April weather forecastHartford, SD
April
Weather in April
April in Hartford, South Dakota, is a mild spring month, with an average temperature fluctuating between 55.4°F (13°C) and 38.5°F (3.6°C).Temperature
The rise of average high-temperatures is seen in April, with an increase from a chilly 42.8°F (6°C) in March to a mild 55.4°F (13°C). In Hartford, the average low-temperature during the month of April is a wintry 38.5°F (3.6°C).Humidity
The average relative humidity in April is 69%.Rainfall
In Hartford, during April, the rain falls for 12.8 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Hartford, during the entire year, the rain falls for 118.3 days and collects up to 22.76" (578mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Hartford, in April, snow falls for 2.5 days, with typically accumulated 2.4" (61mm) of snow. In Hartford, during the entire year, snow falls for 45.4 days and aggregates up to 19.33" (491mm) of snow.Daylight
The average length of the day in April is 13h and 28min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:55 pm. On the last day of April, sunrise is at 6:20 am and sunset at 8:29 pm CDT.
Sunshine
In Hartford, the average sunshine in April is 7.8h.UV index
In Hartford, South Dakota, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hartford, SD
- Average high temperature in April: 55.4°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in April: 38.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in April
Hartford, SD
- Average pressure in April: 29.93"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Hartford, SD
- Average wind speed in April: 11.4mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in April
Hartford, SD
- Average humidity in April: 69%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in April
Hartford, SD
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in April
Hartford, SD
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in April
Hartford, SD
- Average snowfall in April: 2.4"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Hartford, SD
- Average snowfall days in April: 2.5 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hartford, SD
- Average daylight in April: 13h and 30min
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: 7h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Hartford, SD
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in April
Hartford, SD
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Hartford, SD
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in April
Hartford, 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).
