Rapid City Sunrise & Sunset in August 2026

CST43.0750°N, 103.2020°W

Northern Hemisphere • mid-latitude latitude band

Last updated: February 23, 2026

This page shows daily sunrise and sunset times for Rapid City, South Dakota throughout August 2026, displayed in local time. You can view how sunrise and sunset times change day by day across the entire month. The daylight characteristics of August in Rapid City reflect seasonal transitions. The golden hour occurs twice daily—shortly after sunrise and before sunset—providing ideal lighting conditions for photography. During August, these periods shift gradually, offering different timing opportunities throughout the month. Outdoor enthusiasts in Rapid City benefit from accurate August sun times when planning activities like hiking, running, cycling, and beach visits. Understanding when daylight begins and ends helps ensure safety and maximizes enjoyment. Whether you're a long-time resident or a first-time visitor, understanding August's sun time patterns in Rapid City, South Dakota enhances your ability to plan and enjoy activities. The month's daylight characteristics are part of what makes the location unique. The daily variations in sun times during August may seem minor, but they reflect the Earth's continuous motion around the sun. These changes affect everything from energy consumption to mood and daily routines. Understanding these patterns helps residents and visitors make the most of each day's available daylight.

August falls in summer for Rapid City in the Northern Hemisphere. Days are long and sunrises are early at about 43.1° latitude, with sunset times staying later into the evening.

August daylight summary

  • Sunrise shifts 33m later from the start to the end of the month.
  • Sunset shifts 44m earlier from the start to the end of the month.
  • Total daylight changes by 1h 17m shorter by month end.

Key August Statistics

  • Earliest sunrise: August 1 at 6:43 AM
  • Latest sunrise: August 31 at 7:16 AM
  • Earliest sunset: August 1 at 9:17 PM
  • Latest sunset: August 31 at 8:33 PM
  • Day length change: -2h 17m from start to end of month

August averages

  • Average sunrise: 6:59 AM
  • Average sunset: 8:56 PM
  • Average day length: 13h 57m

Monthly Sun Trend Charts

Sunrise Trend
Sunset Trend
Day Length Trend

Daily Sun Times for August 2026

DateSunriseSunsetDay LengthMorning Golden HourEvening Golden Hour
Aug 16:43 AM9:17 PM14h 34m6:43 AM - 7:24 AM8:36 PM - 9:17 PM
Aug 26:44 AM9:16 PM14h 31m6:44 AM - 7:25 AM8:35 PM - 9:16 PM
Aug 36:45 AM9:14 PM14h 29m6:45 AM - 7:26 AM8:34 PM - 9:14 PM
Aug 46:46 AM9:13 PM14h 27m6:46 AM - 7:27 AM8:33 PM - 9:13 PM
Aug 56:47 AM9:12 PM14h 25m6:47 AM - 7:28 AM8:32 PM - 9:12 PM
Aug 66:48 AM9:11 PM14h 22m6:48 AM - 7:29 AM8:31 PM - 9:11 PM
Aug 76:50 AM9:09 PM14h 20m6:50 AM - 7:30 AM8:29 PM - 9:09 PM
Aug 86:51 AM9:08 PM14h 18m6:51 AM - 7:30 AM8:28 PM - 9:08 PM
Aug 96:52 AM9:07 PM14h 15m6:52 AM - 7:31 AM8:27 PM - 9:07 PM
Aug 106:53 AM9:06 PM14h 13m6:53 AM - 7:32 AM8:26 PM - 9:06 PM
Aug 116:54 AM9:04 PM14h 10m6:54 AM - 7:33 AM8:25 PM - 9:04 PM
Aug 126:55 AM9:03 PM14h 8m6:55 AM - 7:34 AM8:23 PM - 9:03 PM
Aug 136:56 AM9:01 PM14h 5m6:56 AM - 7:35 AM8:22 PM - 9:01 PM
Aug 146:57 AM9:00 PM14h 3m6:57 AM - 7:36 AM8:21 PM - 9:00 PM
Aug 156:58 AM8:58 PM14h 0m6:58 AM - 7:38 AM8:19 PM - 8:58 PM
Aug 166:59 AM8:57 PM13h 58m6:59 AM - 7:39 AM8:18 PM - 8:57 PM
Aug 177:01 AM8:56 PM13h 55m7:01 AM - 7:40 AM8:17 PM - 8:56 PM
Aug 187:02 AM8:54 PM13h 52m7:02 AM - 7:41 AM8:15 PM - 8:54 PM
Aug 197:03 AM8:53 PM13h 50m7:03 AM - 7:42 AM8:14 PM - 8:53 PM
Aug 207:04 AM8:51 PM13h 47m7:04 AM - 7:43 AM8:12 PM - 8:51 PM
Aug 217:05 AM8:49 PM13h 44m7:05 AM - 7:44 AM8:11 PM - 8:49 PM
Aug 227:06 AM8:48 PM13h 42m7:06 AM - 7:45 AM8:09 PM - 8:48 PM
Aug 237:07 AM8:46 PM13h 39m7:07 AM - 7:46 AM8:08 PM - 8:46 PM
Aug 247:08 AM8:45 PM13h 36m7:08 AM - 7:47 AM8:06 PM - 8:45 PM
Aug 257:09 AM8:43 PM13h 34m7:09 AM - 7:48 AM8:05 PM - 8:43 PM
Aug 267:10 AM8:41 PM13h 31m7:10 AM - 7:49 AM8:03 PM - 8:41 PM
Aug 277:12 AM8:40 PM13h 28m7:12 AM - 7:50 AM8:02 PM - 8:40 PM
Aug 287:13 AM8:38 PM13h 25m7:13 AM - 7:51 AM8:00 PM - 8:38 PM
Aug 297:14 AM8:36 PM13h 23m7:14 AM - 7:52 AM7:58 PM - 8:36 PM
Aug 307:15 AM8:35 PM13h 20m7:15 AM - 7:53 AM7:57 PM - 8:35 PM
Aug 317:16 AM8:33 PM13h 17m7:16 AM - 7:54 AM7:55 PM - 8:33 PM

Last updated: February 23, 2026

About sunrise and sunset in Rapid City in August

Sunrise and sunset times shift slightly each day through August as we move through the solstice. The times shown are in local time for Rapid City, South Dakota, and are calculated based on the city's exact geographic coordinates.

You can come back daily to see updated values. This page shows you not just sunrise and sunset times, but also golden hour periods (ideal for photography), dawn and dusk times (civil twilight), and day length for every day of the month. All times are displayed in local time and update automatically based on the current date.

Whether you're planning outdoor activities, photography sessions, or simply want to know when daylight begins and ends, this calendar helps you make the most of each day in August.

Frequently Asked Questions

What time is sunrise in Rapid City, South Dakota in August?

Today, the sun rises in Rapid City, South Dakota at 7:40 AM local time. Sunrise shifts slightly each day throughout August, so check this page for the latest times.

What time is sunset in Rapid City, South Dakota in August?

Today, the sun sets in Rapid City, South Dakota at 6:35 PM local time. Sunset shifts slightly each day throughout August, so check this page for the latest times.

How long is the day in Rapid City, South Dakota in August?

Today's daylight in Rapid City, South Dakota lasts about 10h 55m. As we move through August, day length changes gradually, and this page updates daily with new values.

What is golden hour in Rapid City, South Dakota?

Golden hour in Rapid City, South Dakota refers to the period shortly after sunrise and before sunset when the sun is low in the sky, creating warm, soft lighting ideal for photography. These periods occur twice daily and shift gradually throughout the month. For more information about planning photos during golden hour, see our guide on golden hour photography.

How often are these sunrise and sunset times updated?

Sunrise and sunset times are updated daily and are based on reliable astronomical calculations. The times account for your location's exact geographic coordinates, timezone, and the Earth's position in its orbit. You can check back each day to see the latest values.

How People Use This Information

People use sunrise and sunset times for planning outdoor activities, photography, travel, prayer times, fitness routines, gardening, and understanding seasonal daylight changes. SunTimesToday is designed as a quick, location-specific reference that updates daily to reflect accurate astronomical calculations.

Data Source & Accuracy

Sunrise, sunset, daylight length, and twilight times on SunTimesToday are calculated using standard astronomical algorithms based on your selected location and date. Data is updated daily to reflect seasonal and yearly changes. While times are accurate for most practical uses, small variations may occur due to atmospheric conditions and local geography.