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
In April, the meteorological conditions change with the average high-temperature moving from a frosty 45°F (7.2°C) in March to a mild 56.3°F (13.5°C). During April, Reliance's temperature averages to an icy 38.3°F (3.5°C) at night.Humidity
In Reliance, the average relative humidity in April is 66%.Rainfall
In Reliance, in April, during 13.7 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Reliance, during the entire year, the rain falls for 107.6 days and collects up to 17.83" (453mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 3.4 snowfall days, in April, Reliance aggregates 1.89" (48mm) of snow. In Reliance, during the entire year, snow falls for 50.9 days and aggregates up to 17.87" (454mm) of snow.Daylight
The average length of the day in April is 13h and 28min.On the first day of April, sunrise is at 7:18 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:40 pm CDT.
Sunshine
In April, the average sunshine in Reliance, South Dakota, is 7.9h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in April interprets into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Reliance?
What is the average humidity in April in Reliance?
How much does it rain in Reliance in April?
What is the last month it snows in Reliance?
How many hours of daylight does Reliance have in April?
What time are sunrise and sunset in April in Reliance?
How many hours of sunshine does Reliance have in April?
What is the UV index intensity in April in Reliance?
Average temperature in April
Reliance, SD
- Average high temperature in April: 56.3°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in April: 38.3°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in April
Reliance, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Reliance, SD
- Average wind speed in April: 11.3mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in April
Reliance, SD
- Average humidity in April: 66%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).
Average rainfall in April
Reliance, SD
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days in April
Reliance, SD
- Average rainfall days in April: 13.7 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in April
Reliance, SD
- Average snowfall in April: 1.89"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Reliance, SD
- Average snowfall days in April: 3.4 days
The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Reliance, SD
- Average daylight in April: 13h and 3min
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 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in April
Reliance, SD
- Average sunshine days in April: 11.8 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in April
Reliance, SD
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in April
Reliance, SD
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in April
Reliance, 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).
Reliance, South Dakota, USA
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