Deadwood (SD) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Deadwood.

Climate overview of Deadwood

The climate in Deadwood, South Dakota, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to 2°C (36°F) in February.

The city receives around 832 mm (33 in) of rain/snowfall per year. It experiences warm summers and cold winters. May is the wettest month and November the driest.

Deadwood Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Deadwood - and find the best time to visit.

Monthly Temperature in Deadwood

In Deadwood, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a chilly 2°C (36°F) in February.

Nighttime temperatures range from 14°C (57°F) in July to -9°C (16°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Deadwood

On average, Deadwood receives a reasonable amount of rain/snowfall, with an annual precipitation of 832 mm (33 in). The seasons in Deadwood bring significant changes in precipitation. The wettest month, May, receives high rainfall, with an average of 145 mm (5.7 in) of precipitation. This rainfall is distributed across 16 rainy days.

In contrast, the driest month, November, experiences much less snow/rainfall, totaling 36 mm (1.4 in) over 9 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Deadwood Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Deadwood

For comfortable weather, consider visiting Deadwood in July, August and September. Conditions are usually least favourable in January, February, March, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: July, August and September
  • Warmest weather: July and August
  • Fewest rainy days: September and November
  • Wettest months: April, May and June, when rainfall is highest.
  • Seasonal pattern: Warm summers and cold winters
  • Coldest conditions: February, with freezing nights around -9°C (16°F).

Frequently asked questions about the climate in Deadwood

What is the best time to visit Deadwood?

July, August and September typically offer the most optimal weather in Deadwood. In contrast, January, February, March, November and December tend to have less optimal conditions. Deadwood has warm summers and cold winters.

What temperatures can I expect in Deadwood?

Daytime highs range from 2°C (36°F) in February to 27°C (81°F) in July. Nighttime lows range from -9°C (16°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Deadwood get?

Annual rainfall is around 832 mm (33 in). May is the wettest month with 145 mm (5.7 in), while November is the driest with 36 mm (1.4 in).

Deadwood 3-Day Forecast

Deadwood (SD) 3-Day Forecast

Deadwood on the map

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