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Park climate1991–2020 climate normals3 m source elevationNASA POWER

Twelve month analysis of temperature, precipitation, and wind speeds at a representative point

Stephens Island (New Zealand) Annual Climate Normals and Monthly Atmospheric Data Patterns

Detailed climatological profile for Stephens Island (New Zealand) providing monthly averages for mean, maximum, and minimum temperatures alongside daily precipitation rates. Atmospheric data including relative humidity, wind speed, and daylight duration are measured at a representative elevation of 2.97 meters. These records utilize 1991 to 2020 NASA POWER datasets to represent long-term regional conditions rather than current weather observations or localized variations.

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A digital illustration of a coastal scene featuring rolling green hills, a small island in the distance, a waterfall on a cliff, and a forest in the foreground under a pastel sky.
Annual climate pattern

Comparing twelve-month average temperatures and daily precipitation rates across the Marlborough Region

Stephens Island New Zealand Annual Climate Normals and Monthly Temperature Patterns

Monthly mean temperatures at Stephens Island span from a high of 17.67 degrees Celsius in February to a low of 11.68 degrees Celsius in August, accompanied by average minimum and maximum thermal ranges. Daily precipitation rates shift across the year alongside these temperature norms, reflecting long-term climatology recorded from 1991 to 2020 at a representative coordinate.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 4.4 mm/day5°10°15°20°17°18°17°16°14°13°12°12°12°13°14°16°0123452.12.22.53.43.54.43.93.93.73.42.62.8JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
14.3 °C
Warmest month
February
Coolest month
August
Wettest month
June
Twelve-month climate

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

Stephens Island, New Zealand Weather by Month: Twelve-Month Climate Comparison

Examine long-term climate normals across all twelve months at a representative coordinate within Stephens Island, New Zealand. Comparing average temperatures, daily precipitation rates, and calculated daylight hours reveals precise environmental shifts throughout the annual cycle.
Mean temperaturePrecipitationHumidityWind speedDaylight
January16.9 °C13.5° to 19.5°2.1 mm/day84.2%6.9 m/s14.6 hours
February17.7 °C14.4° to 20°2.2 mm/day82.9%6.5 m/s13.6 hours
March16.9 °C13.5° to 19.4°2.5 mm/day81.6%6.6 m/s12.3 hours
April15.6 °C11.8° to 18.1°3.4 mm/day80.9%6.6 m/s10.9 hours
May14.3 °C10.4° to 17°3.5 mm/day80.4%7.1 m/s9.7 hours
June12.7 °C9° to 15.4°4.4 mm/day79.4%7.4 m/s9.1 hours
July11.8 °C8.4° to 14.3°3.9 mm/day79.7%7.4 m/s9.4 hours
August11.7 °C8.3° to 13.8°3.9 mm/day80.3%7.1 m/s10.4 hours
September12.1 °C8.5° to 14.2°3.7 mm/day82%7.6 m/s11.8 hours
October12.9 °C9.2° to 15°3.4 mm/day82.9%7.6 m/s13.2 hours
November13.9 °C10.5° to 16.4°2.6 mm/day82.4%7.6 m/s14.3 hours
December15.5 °C12.2° to 18°2.8 mm/day84.3%6.9 m/s14.9 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
August: 11.7 °C
February: 17.7 °C
Change from August to February: +6 °C
Precipitation
August: 3.9 mm/day
February: 2.2 mm/day
Change from August to February: -1.7 mm/day
Daylight
August: 10.4 hours
February: 13.6 hours
Change from August to February: +3.1 hours
Calculated climate highlights

Comparing twelve monthly normals for temperature, precipitation, wind, and daylight duration

Calculated Monthly Climate Contrasts and Normals for Stephens Island, New Zealand

These calculated monthly averages summarize temperature, precipitation, humidity, wind speed, and daylight duration across the representative coordinate for Stephens Island, New Zealand. Such comparative normals reflect statistical baselines from stored climatology records rather than recorded weather extremes or uniform park conditions.
Warmest month
February17.7 °C
Coolest month
August11.7 °C
Wettest month
June4.4 mm/day
Driest month
January2.1 mm/day
Most humid month
December84.3%
Windiest month
October7.6 m/s
Longest daylight
December14.9 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 protected landscapes

Compare Stephens Island (New Zealand) Climate Profiles With Other National Parks

Examine long-term monthly normals across different protected areas to evaluate how atmospheric rhythms vary by region. Standardized metric comparisons reveal distinct seasonal patterns in temperature, precipitation, humidity, wind, and daylight across diverse geographic settings.
MoriAtlas Explorer

Explore the Geographic Boundaries and Landscape Context of Stephens Island (New Zealand)

Dive into the rugged terrain and maritime isolation of this important New Zealand nature reserve through the MoriAtlas structured database. Gain context on how this island refuge interacts with the broader marine environment and geological formations of the Marlborough Region.

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Stephens Island (New Zealand) Protected Area

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