Best time to visit Custer

Find the best time to visit Custer and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Custer by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Dakota

  • Save on river cruises in 2025 with Avalon Waterways
  • Book river cruises in Europe, Asia, Africa & Americas
  • Filter deals by promotion, month, destination & more

Expires at 23:59 on Wednesday 31st Dec 2025 · View all Avalon Waterways offers

When is the best time to visit Custer?

The best time to visit Custer is June, July and August based on the following average weather conditions.

Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

Change criteria

Hours of Sunshine (daily)

Which is the hottest month in Custer?

The hottest time of year in Custer is normally July. Expect maximum daytime temperatures to reach 29°C with low heat and humidity.

Which month has the most rain in Custer?

In terms of rainfall, May is usually the wettest month in Custer with 76mm on average. There are normally 12 days in May with some rain.

When is it sunniest in Custer?

The sunniest time of year in Custer is normally August with bright sunshine on average for 72% of daylight hours; that's 10 hours of sunshine per day.

Best time to visit

The weather guide for South Dakota (Custer) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

South Dakota travel features

Do you want to learn more about South Dakota? Read our latest features covering travel tips and insider destination guides on where to go and what to do in South Dakota.

We don't currently have any travel features on South Dakota. Discover more about holiday destinations around the world with this selection of general travel articles.

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Back to Holiday Weather Top ^