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
As April arrives, Seneca's weather shows an increase in high-temperatures, moving from March's cold 39.9°F (4.4°C) to a fresh 54°F (12.2°C). In April, the average low-temperature in Seneca records at an icy 36.7°F (2.6°C) during the nights.Humidity
The average relative humidity in April in Seneca is 66%.Rainfall
In Seneca, during April, the rain falls for 11.1 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Seneca, during the entire year, the rain falls for 97.8 days and collects up to 16.65" (423mm) of precipitation.Snowfall
Months with snowfall in Seneca are January through May, October through December. In Seneca, South Dakota, in April, during 4.9 snowfall days, 2.64" (67mm) of snow is typically accumulated. In Seneca, South Dakota, during the entire year, snow falls for 59.7 days and aggregates up to 19.96" (507mm) of snow.Daylight
In April, the average length of the day is 13h and 32min.On the first day of the month, sunrise is at 7:16 am and sunset at 8:06 pm. On the last day of April, sunrise is at 6:27 am and sunset at 8:43 pm CDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In Seneca, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the temperature in April in Seneca?
What is the average humidity in April in Seneca?
How many days does it rain in April in Seneca?
How many days does it snow in April in Seneca?
How many hours of daylight does Seneca have in April?
When are sunrise and sunset in April in Seneca?
How many hours of sunshine does Seneca have in April?
How high is the UV index in April in Seneca?
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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