Emmett Till and Mamie Till-Mobley National Monument in June
June at Emmett Till and Mamie Till-Mobley National Monument averages a daytime high near 90°F and an overnight low around 69°F, with about 4.2" of precipitation. Visitation runs about 2.4× the park's average month, which makes June a very busy month here.
- Average low
- 69°F
- Average high
- 90°F
Range across the year: 32°F to 92°F
- Precipitation
- 4.2 in
- Daylight
- 14.3 hours
Roughly 20% of the park's yearly visitors come in June: about 730 recreation visits in a typical year, based on National Park Service monthly counts from 2024 to 2025.
It is the single busiest month of the year at Emmett Till and Mamie Till-Mobley; January, the quietest, runs only about 0.3× the average — a 8-to-1 swing between high and low season.
On our Best Time to Visit score June rates 28/100 ("Poor"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 79°F is hot, with afternoons near 90°F to plan the day around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 16.7 miles from the park.
June falls inside the park's busiest stretch: June, July and August together pull about 45% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 14.3 hours of daylight in June to explore — near the year-round maximum.
Park-wide, 2025 drew 3,763 recreation visits, up 7.1% from 3,513 in 2024.
How June compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| May | 82°F / 61°F | 1.0× Average | 71 Good |
| June | 90°F / 69°F | 2.4× Very busy | 28 Poor |
| July | 92°F / 71°F | 1.8× Very busy | 33 Poor |
All twelve months at Emmett Till and Mamie Till-Mobley, with the best time to visit.
Things to do at Emmett Till and Mamie Till-Mobley in June
The National Park Service tags 4 Emmett Till and Mamie Till-Mobley activities for summer. Each links to the park's own page for it.
- Get Started at the Sumner Visitor Center · 30-60 minutes
- More to See in Illinois
- Visit Graball Landing
- Visit the Illinois Unit · 30-60 minutes
Frequently Asked Questions
June averages a daytime high near 90°F and an overnight low around 69°F at Emmett Till and Mamie Till-Mobley National Monument, with about 4.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 16.7 miles from the park, so conditions inside the park can differ, especially at other elevations.
June is very busy at Emmett Till and Mamie Till-Mobley National Monument (about 2.4× the average month). Our best-time score rates it "Poor" at 28/100. Our recommended month is October.
The busiest month is June and the quietest is January. June sits at about 2.4× the park's average, or 20% of annual visitation.
A typical June sees about 1,000 recreation visits at Emmett Till and Mamie Till-Mobley National Monument, based on National Park Service monthly counts from 2024–2025.
Where to stay near Emmett Till and Mamie Till-Mobley in June
Booking a June trip to Emmett Till and Mamie Till-Mobley National Monument? Compare hotels, cabins and vacation rentals near the park with live June availability and prices.
Top-rated places to stay near Emmett Till and Mamie Till-Mobley
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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See the full ranking of the best national parks to visit in June.
Source: National Park Service Visitor Use Statistics (2024–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.