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 |
|---|---|---|---|
| 1°C | 8mm | 5.9hrs | 10.4hrs |
January is a very dry month in Rapid City and the temperature is generally 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.
January is in the winter in Rapid City and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (35°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 8mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
Rapid City weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 3°C | 12mm | 6.9hrs | 11.5hrs |
February in Rapid City is generally 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 not a good 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 4°C (39°F), whilst at night -10°C (14°F) is normal.
On average February is the 2nd driest month of the year in Rapid City with around 12mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
Rapid City weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 24mm | 8.1hrs | 12.8hrs |
The weather in March in Rapid City is characteristically cool and 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 relatively bad and not conducive to spending time outdoors.
March is in the spring in Rapid City and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -6°C (21°F) is normal.
On average March is the 3rd driest month of the year in Rapid City with around 24mm 0.9 inches of rain making it a 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 8.1 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 13°C | 50mm | 8.8hrs | 14.4hrs |
Rapid City's weather in April is typically cool and reasonably dry in nature.
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.
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 14°C (58°F), whilst at night -0°C (32°F) is normal.
On average April is the 4th driest month of the year in Rapid City with around 50mm 2 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 8.8 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 80mm | 9.5hrs | 15.8hrs |
May is a reasonably dry month in Rapid City and the temperature is generally mild.
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.
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 20°C (68°F), whilst at night 6°C (42°F) is normal.
On average May is the 5th driest month of the year in Rapid City with around 80mm 3.1 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 9.5 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 79mm | 11.1hrs | 10.4hrs |
The climate in Rapid City during June can be summarized as warm and reasonably dry.
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.
June is in the summer in Rapid City and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 25°C (78°F), whilst at night 11°C (52°F) is normal.
On average June is the 6th driest month of the year in Rapid City with around 79mm 3.1 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 11.1 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 62mm | 11.6hrs | 11.5hrs |
July in Rapid City is generally reasonably dry with the temperature being warm.
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.
July is in the summer in Rapid City and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 15°C (59°F) is normal.
On average July is the 6th wettest 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 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.6 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 48mm | 11.2hrs | 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 surprisingly 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 a comfortable 29°C (84°F), whilst at night 13°C (55°F) is normal.
On average August is the 5th wettest 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 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.2 hours of sunshine per day.
Rapid City weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 30mm | 9.4hrs | 14.4hrs |
Rapid City's weather in September is typically mild and dry in nature.
It is perhaps the perfect month to visit Rapid City, with some surprisingly good weather at this time of year.
September is in the fall / autumn in Rapid City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 7°C (45°F) is normal.
On average September is the 4th wettest month of the year in Rapid City with around 30mm 1.2 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 hours of sunshine per day.
Rapid City weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 26mm | 7.9hrs | 15.8hrs |
October is a dry month in Rapid City and the temperature is generally cool.
It is perhaps a good month to visit Rapid City, with some particularly good weather at this time of year.
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 17°C (63°F), whilst at night 2°C (35°F) is normal.
On average October is the 3rd wettest month of the year in Rapid City with around 26mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 hours of sunshine per day.
Rapid City weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 12mm | 5.8hrs | 10.4hrs |
The climate in Rapid City during November can be summarized as cool and 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.
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 8°C (47°F), whilst at night -5°C (22°F) is normal.
On average November is the 2nd wettest month of the year in Rapid City with around 12mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
Rapid City weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 3°C | 11mm | 5.5hrs | 11.5hrs |
December in Rapid City is generally 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 not a good 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 3°C (37°F), whilst at night -11°C (13°F) is normal.
On average December is the wettest month of the year in Rapid City with around 11mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
Other monthly averages
Rapid City weather stats
| Hottest month: | July | 29.5°C 85.1°F |
|---|---|---|
| Driest month: | January | 8mm 0.3ins |
| Sunniest month: | August | 11.2hrs |
| Coldest month: | January | 1.2°C 34.2°F |
| Wettest month: | May | 80mm 3.1ins |
| Warmest sea: | August | 16.6°C 61.9°F |
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