Is July the hardest month at every individual campground?

No. This is a national average across thousands of campgrounds. Some campgrounds — especially those in warm, low-elevation, or desert regions — actually get harder in winter. See which national park campgrounds get easier in winter for specific examples.

Why not use the Campsite Odds 1–10 score for this comparison?

Campsite Odds' 1–10 score ranks each campground against other campgrounds in the same calendar month, so the average score is flat across months by design — it can't show which month is nationally hardest. This analysis instead uses raw reservation behavior (occupancy, share booked at window-open, and lead time) aggregated across all campgrounds, which does carry real cross-month signal.

What counts as "booked at window-open" here?

The share of a month's eventual reservations that were made on the very first day Recreation.gov's booking window opened for that arrival date, averaged across all reservable, scored campgrounds.

Does this account for campgrounds that are closed in winter?

Yes — the analysis only includes reservation_stats rows that actually exist, so months when a seasonal campground is closed simply contribute no data for that campground, rather than being counted as "easy."

The Hardest Month to Book a Campsite Nationwide (and the Easiest)

August 11, 2026 · Sharon Ben-Moshe

July is the hardest month to book a campsite nationwide. Recreation.gov campgrounds fill to an average 59.1% occupancy in July, with 17.1% of each month's reservations already gone the instant the booking window opens — both the highest of any month. January is the easiest, averaging just 29.3% occupancy and only 5.7% booked at window-open.

Key takeaways

July is hardest by every measure: highest occupancy (59.1%), highest share booked at window-open (17.1%), and among the longest median lead times (83 days).
January is easiest: lowest occupancy (29.3%) and lowest share booked at window-open (5.7%).
Lead time tracks demand — median lead time swings from 35 days in January to 83 days in July, meaning summer campers book roughly seven weeks earlier on average.
The winter months (November–February) all sit well below summer on every metric, consistent with which national park campgrounds get easier in winter.
This is a national average across thousands of campgrounds — an individual campground's shoulder season can differ from the national pattern.

What is the hardest month to book a campsite?

July, by a clear margin. Averaged across every reservable, scored U.S. campground, July reservations fill to 59.1% occupancy, 17.1% of a month's bookings land the instant the window opens, and campers commit a median 83 days ahead of arrival — all the highest figures of the year.

What is the easiest month to book a campsite?

January. Occupancy averages just 29.3%, only 5.7% of reservations land at window-open, and the median camper books just 35 days ahead — more than seven weeks less lead time than July.

The full month-by-month breakdown

January: 29.3% average occupancy, 5.7% booked at window-open, 35-day median lead time
February: 32.1% average occupancy, 7.3% booked at window-open, 42-day median lead time
March: 39.6% average occupancy, 6.0% booked at window-open, 41-day median lead time
April: 36.8% average occupancy, 7.6% booked at window-open, 47-day median lead time
May: 34.7% average occupancy, 10.7% booked at window-open, 70-day median lead time
June: 52.3% average occupancy, 13.6% booked at window-open, 79-day median lead time
July: 59.1% average occupancy, 17.1% booked at window-open, 83-day median lead time
August: 51.9% average occupancy, 16.6% booked at window-open, 75-day median lead time
September: 38.1% average occupancy, 15.2% booked at window-open, 62-day median lead time
October: 37.7% average occupancy, 12.0% booked at window-open, 52-day median lead time
November: 39.5% average occupancy, 9.5% booked at window-open, 47-day median lead time
December: 30.9% average occupancy, 6.3% booked at window-open, 38-day median lead time

Looking for a specific easy window right now? See easiest campgrounds to book in July or easiest campgrounds to book in January.

Why does July book up so much faster than January?

July sits in the middle of peak summer school-break travel, when demand for camping is at its yearly high across nearly every region and agency. Recreation.gov's rolling booking window opens the same way year-round, but far more campers are competing for July dates the moment their window opens, which is exactly why the median lead time stretches to 83 days — people are planning summer trips months earlier than winter ones.

How to use this if summer is your only option

Book the instant your target campground's reservation window opens — in July, waiting even a day can mean the difference between a site and a sold-out month.
Check whether shifting a week or two within summer helps; late August already runs cooler than July and June on every metric above.
If your first-choice campground is full, compare nearby alternatives before giving up on the trip.

Methodology: figures are the average of monthly reservation_stats rows (occupancy, share booked at window-open, median lead time) across fiscal years 2023–2025 for every reservable, scored Recreation.gov campground, current as of August 2026. This uses raw booking behavior rather than the percentile-normalized Campsite Odds score used elsewhere on this site, since that score is ranked within each month's cohort and doesn't carry a valid cross-month comparison.

Frequently asked questions

Is July the hardest month at every individual campground?: No. This is a national average across thousands of campgrounds. Some campgrounds — especially those in warm, low-elevation, or desert regions — actually get harder in winter. See which national park campgrounds get easier in winter for specific examples.
Why not use the Campsite Odds 1–10 score for this comparison?: Campsite Odds' 1–10 score ranks each campground against other campgrounds in the same calendar month, so the average score is flat across months by design — it can't show which month is nationally hardest. This analysis instead uses raw reservation behavior (occupancy, share booked at window-open, and lead time) aggregated across all campgrounds, which does carry real cross-month signal.
What counts as "booked at window-open" here?: The share of a month's eventual reservations that were made on the very first day Recreation.gov's booking window opened for that arrival date, averaged across all reservable, scored campgrounds.
Does this account for campgrounds that are closed in winter?: Yes — the analysis only includes reservation_stats rows that actually exist, so months when a seasonal campground is closed simply contribute no data for that campground, rather than being counted as "easy."