregates up to 3.43" (87mm) of snow. Throughout the year, there are 49.2 snowfall days, and 23.19" (589mm) of snow is accumulated.Daylight
In April, the average length of the day in Smithwick, South Dakota, is 13h and 27min.On the first day of April in Smithwick, sunrise is at 6:33 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 7:53 pm MDT.
Sunshine
The average sunshine in April in Smithwick is 9.5h.UV index
In April, the average daily maximum UV index in Smithwick is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 3 during April leads to these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Smithwick, SD
- Average high temperature in April: 54.9°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in April: 35.4°F
The month with the highest average low temperature is July (63.9°F).
The coldest months (with the lowest average low temperature) are February and December (18.5°F).
Average pressure in April
Smithwick, SD
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Smithwick, SD
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in April
Smithwick, SD
- Average humidity in April: 62%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (47%).
Average rainfall in April
Smithwick, SD
- Average rainfall in April: 1.81"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in April
Smithwick, SD
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in April
Smithwick, SD
- Average snowfall in April: 3.43"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Smithwick, SD
- Average snowfall days in April: 4.8 days
The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Smithwick, SD
- Average daylight in April: 13h and 24min
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 0min).
- Average sunshine in April: 9h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in April
Smithwick, SD
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is December (21.4 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in April
Smithwick, SD
- Average UV index in April: 3
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).
Average cloud cover in April
Smithwick, SD
- Average cloud cover in April: 38
The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in April
Smithwick, 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).
