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Park climate1991–2020 climate normals130 m source elevationNASA POWER

Long-term representative averages for temperature, precipitation, humidity, wind, and daylight hours.

MacMillan Provincial Park Monthly Climate Normals, 1991 to 2020 Atmospheric Records

The annual climate profile for MacMillan Provincial Park provides a consistent view of atmospheric patterns using data from 1991 to 2020. These records reflect long-term averages at a single representative coordinate, focusing on mean temperature, daily precipitation rates, and relative humidity throughout the calendar year. Daylight duration and wind speed contribute to the annual rhythm of the environment, offering a foundation for understanding the park climate independent of current weather conditions or seasonal forecasts.

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A digital illustration of a dense forest floor featuring several large fallen logs covered in moss, surrounded by vibrant green ferns and towering tree trunks.
Annual climate pattern

Long-term monthly temperature averages and daily precipitation rates across the year

MacMillan Provincial Park Annual Climate Normals and Monthly Temperature Patterns

Average minimum, mean, and maximum temperatures track a distinct annual thermal cycle across the twelve months at MacMillan Provincial Park. Corresponding average daily precipitation rates provide a baseline comparison using recorded historical normals from a representative coordinate.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 5.7 mm/day-10°0°10°20°30°4°5°6°9°13°15°18°18°15°10°7°4°01234565.13.53.52.51.61.611.21.93.95.75.1JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
10.4 °C
Warmest month
August
Coolest month
December
Wettest month
November
Twelve-month climate

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

MacMillan Provincial Park Weather by Month: Complete Twelve-Month Climate Records

Long-term climatology data from 1991 to 2000 provides baseline monthly averages for temperature, precipitation, humidity, and wind at a representative coordinate. Reviewing all twelve records reveals how thermal conditions and calculated daylight hours shift across the annual cycle.
Mean temperaturePrecipitationHumidityWind speedDaylight
January4.3 °C-2.4° to 9.8°5.1 mm/day85.3%3.1 m/s8.5 hours
February4.7 °C-1.4° to 10.4°3.5 mm/day82.1%2.8 m/s9.9 hours
March6.2 °C0.4° to 13.4°3.5 mm/day80.8%2.8 m/s11.6 hours
April8.8 °C2.8° to 18.1°2.5 mm/day77.3%2.4 m/s13.5 hours
May12.8 °C5.6° to 22.9°1.6 mm/day75.3%2 m/s15.1 hours
June15.3 °C8.6° to 25.3°1.6 mm/day76.2%1.9 m/s16 hours
July18 °C11.2° to 28.2°1 mm/day76%1.8 m/s15.6 hours
August18.1 °C11.7° to 27.7°1.2 mm/day76.2%1.7 m/s14.1 hours
September15.2 °C8.9° to 24.7°1.9 mm/day78%1.9 m/s12.3 hours
October10.5 °C4.8° to 18.1°3.9 mm/day82.7%2.5 m/s10.4 hours
November6.6 °C0.5° to 12.9°5.7 mm/day85.2%3.1 m/s8.8 hours
December4.2 °C-1.7° to 10°5.1 mm/day85.6%3.3 m/s8 hours

Compare two months

See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.

Mean temperature
December: 4.2 °C
August: 18.1 °C
Change from December to August: +14 °C
Precipitation
December: 5.1 mm/day
August: 1.2 mm/day
Change from December to August: -3.9 mm/day
Daylight
December: 8 hours
August: 14.1 hours
Change from December to August: +6.1 hours
Calculated climate highlights

Warmest, coolest, wettest, and driest baseline monthly averages derived from climatology records

Calculated Monthly Climate Contrasts and Normals for MacMillan Provincial Park

Calculations isolate the highest and lowest monthly averages for temperature, precipitation, humidity, wind, and daylight duration across the twelve stored climatology records. Comparisons reflect analytical baseline normals for a sampled coordinate rather than observed weather extremes or localized conditions.
Warmest month
August18.1 °C
Coolest month
December4.2 °C
Wettest month
November5.7 mm/day
Driest month
July1 mm/day
Most humid month
December85.6%
Windiest month
December3.3 m/s
Longest daylight
June16 hours

Interactive climate map

National park climate map

Open the climate map to compare monthly temperature, precipitation, and other averages.

Global National Park Climate Map
Other park climates

Analyze monthly temperature, precipitation, and regional atmospheric patterns across diverse protected landscapes

Compare MacMillan Provincial Park Climate With Other Protected Area Profiles

Examine long term monthly temperature normals and precipitation rhythms alongside humidity, wind, and daylight data for MacMillan Provincial Park and other protected landscapes. Standardized monthly metric comparisons reveal broad atmospheric variation across different geographic settings and regional environments.
MoriAtlas Explorer

Explore the Mapped Protected Landscapes of MacMillan Provincial Park

Trace the ecological boundaries and terrain features of MacMillan Provincial Park. Use the MoriAtlas dataset to understand how this ancient forest corridor interacts with the surrounding Vancouver Island landscape and the Cameron River ecosystem.

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