January
January visitability 44, crowd 10, value 48.
Best Time to Visit
Best Time to Visit Grand Portage National Monument
Best primary window for Grand Portage: September, with June and October as strong shoulder months.
October 27, 2026Data snapshot
4Source cards
This page lists month windows for Grand Portage National Monument from the checked-in NPS snapshot and the dated source cards on the page.
Answer Brief
Answer-first planning signal
- Best current use
- Grand Portage National Monument is listed as a National Monument in the checked-in NPS identity snapshot.
- Best months
- September, June, October
- Peak crowd months
- July, August, June
- Current signal
- Grand Portage National Monument is listed as a National Monument in MN in the checked-in NPS identity snapshot. 4 source cards on this page. Data snapshot: October 27, 2026. Official NPS page: https://www.nps.gov/grpo/index.htm.
- Visitor takeaway
- Month windows for Grand Portage National Monument are listed on this page. Official NPS page: https://www.nps.gov/grpo/index.htm.
- What it sounds like
- Grand Portage audio on this page is a labeled modeled cue, not a field recording.
Seasonality
Best Windows
Month windows listed on this page: primary September, June; lower-crowd October, September; peak July, August.
- Primary window
- September, June
- Best value
- October, September
- Peak pressure
- July, August
Monthly Curve
Month-by-Month Snapshot
Each month lists visitability, crowd, and value figures from this page's month table.
February
February visitability 46, crowd 10, value 51.
March
March visitability 51, crowd 18, value 54.
April
April visitability 56, crowd 30, value 57.
May
May visitability 58, crowd 48, value 58.
June
June visitability 60, crowd 68, value 58.
July
July visitability 59, crowd 86, value 55.
August
August visitability 59, crowd 82, value 55.
September
September visitability 61, crowd 58, value 59.
October
October visitability 60, crowd 34, value 60.
November
November visitability 54, crowd 18, value 56.
December
December visitability 48, crowd 10, value 52.
Pressure
Reservation Pressure
Reservation-pressure figures on this page are listed by month.
- July
- 75
- August
- 72
- June
- 61
- September
- 54
Modeled Audio
Hear a modeled cue for Grand Portage
A browser-generated composition for orientation, not a field recording or live condition.
Methodology
Methodology
Grand Portage National Monument source cards come from the data snapshot October 27, 2026. This page lists the NPS identity snapshot and the month table below.
- Data snapshot
- October 27, 2026
- Source cards
- 4
- Version
- checked-in NPS snapshot
- Input
- checked-in taxonomy snapshot
- Input
- month windows listed on this page
Read the NPS Sounds methodology and about NPS Sounds for how month windows are assembled.
Data Behind This Reading
Source provenance
NPS identity
highGrand Portage National Monument is identified as National Monument with NPS code grpo.
SourceOfficial operations
limitedOfficial alerts should be verified on the NPS page. This site uses a checked-in snapshot, not a live operations feed.
SourceWeather and seasonality
limitedShort, warm summers and long, cold winters define the climate of northern Minnesota. Average range of summer temperature is from 55°F to 78°F in July and average range of winter temperatures is from –11°F to 12°F in January. Average annual precipitation in Grand Portage, MN is about 32 inches.
SourceHow this page is assembled
limitedbest_time page source cards come from the data snapshot October 27, 2026.
SourceAlternatives
Cross-Park Alternatives
Other NPS places in the same state or region.
National River & Recreation Area
Mississippi
Best primary window for Mississippi: September, with June and October as strong shoulder months.
National Monument
Pipestone
Best primary window for Pipestone: September, with June and October as strong shoulder months.
National Park
Voyageurs
Best primary window for Voyageurs: September, with June and October as strong shoulder months.
National Lakeshore
Apostle Islands
Best primary window for Apostle Islands: September, with June and October as strong shoulder months.