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Park climate1991–2020 climate normals119 m source elevationNASA POWER

Twelve month analysis of temperature, precipitation, and wind based on representative coordinates.

Thousand Islands National Park Monthly Climate Normals and Atmospheric Data Patterns

Detailed climatological profile for Thousand Islands National Park based on NASA POWER measurements collected between 1991 and 2020. This data tracks average daily temperature, precipitation rates, relative humidity, wind speed, and daylight hours at a single representative geographic coordinate. These records provide a consistent look at atmospheric patterns throughout the calendar year to support scientific comparison and environmental study within this Ontario region.

View park overviewBrowse climate zones
Illustrated landscape featuring a river flowing through islands with dense forests and a waterfall
Annual climate pattern

Analyzing the seasonal movement of average thermal ranges and daily precipitation rates

Thousand Islands National Park Monthly Climate Patterns and Temperature Normals

Long term monthly means in Thousand Islands National Park transition from an average low of -7.79 °C in January up to a peak average of 21.26 °C in July. Based on 1991 to 2020 climatology data at a representative elevation of 119.36 meters, average daily precipitation rates remain relatively steady, ranging from 1.54 mm per day in February to 2.54 mm per day in June.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 2.5 mm/day-30°-20°-10°0°10°20°30°40°-8°-7°-1°6°13°18°21°21°17°9°3°-4°01231.81.51.62.12.12.52.32.12.32.52.21.9JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
7.3 °C
Warmest month
July
Coolest month
January
Wettest month
June
Twelve-month climate

Compare long term monthly averages for temperature bounds, daily precipitation, wind speed, and daylight.

Thousand Islands National Park Weather by Month: Twelve-Month Climate Normals

An exact calendar-year breakdown for Thousand Islands National Park displays 1991 to 2020 climatology normals sampled from a representative park coordinate. Comparing twelve monthly records reveals how average temperature bounds, daily precipitation rates, wind speeds, relative humidity, and calculated daylight hours fluctuate across the seasons.
Mean temperaturePrecipitationHumidityWind speedDaylight
January-7.8 °C-25.5° to 6.6°1.8 mm/day89.8%3.5 m/s9.1 hours
February-6.7 °C-23.4° to 6.3°1.5 mm/day88.3%3.7 m/s10.2 hours
March-1.3 °C-17.6° to 14.4°1.6 mm/day81.2%3.3 m/s11.7 hours
April5.8 °C-6.1° to 21.3°2.1 mm/day75.8%2.8 m/s13.3 hours
May12.8 °C-0.1° to 26.1°2.1 mm/day75.1%2.2 m/s14.6 hours
June18.1 °C6.1° to 29.1°2.5 mm/day75.8%2 m/s15.3 hours
July21.3 °C10.9° to 31°2.3 mm/day73.2%1.9 m/s15 hours
August20.8 °C9.9° to 31.2°2.1 mm/day72.2%1.9 m/s13.8 hours
September16.6 °C4° to 29.4°2.3 mm/day73.4%2.1 m/s12.3 hours
October9.4 °C-2.4° to 23.2°2.5 mm/day77.6%2.4 m/s10.7 hours
November2.8 °C-8.7° to 16.1°2.2 mm/day81.9%2.7 m/s9.4 hours
December-3.5 °C-18.9° to 9°1.9 mm/day86.9%2.9 m/s8.7 hours
Calculated climate highlights

Comparing long-term average temperature, precipitation, humidity, wind, and daylight duration.

Calculated Monthly Climate Highlights and Contrasts for Thousand Islands National Park

The monthly climate profile of Thousand Islands National Park highlights calculated contrasts by identifying the warmest, coolest, wettest, and driest months of the year. Monthly average metrics leverage long-term historical data to illustrate the annual progression without representing daily weather records or park-wide uniform conditions.
Warmest month
July21.3 °C
Coolest month
January-7.8 °C
Wettest month
June2.5 mm/day
Driest month
February1.5 mm/day
Most humid month
January89.8%
Windiest month
February3.7 m/s
Longest daylight
June15.3 hours

Interactive climate map

Compare National Park Climate Data Through an Interactive Global Map

Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.

Global National Park Climate Map
Other park climates

Trace regional temperature shifts and annual precipitation rhythms across diverse conservation landscapes.

Compare Thousand Islands National Park Monthly Climate with Other Protected Areas

Evaluating the monthly climate normals of Thousand Islands National Park alongside other regional reserves provides essential atmospheric context for understanding diverse geographic settings. Standardized metrics for monthly temperature, precipitation, humidity, and daylight patterns highlight the distinct seasonal rhythms of various conservation landscapes.
MoriAtlas Explorer

Continue Exploring Thousand Islands National Park's Geographic Context and Mapped Boundaries

Deepen your understanding of Thousand Islands National Park by exploring its specific geographic features and protected land boundaries. This national park offers a unique landscape within Ontario, providing a valuable point of reference for regional atlas discovery. Continue your exploration to grasp its natural terrain and conservation landscape context, furthering your appreciation for its place in the broader geographic framework.

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Thousand Islands National Park Atlas

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