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United StatesThe climate of Rapid City
The current climate in Rapid City features temperatures ranging from a high of 30°C to a low of 3°C throughout the year. The average yearly temperature is around 16°C. At night, temperatures in the colder months average around -9°C and in the warmer months around 16°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Rapid City, South Dakota.
Temperature records
The highest temperature recorded in Rapid City in recent years was 41°C in July 2021. The lowest daytime temperature recorded was -22°C in February 2021.
Precipitation and snowfall
On average, Rapid City gets 1048 mm of precipitation each year. Of this, about 129 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Best time to visit Rapid City?
The best time to visit Rapid City for sunny weather is May through July and September. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Rapid City. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Rapid City
The climate table of Rapid City shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 3 | 4 | 7 | 13 | 19 | 27 | 30 | 28 | 25 | 16 | 10 | 3 |
| Temp. min (°C) | -8 | -9 | -5 | 0 | 7 | 13 | 16 | 15 | 11 | 3 | -3 | -8 |
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| Precipitation (mm) | 16 | 19 | 42 | 55 | 120 | 106 | 76 | 208 | 59 | 99 | 210 | 38 |
| Snow (cm) | 15 | 26 | 24 | 20 | 1,9 | 0 | 0 | 0 | 0 | 2,0 | 8,7 | 30 |
| UV Index | 2 | 3 | 4 | 7 | 6 | 6 | 8 | 7 | 4 | 4 | 4 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Rapid City, South Dakota. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Rapid City
Yearly Temperature in Rapid City
Precipitation charts
These charts show the average amount of precipitation in Rapid City, South Dakota. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Rapid City
Total Yearly Precipitation in Rapid City
Average Snowfall per Month in Rapid City
Total Yearly Snowfall in Rapid City
UV index chart
This chart shows the average UV index per month in Rapid City, South Dakota. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Rapid City
Weather experiences in Rapid City
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Average weather in Rapid City by month
Click on a month below to see detailed weather info for Rapid City. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.