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Park climate1991–2020 climate normals65 m source elevationNASA POWER

Twelve-month atmospheric averages based on representative coordinate data from 1991 to 2020.

Monthly Climate Normals and Annual Weather Patterns for Susan Island Nature Reserve

Detailed climate profiles for Susan Island Nature Reserve provide long-term monthly averages derived from the 1991 to 2020 period. This record tracks mean, minimum, and maximum temperatures alongside precipitation rates, relative humidity, wind speed, and daylight hours. These data points represent a single reference location within the reserve, offering a structured perspective on regional climatology without accounting for local microclimate variation or live daily weather fluctuations.

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A stylized illustration of a river flowing in front of a forest with tall, tiered rocky bluffs in the background under a pale, warm sky.
Annual climate pattern

Long term average monthly temperature ranges and daily precipitation rates across the calendar year

Susan Island Nature Reserve Annual Climate Normals and Monthly Temperature Rhythms

Susan Island Nature Reserve experiences a gradual annual thermal cycle, with average monthly temperatures reaching their highest levels during summer and descending toward cooler averages by midwinter. Average daily precipitation rates fluctuate across the twelve months alongside these temperature shifts, reflecting long term climatology recorded at a representative protected coordinate.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 5.9 mm/day5°10°15°20°25°30°35°40°25°24°23°21°18°16°15°16°18°20°22°24°01234564.85.95.533.33.41.61.61.42.63.64.1JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
20.1 °C
Warmest month
January
Coolest month
July
Wettest month
February
Twelve-month climate

Analyze temperature bounds, precipitation rates, humidity, wind speed, and daylight across the calendar year.

Susan Island Nature Reserve Weather by Month: Complete Twelve-Month Climate Comparison

Examine long-term monthly climate normals for Susan Island Nature Reserve based on a representative coordinate spanning temperature, precipitation, and relative humidity trends. Comparing all twelve calendar months reveals distinct annual variations in atmospheric conditions rather than relying on isolated annual averages.
Mean temperaturePrecipitationHumidityWind speedDaylight
January24.8 °C18.9° to 35.4°4.8 mm/day71%4 m/s13.7 hours
February24.3 °C19° to 33.4°5.9 mm/day73.8%4 m/s13 hours
March23 °C17.1° to 31.4°5.5 mm/day75.6%3.8 m/s12.2 hours
April20.7 °C13.8° to 28.3°3 mm/day73.8%3.5 m/s11.3 hours
May17.9 °C10.7° to 25.6°3.3 mm/day73.6%3.3 m/s10.5 hours
June15.6 °C8.1° to 22.8°3.4 mm/day75.1%3.4 m/s10.1 hours
July14.7 °C7.3° to 22.7°1.6 mm/day72.6%3.4 m/s10.3 hours
August15.6 °C7.9° to 25.3°1.6 mm/day68.6%3.5 m/s11 hours
September18.2 °C10.3° to 29.4°1.4 mm/day66.8%3.6 m/s11.9 hours
October20.4 °C12.5° to 32.1°2.6 mm/day66.7%4 m/s12.8 hours
November22.3 °C14.8° to 33.9°3.6 mm/day68.4%4.1 m/s13.5 hours
December23.8 °C16.6° to 35°4.1 mm/day69.3%4 m/s13.9 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
July: 14.7 °C
January: 24.8 °C
Change from July to January: +10.1 °C
Precipitation
July: 1.6 mm/day
January: 4.8 mm/day
Change from July to January: +3.2 mm/day
Daylight
July: 10.3 hours
January: 13.7 hours
Change from July to January: +3.4 hours
Calculated climate highlights

Long-term monthly temperature, precipitation, humidity, wind, and daylight comparisons for Susan Island Nature Reserve

Susan Island Nature Reserve Calculated Monthly Climate Highlights and Extremes

Calculated monthly comparisons highlight the warmest, coolest, wettest, driest, most humid, windiest, and longest daylight periods across Susan Island Nature Reserve using thirty-year climatology normals. These derived metrics summarize annual baseline patterns from sampled coordinates rather than serving as observed weather records.
Warmest month
January24.8 °C
Coolest month
July14.7 °C
Wettest month
February5.9 mm/day
Driest month
September1.4 mm/day
Most humid month
March75.6%
Windiest month
November4.1 m/s
Longest daylight
December13.9 hours

Interactive climate map

National park climate map

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

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Compare Susan Island Nature Reserve climate across complete park profiles

Susan Island Nature Reserve supplies the starting series for comparing monthly temperature progression and average daily precipitation across other protected settings. Humidity, wind, and daylight provide common secondary fields, while country or proximity ordering remains a discovery signal rather than evidence of shared island climate, closeness, or equivalent conditions.
MoriAtlas Explorer

Explore the Protected Geography of Susan Island Nature Reserve

Examine the mapped boundaries, ecological communities, and riparian landscape of Susan Island Nature Reserve. This MoriAtlas profile provides a structured look at the island's rare rainforest remnants and its significance as a seasonal wildlife gathering site in the New South Wales Northern Rivers region.

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