When is the best time to go to Sioux Falls
The chart above shows the best time of year to visit Sioux Falls, 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 Sioux Falls
Sioux Falls weather by month
Please note our recommendations for when to visit Sioux Falls 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 |
|---|---|---|---|
| -4°C | 13mm | 6.2hrs | 10.4hrs |
January is a dry month in Sioux Falls and the temperature is generally very cold.
Based on weather alone, this is probably a time of year to avoid going to Sioux Falls for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in Sioux Falls and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing -4°C (24°F), whilst at night -16°C (3°F) is normal.
On average January is the driest month of the year in Sioux Falls with around 13mm 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 6.2 hours of sunshine per day.
Sioux Falls weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -1°C | 17mm | 6.8hrs | 11.5hrs |
February in Sioux Falls is generally dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Sioux Falls for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
February is in the winter in Sioux Falls and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -1°C (30°F), whilst at night -13°C (9°F) is normal.
On average February is the 2nd driest month of the year in Sioux Falls with around 17mm 0.7 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 6.8 hours of sunshine per day.
Sioux Falls weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 5°C | 41mm | 7.7hrs | 12.8hrs |
The weather in March in Sioux Falls is characteristically cool and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Sioux Falls for your holidays. The weather is often not a good and not conducive to spending time outdoors.
March is in the spring in Sioux Falls and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 6°C (42°F), whilst at night -5°C (22°F) is normal.
On average March is the 3rd driest month of the year in Sioux Falls with around 41mm 1.6 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 7.7 hours of sunshine per day.
Sioux Falls weather in March »
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 63mm | 8.6hrs | 14.4hrs |
Sioux Falls'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 Sioux Falls for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
April is in the spring in Sioux Falls and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 2°C (35°F) is normal.
On average April is the 4th driest month of the year in Sioux Falls 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 8.6 hours of sunshine per day.
Sioux Falls weather in April »
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 79mm | 9.9hrs | 15.7hrs |
May is a reasonably dry month in Sioux Falls and the temperature is generally mild.
It is perhaps a good month to visit Sioux Falls, with some surprisingly good weather at this time of year.
May is in the spring in Sioux Falls and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 8°C (46°F) is normal.
On average May is the 5th driest month of the year in Sioux Falls with around 79mm 3.1 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 9.9 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 92mm | 11.4hrs | 10.4hrs |
June in Sioux Falls is generally a little damp with the temperature being warm.
It is perhaps the perfect month to visit Sioux Falls, with some particularly good weather at this time of year.
June is in the summer in Sioux Falls and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 13°C (56°F) is normal.
On average June is the 6th driest month of the year in Sioux Falls with around 92mm 3.6 inches of rain making it a a little damp 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 11.4 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 71mm | 11.9hrs | 11.5hrs |
July in Sioux Falls is generally reasonably dry with the temperature being hot.
It is perhaps the perfect month to visit Sioux Falls, with some extremely good weather at this time of year.
July is in the summer in Sioux Falls and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 17°C (62°F) is normal.
On average July is the 6th wettest month of the year in Sioux Falls with around 71mm 2.8 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 11.9 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 74mm | 10.7hrs | 12.8hrs |
The weather in August in Sioux Falls is characteristically warm and reasonably dry.
It is perhaps the perfect month to visit Sioux Falls, with some particularly good weather at this time of year.
August is in the summer in Sioux Falls and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 15°C (59°F) is normal.
On average August is the 5th wettest month of the year in Sioux Falls with around 74mm 2.9 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.
Sioux Falls weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 74mm | 8.8hrs | 14.4hrs |
Sioux Falls's weather in September is typically mild and reasonably dry in nature.
It is perhaps a good month to visit Sioux Falls, with some very good weather at this time of year.
September is in the fall / autumn in Sioux Falls and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 9°C (49°F) is normal.
On average September is the 4th wettest month of the year in Sioux Falls with around 74mm 2.9 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 8.8 hours of sunshine per day.
Sioux Falls weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 43mm | 7.3hrs | 15.7hrs |
October is a reasonably dry month in Sioux Falls and the temperature is generally cool.
It is perhaps a good month to visit Sioux Falls, with some particularly good weather at this time of year.
October is in the fall / autumn in Sioux Falls and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 2°C (36°F) is normal.
On average October is the 3rd wettest month of the year in Sioux Falls with around 43mm 1.7 inches of rain making it a reasonably 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 7.3 hours of sunshine per day.
Sioux Falls weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 6°C | 28mm | 5.3hrs | 10.4hrs |
The weather in November in Sioux Falls is characteristically cool and dry.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Sioux Falls.
November is in the fall / autumn in Sioux Falls and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cold 6°C (44°F), whilst at night -5°C (23°F) is normal.
On average November is the 2nd wettest month of the year in Sioux Falls with around 28mm 1.1 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 5.3 hours of sunshine per day.
Sioux Falls weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| -2°C | 17mm | 5hrs | 11.5hrs |
December in Sioux Falls is generally dry with the temperature being cold.
Based on weather alone, this is probably a time of year to avoid going to Sioux Falls for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in Sioux Falls and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing -2°C (28°F), whilst at night -13°C (8°F) is normal.
On average December is the wettest month of the year in Sioux Falls with around 17mm 0.7 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 hours of sunshine per day.
Other monthly averages
Sioux Falls weather stats
| Hottest month: | July | 29.9°C 85.8°F |
|---|---|---|
| Driest month: | January | 13mm 0.5ins |
| Sunniest month: | July | 11.9hrs |
| Coldest month: | January | -4.6°C 23.7°F |
| Wettest month: | June | 92mm 3.6ins |
| Warmest sea: | August | 18.3°C 64.9°F |
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