What’s the climate like in Rapid City?
The current climate of Rapid City features average monthly temperatures ranging from highs of 30°C during the day to lows of 3°C. 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.
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.
On average, Rapid City gets 1048 mm of precipitation each year. Of this, about 129 cm is snowfall. For comparison, London gets 701 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 good 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.
Climate Table of Rapid City
The climate table of Rapid City shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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.
- Average yearly temperature: 16°C
- Highest temperature: 30°C in July
- Lowest temperature: 3°C in January and December
- Precipitation*: 1048 mm per year, averaging 87 mm per month
- Snowfall: 129 cm per year
- Driest months: 16 mm in January, 19 mm in February and 38 mm in December
- Wettest months: 210 mm in November, 208 mm in August and 120 mm in May
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Rapid City
This graph shows the average maximum temperatures per month in Rapid City, South Dakota. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Rapid City
This graph shows how much precipitation Rapid City, South Dakota, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Rapid City
This graph shows how much snow Rapid City, South Dakota, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Rapid City
This graph 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.
Yearly Temperature in Rapid City
This graph shows the average yearly temperature in Rapid City, South Dakota. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Rapid City
This chart shows the total yearly precipitation in Rapid City, South Dakota, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Rapid City
This chart shows the total yearly snowfall in Rapid City, South Dakota, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
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.
