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Park climate1991–2020 climate normals3 m source elevationNASA POWER

Twelve month analysis of atmospheric averages derived from representative site coordinates

Poor Knights Islands Monthly Climate Normals: Annual Temperature, Rainfall, and Wind Patterns

Detailed annual cycle of Poor Knights Islands climate based on NASA POWER measurements collected between 1991 and 2020. This data profile examines monthly fluctuations in mean temperatures, daily precipitation rates, relative humidity, wind velocity, and daylight duration at a representative coordinate. These records provide a strictly historical climatological baseline for the nature reserve and do not reflect current weather or short term forecasts.

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A stylized illustration of rocky coastal cliffs topped with green trees, meeting the blue ocean with small waves.
Annual climate pattern

Long-term monthly averages tracking temperature ranges alongside average daily precipitation rates

Poor Knights Islands Annual Climate Normals: Monthly Temperature and Precipitation Patterns

Average monthly temperatures span from a peak mean of 20.61 degrees Celsius in February down to a low mean of 14.23 degrees Celsius in August, establishing the thermal rhythm across the year. Average daily precipitation rates accompany these monthly values from 2.17 millimeters per day in January up to 4.33 millimeters per day in July based on NASA POWER climatology records for a single representative coordinate.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 4.3 mm/day10°15°20°25°20°21°20°19°17°16°15°14°15°15°17°18°0123452.22.52.82.83.244.3432.32.32.4JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
17.1 °C
Warmest month
February
Coolest month
August
Wettest month
July
Twelve-month climate

Track average temperature bounds, precipitation rates, wind speeds, and calculated daylight across the annual cycle.

Poor Knights Islands Weather by Month: Complete Twelve-Month Climate Normals

Comparing all twelve monthly records across a representative coordinate reveals how temperature bounds, average daily precipitation rates, relative humidity, and wind shift through the year. Analyzing these sustained historical baseline patterns provides precise climatological context for the protected landscape without relying on single annual averages.
Mean temperaturePrecipitationHumidityWind speedDaylight
January19.8 °C17° to 22.6°2.2 mm/day79.2%6 m/s14.1 hours
February20.6 °C18.2° to 23.2°2.5 mm/day79.5%6 m/s13.3 hours
March20 °C17.5° to 22.5°2.8 mm/day77.4%6.4 m/s12.2 hours
April18.7 °C15.6° to 21.2°2.8 mm/day77.3%6.6 m/s11.1 hours
May17.2 °C13.9° to 19.7°3.2 mm/day77.1%7.4 m/s10.1 hours
June15.5 °C12.5° to 18.3°4 mm/day77.2%8 m/s9.6 hours
July14.6 °C11.6° to 17.1°4.3 mm/day77.5%8.1 m/s9.9 hours
August14.2 °C11.6° to 16.7°4 mm/day77.7%7.9 m/s10.7 hours
September14.7 °C11.8° to 17.2°3 mm/day78.7%7.3 m/s11.8 hours
October15.4 °C12.6° to 18.2°2.3 mm/day78.8%7.2 m/s13 hours
November16.6 °C13.7° to 19.6°2.3 mm/day78.7%6.9 m/s13.9 hours
December18.4 °C15.6° to 21.4°2.4 mm/day80.1%6.2 m/s14.4 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
August: 14.2 °C
February: 20.6 °C
Change from August to February: +6.4 °C
Precipitation
August: 4 mm/day
February: 2.5 mm/day
Change from August to February: -1.5 mm/day
Daylight
August: 10.7 hours
February: 13.3 hours
Change from August to February: +2.6 hours
Calculated climate highlights

Comparative monthly normals for temperature, precipitation, humidity, wind, and daylight duration.

Poor Knights Islands Calculated Monthly Climate Highlights and Averages

Calculated monthly normals reveal the warmest, coolest, wettest, and windiest periods derived from long term climatology records at a representative coordinate. Comparing these twelve baseline averages provides a structured summary of annual patterns without equating comparative mathematical extremes to observed weather events.
Warmest month
February20.6 °C
Coolest month
August14.2 °C
Wettest month
July4.3 mm/day
Driest month
January2.2 mm/day
Most humid month
December80.1%
Windiest month
July8.1 m/s
Longest daylight
December14.4 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 long-term temperature, precipitation, humidity, wind, and daylight rhythms across diverse geographic settings

Beyond Poor Knights Islands: Compare Monthly Climate Profiles Across Protected Landscapes

Examine standardized monthly climate normals from Poor Knights Islands alongside parallel records from other protected natural areas to evaluate distinct atmospheric patterns. Reviewing matching measurement categories across multiple conservation landscapes clarifies regional weather variations without implying direct climatic equivalence.
MoriAtlas Explorer

Explore the Geographic Profile and Protected Landscape of the Poor Knights Islands

Examine the volcanic terrain, sea arches, and island boundaries that define this protected nature reserve in Northland. Use the MoriAtlas dataset to understand the environmental context and geological significance of these uninhabited islands off the New Zealand coast.

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