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
The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a frosty 48.7°F (9.3°C) to a moderate 55.9°F (13.3°C). An average low-temperature of 37.6°F (3.1°C) is expected during April.Humidity
In Porcupine, the average relative humidity in April is 62%.Rainfall
In April, the rain falls for 12.6 days. Throughout April, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Porcupine, there are 86.7 rainfall days, and 13.66" (347mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Porcupine. In Porcupine, in April, snow falls for 3.5 days, with typically accumulated 2.09" (53mm) of snow. Throughout the year, there are 47.4 snowfall days, and 22.72" (577mm) of snow is accumulated.Daylight
In Porcupine, the average length of the day in April is 13h and 26min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:16 pm. On the last day of April, sunrise is at 5:42 am and sunset at 7:50 pm MDT.
Sunshine
In Porcupine, the average sunshine in April is 9.1h.UV index
In April, the average daily maximum UV index in Porcupine is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Porcupine?
What is the average humidity in April in Porcupine?
How much does it rain in Porcupine in April?
How many days does it snow in April in Porcupine?
What is the average length of the day in April in Porcupine?
When are sunrise and sunset in April in Porcupine?
How many hours of sunshine does Porcupine have in April?
How high is the UV index in April in Porcupine?
Average temperature in April
Porcupine, SD
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in April: 37.6°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in April
Porcupine, SD
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Porcupine, SD
- Average wind speed in April: 12.2mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in April
Porcupine, SD
- Average humidity in April: 62%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (48%).
Average rainfall in April
Porcupine, SD
- Average rainfall in April: 1.81"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in April
Porcupine, SD
- Average rainfall days in April: 12.6 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are February and December (2.5 days).
Average snowfall in April
Porcupine, SD
- Average snowfall in April: 2.09"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Porcupine, SD
- Average snowfall days in April: 3.5 days
The month with the highest number of snowfall days is February (11.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Porcupine, SD
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in April
Porcupine, SD
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is September (22.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in April
Porcupine, SD
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Porcupine, SD
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in April
Porcupine, 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).
Porcupine, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location