Park climate1991–2020 climate normals186 m source elevationNASA POWER

Long-term temperature, precipitation, and wind averages from 1991 to 2020 at a representative point

Thunder Bay National Marine Sanctuary Monthly Climate Normals and Atmospheric Data Patterns

Name: Thunder Bay National Marine Sanctuary monthly climate normals
Creator: NASA POWER

Annual climate cycles at Thunder Bay National Marine Sanctuary reveal distinct shifts in atmospheric conditions across the twelve-month calendar. This dataset presents long-term averages for temperature, humidity, wind speed, and precipitation derived from NASA POWER measurements for a fixed representative coordinate. These figures provide a baseline for understanding the typical environment rather than predicting specific weather events or short-term anomalies.

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Annual climate pattern

Long-term monthly temperature normals and average daily precipitation rates across twelve months

Thunder Bay National Marine Sanctuary Annual Climate and Average Monthly Temperature Patterns

Average monthly temperatures across Thunder Bay National Marine Sanctuary shift from sub-zero winter minimums to warm summer maximums based on NASA POWER climatology records from 1991 to 2020. Average daily precipitation rates accompany this thermal progression across a single representative coordinate without implying localized microclimate variations.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 7 °C
Warmest month: August
Coolest month: February
Wettest month: August

Twelve-month climate

Analyze average temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight across the calendar year.

Thunder Bay National Marine Sanctuary Monthly Climate Comparison Across Twelve Months

Comparing all twelve monthly records at one representative coordinate reveals how temperature bounds and average daily precipitation shift alongside humidity, wind speed, and calculated daylight hours. Evaluating these long-term climate normals across the calendar year provides precise climatological context without relying on single annual averages.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-3.7 °C-12.1° to 4.5°	1.4 mm/day	88.5%	7.5 m/s	9 hours
February	-4.1 °C-13° to 4.3°	1.3 mm/day	86.8%	7.1 m/s	10.2 hours
March	-1 °C-10.6° to 8.7°	1.4 mm/day	82.7%	6.4 m/s	11.7 hours
April	3.4 °C-3.1° to 13.1°	2.5 mm/day	80.8%	6 m/s	13.3 hours
May	7.8 °C2° to 17.6°	2.3 mm/day	83.6%	4.9 m/s	14.7 hours
June	13 °C6.1° to 22.1°	2.4 mm/day	84.7%	4.3 m/s	15.4 hours
July	18.5 °C12.4° to 25.2°	2.4 mm/day	81.3%	4.3 m/s	15 hours
August	19.5 °C14.5° to 25.7°	2.5 mm/day	79%	4.8 m/s	13.8 hours
September	16.3 °C9° to 23.8°	2.3 mm/day	77.8%	5.6 m/s	12.3 hours
October	10.1 °C3.5° to 19.1°	2.4 mm/day	79.1%	6.6 m/s	10.7 hours
November	4.4 °C-2.5° to 12.4°	1.8 mm/day	81.1%	7.2 m/s	9.3 hours
December	-0.3 °C-8.4° to 7.1°	1.5 mm/day	85.1%	7.4 m/s	8.6 hours

Calculated climate highlights

Comparing long-term monthly averages for temperature, precipitation, wind, humidity, and daylight duration

Calculated Monthly Climate Highlights and Seasonal Contrasts at Thunder Bay National Marine Sanctuary

Calculated monthly highlights summarize long-term climatology records for temperature, precipitation, wind, humidity, and daylight duration at a sampled coordinate within Thunder Bay National Marine Sanctuary. These comparative monthly-average results illustrate annual patterns across measured variables rather than serving as historical weather records or park-wide observations.

Warmest month: August19.5 °C
Coolest month: February-4.1 °C
Wettest month: August2.5 mm/day
Driest month: February1.3 mm/day
Most humid month: January88.5%
Windiest month: January7.5 m/s
Longest daylight: June15.4 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

Examine long-term monthly temperature and precipitation rhythms across diverse geographic settings.

Comparing Climate Profiles Across Protected Landscapes After Thunder Bay National Marine Sanctuary

Systematic comparison of monthly climate normals reveals atmospheric contrasts and regional variations across protected natural areas. Analyzing multi-year temperature, precipitation, humidity, wind, and daylight patterns provides structured perspective beyond Thunder Bay National Marine Sanctuary.