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
Seneca's transition into April brings a rise in the average high-temperature, moving from an icy 39.9°F (4.4°C) in March to a cool 54°F (12.2°C). Seneca's average low-temperature during April nights is observed to be a cold 36.7°F (2.6°C).Humidity
In April, the average relative humidity is 66%.Rainfall
In Seneca, in April, it is raining for 11.1 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 97.8 rainfall days, and 16.65" (423mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Seneca, in April, snow falls for 4.9 days, with typically accumulated 2.64" (67mm) of snow. In Seneca, during the entire year, snow falls for 59.7 days and aggregates up to 19.96" (507mm) of snow.Daylight
The average length of the day in April is 13h and 32min.On the first day of April, sunrise is at 7:16 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:43 pm CDT.
Sunshine
In April, the average sunshine is 7.6h.UV index
In April, the average daily maximum UV index in Seneca is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Seneca in April?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Seneca have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Seneca have in April?
What is the UV index intensity in April?
Average temperature in April
Seneca, SD
- Average high temperature in April: 54°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in April: 36.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in April
Seneca, SD
- Average pressure in April: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Seneca, SD
- Average wind speed in April: 11.8mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in April
Seneca, SD
- Average humidity in April: 66%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in April
Seneca, SD
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Seneca, SD
- Average rainfall days in April: 11.1 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in April
Seneca, SD
- Average snowfall in April: 2.64"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Seneca, SD
- Average snowfall days in April: 4.9 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Seneca, SD
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 7h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Seneca, SD
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in April
Seneca, 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 1).
Average cloud cover in April
Seneca, SD
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in April
Seneca, 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).
Seneca, South Dakota, USA
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