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
With the onset of April, Long Valley's weather sees a temperature rise, transitioning from a frosty 46.8°F (8.2°C) in March to a refreshing 56.5°F (13.6°C). Long Valley reports an average low-temperature of 38.7°F (3.7°C) during the nights of April.Humidity
In April, the average relative humidity is 62%.Rainfall
In Long Valley, in April, it is raining for 11.8 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 95.3 rainfall days, and 13.74" (349mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Long Valley, during April, snow falls for 3.3 days and regularly aggregates up to 2.13" (54mm) of snow. In Long Valley, during the entire year, snow falls for 38.8 days and aggregates up to 16.1" (409mm) of snow.Daylight
In April, the average length of the day is 13h and 27min.On the first day of April, sunrise is at 6:26 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 7:47 pm MDT.
Sunshine
The average sunshine in April is 9h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 3 in April leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
How many hours of daylight does Long Valley have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Long Valley, SD
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in April
Long Valley, SD
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Long Valley, SD
- Average wind speed in April: 12.1mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).
Average humidity in April
Long Valley, SD
- Average humidity in April: 62%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).
Average rainfall in April
Long Valley, SD
- Average rainfall in April: 1.57"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in April
Long Valley, SD
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in April
Long Valley, SD
- Average snowfall in April: 2.13"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Long Valley, SD
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Long Valley, 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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in April
Long Valley, SD
- Average sunshine days in April: 14.1 days
The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).
Average UV index in April
Long Valley, SD
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Long Valley, SD
- Average cloud cover in April: 41
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in April
Long Valley, 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).
Long Valley, South Dakota, USA
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