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Park climate1991–2020 climate normals1 m source elevationNASA POWER

Long-term climatic averages based on 1991-2020 representative-point data for the island

Rangatira Island Climate Profile: Monthly Temperature, Precipitation, and Atmospheric Data

This comprehensive climate profile for Rangatira Island presents monthly averages for temperature, daily precipitation rates, wind speeds, and relative humidity. Utilizing consistent measurements from a representative coordinate over the 1991 to 2020 period, the dataset provides a baseline for understanding the annual atmospheric rhythm across the reserve. Data includes mean, minimum, and maximum temperatures along with daylight duration for every month of the year.

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A flat-style digital illustration showing a grassy dirt track leading toward a coastal view with rolling green hills, a turquoise sea, and a distant rocky island under a cloudy sky.
Annual climate pattern

Long term monthly temperature ranges and average daily precipitation records

Rangatira Island Annual Climate Normals, Monthly Temperature and Precipitation Patterns

Average monthly temperatures on Rangatira Island move from a peak of nearly eighteen degrees Celsius down to a cooler minimum average near seven degrees across the calendar year. Monthly precipitation rates remain steady throughout this period, reflecting NASA power climatology records captured at a single representative coordinate.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 3 mm/day5°10°15°20°14°15°14°13°12°11°10°10°10°10°11°13°012341.92.42.72.52.5322.22.22.12.32JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
12 °C
Warmest month
February
Coolest month
August
Wettest month
June
Twelve-month climate

Analyze long term temperature bounds, average daily precipitation, and calculated daylight across the calendar year

Rangatira Island Weather by Month: Complete Twelve Month Climate Comparison

Examine average minimum and maximum temperatures alongside average daily precipitation rates for every month of the year at Rangatira Island. Comparing relative humidity, wind speed, and calculated daylight hours reveals the full multi variable climate normal across all twelve months.
Mean temperaturePrecipitationHumidityWind speedDaylight
January14.4 °C11.1° to 17.5°1.9 mm/day84.2%7.8 m/s14.9 hours
February15 °C11.8° to 18°2.4 mm/day83.6%7.5 m/s13.8 hours
March14.5 °C11.4° to 17.4°2.7 mm/day83.3%8 m/s12.3 hours
April13.3 °C9.9° to 16.4°2.5 mm/day82.8%8.6 m/s10.7 hours
May12 °C8.6° to 14.8°2.5 mm/day82.7%8.7 m/s9.4 hours
June10.6 °C7.2° to 13.6°3 mm/day82.2%9.4 m/s8.7 hours
July9.7 °C6.7° to 12.6°2 mm/day81.5%8.7 m/s9 hours
August9.6 °C6.7° to 12.2°2.2 mm/day82.9%8.6 m/s10.2 hours
September9.9 °C6.6° to 12.5°2.2 mm/day83.9%8.7 m/s11.7 hours
October10.4 °C7.3° to 13.3°2.1 mm/day84.2%8.4 m/s13.3 hours
November11.4 °C8° to 14.4°2.3 mm/day83.4%8.1 m/s14.6 hours
December13 °C9.6° to 16.2°2 mm/day85%7.7 m/s15.3 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: 9.6 °C
February: 15 °C
Change from August to February: +5.4 °C
Precipitation
August: 2.2 mm/day
February: 2.4 mm/day
Change from August to February: +0.2 mm/day
Daylight
August: 10.2 hours
February: 13.8 hours
Change from August to February: +3.6 hours
Calculated climate highlights

Evaluating long-term monthly averages for temperature, precipitation, wind, and daylight duration.

Calculated Monthly Climate Highlights and Comparative Extremes for Rangatira Island

These comparative highlights summarize the warmest, coolest, wettest, and windiest months derived from twelve stored climatology records for a single representative coordinate on Rangatira Island. Each labeled high and low reflects calculated monthly-average norms rather than observed weather extremes or localized conditions.
Warmest month
February15 °C
Coolest month
August9.6 °C
Wettest month
June3 mm/day
Driest month
January1.9 mm/day
Most humid month
December85%
Windiest month
June9.4 m/s
Longest daylight
December15.3 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 wind patterns across diverse regional landscapes.

Compare Rangatira Island Climate Normals with Other Protected Area Profiles

Examine long term monthly temperature, precipitation, humidity, wind, and daylight records across alternative protected landscapes starting from Rangatira Island. Broaden your atmospheric analysis by contrasting annual climate rhythms and seasonal normals across different geographic settings.
MoriAtlas Explorer

Continue Exploring the Protected Landscapes of Rangatira Island

Delve deeper into the geographic boundaries and terrain features of Rangatira Island. MoriAtlas provides a structured view of this remote nature reserve, highlighting its role as a crucial sanctuary within the Chatham Islands and the wider Pacific region.

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Rangatira Island Nature Reserve Map

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