When is the best time to go to Rapid City
The chart above shows the best time of year to visit Rapid City, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Rapid City
Rapid City weather by month
Please note our recommendations for when to visit Rapid City are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -3°C | 49mm | 3.6hrs | 10.3hrs |
The weather in January in Rapid City is characteristically cold and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Rapid City for your holidays. The weather is often not a good and not conducive to spending time outdoors.
January is in the winter in Rapid City and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing -3°C (26°F), whilst at night -12°C (10°F) is normal.
On average January is the driest month of the year in Rapid City with around 49mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.6 hours of sunshine per day.
Rapid City weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -2°C | 33mm | 4.9hrs | 11.5hrs |
February in Rapid City is generally reasonably dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Rapid City for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
February is in the winter in Rapid City and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -2°C (28°F), whilst at night -13°C (9°F) is normal.
On average February is the 2nd driest month of the year in Rapid City with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
Rapid City weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 3°C | 48mm | 6.1hrs | 12.8hrs |
The weather in March in Rapid City is characteristically cold and reasonably dry.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Rapid City.
March is in the spring in Rapid City and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (38°F), whilst at night -8°C (19°F) is normal.
On average March is the 3rd driest month of the year in Rapid City with around 48mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 10°C | 62mm | 7.6hrs | 14.5hrs |
Rapid City's weather in April is typically cool and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Rapid City.
April is in the spring in Rapid City and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night -1°C (31°F) is normal.
On average April is the 4th driest month of the year in Rapid City with around 62mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 63mm | 9.3hrs | 15.9hrs |
May is a reasonably dry month in Rapid City and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Rapid City.
May is in the spring in Rapid City and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 5°C (41°F) is normal.
On average May is the 5th driest month of the year in Rapid City with around 63mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.3 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 76mm | 10.2hrs | 10.3hrs |
Mild and reasonably dry weather often prevails in Rapid City during the month of June
It is perhaps the perfect month to visit Rapid City, with some inordinately good weather at this time of year.
June is in the summer in Rapid City and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 10°C (50°F) is normal.
On average June is the 6th driest month of the year in Rapid City with around 76mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.2 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 70mm | 10.7hrs | 11.5hrs |
July in Rapid City is generally reasonably dry with the temperature being warm.
It is perhaps the perfect month to visit Rapid City, with some surprisingly good weather at this time of year.
July is in the summer in Rapid City and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 26°C (79°F), whilst at night 13°C (55°F) is normal.
On average July is the 6th wettest month of the year in Rapid City with around 70mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.7 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 78mm | 9.1hrs | 12.8hrs |
The weather in August in Rapid City is characteristically warm and reasonably dry.
It is perhaps the perfect month to visit Rapid City, with some inordinately good weather at this time of year.
August is in the summer in Rapid City and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 12°C (54°F) is normal.
On average August is the 5th wettest month of the year in Rapid City with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
Rapid City weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 94mm | 6.8hrs | 14.5hrs |
Rapid City's weather in September is typically mild and a little damp in nature.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Rapid City.
September is in the fall / autumn in Rapid City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 8°C (47°F) is normal.
On average September is the 4th wettest month of the year in Rapid City with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
Rapid City weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 68mm | 5hrs | 15.9hrs |
October is a reasonably dry month in Rapid City and the temperature is generally cool.
Based on weather alone, this is probably a time of year to avoid going to Rapid City for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
October is in the fall / autumn in Rapid City and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 3°C (38°F) is normal.
On average October is the 3rd wettest month of the year in Rapid City with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
Rapid City weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 5°C | 65mm | 2.9hrs | 10.3hrs |
November is a reasonably dry month in Rapid City and the temperature is generally cool.
Based on weather alone, this is probably a time of year to avoid going to Rapid City for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
November is in the fall / autumn in Rapid City and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cold 6°C (43°F), whilst at night -2°C (29°F) is normal.
On average November is the 2nd wettest month of the year in Rapid City with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.9 hours of sunshine per day.
Rapid City weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -1°C | 54mm | 2.6hrs | 11.5hrs |
December in Rapid City is generally reasonably dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Rapid City for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
December is in the winter in Rapid City and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing -1°C (30°F), whilst at night -8°C (17°F) is normal.
On average December is the wettest month of the year in Rapid City with around 54mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.6 hours of sunshine per day.
Other monthly averages
Rapid City weather stats
| Hottest month: | July | 25.9°C 78.6°F |
|---|---|---|
| Driest month: | February | 33mm 1.3ins |
| Sunniest month: | July | 10.7hrs |
| Coldest month: | January | -3.6°C 25.5°F |
| Wettest month: | September | 94mm 3.7ins |
| Warmest sea: | August | 18.8°C 65.8°F |
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