Best Time to Visit Thousand Islands National Park

    Month-by-month guide to visiting Thousand Islands National Park. Compare temperatures, rainfall, and safari conditions across all 12 months. View the full Thousand Islands National Park page for wildlife, lodges, and more.

    Best months:
    April
    May
    June
    July
    August
    September
    Jan
    Good-3.54°C89.8mm
    Feb
    Good-3.22°C71.5mm
    Mar
    Good1.6°C85.4mm
    Apr
    Great6.97°C97.7mm
    May
    Great13.26°C71.2mm
    Jun
    Great18.89°C91.2mm
    Jul
    Great22.11°C115.2mm
    Aug
    Great21.46°C123.6mm
    Sep
    Great17.78°C75mm
    Oct
    Good11.99°C111.1mm
    Nov
    Good5.56°C85.9mm
    Dec
    Good0.4°C106.6mm
    Great (4-5)
    Good (3)
    Poor (1-2)
    Best month

    Conditions are based on historical weather data from Open-Meteo and wildlife sighting records from GBIF and iNaturalist. Actual conditions may vary by year.