Days of Sunshine Per Year in South Dakota
Number of Sunny Days
In the table below, the average number of Sunny Days for a city in South Dakota is the total days in a year when the sky is mostly clear. This includes the days when cloud covers up to 30% of the sky during daylight hours.
Partly Sunny Days have cloud covering from 40% to 70% of the sky during the daytime. The rest of the days are mainly overcast, with at least 80% cloud cover.
Total Days With Sun is a sum of the Sunny plus Partly Sunny days. All the numbers are annual averages, made from years of weather watching.
City | Sunny | Partly Sunny | Total Days With Sun |
---|---|---|---|
Aberdeen | 101 | 101 | 202 |
Huron | 104 | 107 | 211 |
Rapid City | 111 | 115 | 226 |
Sioux Falls | 105 | 103 | 208 |
Amount of Sun
Here's another way to look at how much sunshine a city gets. The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. Again, these amounts are yearly averages based on many years of weather observations.
City | % Sun |
---|---|
Huron | 63 |
Rapid City | 63 |
Reference
National Climatic Data Center. Comparative Climatic Data.