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Park climate1991–2020 climate normals26 m source elevationNASA POWER

Monthly average values for temperature, precipitation, wind, and daylight at a representative coordinate.

Mercury Islands Climate Normals: Detailed Annual Patterns and Atmospheric Data Measurements

Examine the twelve-month climatology profile for Mercury Islands based on NASA POWER data from 1991 to 2020. Measurements include mean, minimum, and maximum temperatures alongside average daily precipitation, relative humidity, wind speed, and daylight hours at a single representative elevation of 25.81 meters. These long-term averages provide a structured look at annual atmospheric patterns without accounting for current weather, daily fluctuations, or broader microclimate variations across the island group.

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Annual climate pattern

Long term monthly thermal range and average daily precipitation cycles across the calendar year

Mercury Islands Annual Climate Normals: Monthly Average Temperatures and Precipitation Patterns

Average monthly temperatures span from late summer peaks down to winter lows, tracking long term thermal normals across the coordinate. Average daily precipitation rates accompany this twelve month temperature cycle based on historical NASA Power climatology records.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 3.7 mm/day5°10°15°20°25°20°20°19°18°16°14°13°13°14°15°16°18°012341.82.22.32.83.13.33.73.42.82.31.82.4JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
16.4 °C
Warmest month
February
Coolest month
August
Wettest month
July
Twelve-month climate

Analyze average temperature bounds, precipitation rates, humidity, wind, and daylight across the annual cycle.

Mercury Islands Weather by Month: Complete Twelve-Month Climate Comparison

Examine the complete twelve-month climate record for Mercury Islands using long-term NASA Power normals from 1991 to 2020. Compare average minimum and maximum temperatures alongside daily precipitation, relative humidity, wind speed, and calculated daylight across the full calendar year.
Mean temperaturePrecipitationHumidityWind speedDaylight
January19.5 °C15.6° to 22.9°1.8 mm/day78.1%5.3 m/s14.2 hours
February20.3 °C16.9° to 23.4°2.2 mm/day78.2%5.2 m/s13.4 hours
March19.4 °C16° to 22.5°2.3 mm/day77%5.5 m/s12.2 hours
April17.9 °C13.7° to 21.1°2.8 mm/day77.6%5.6 m/s11.1 hours
May16.2 °C12° to 19.2°3.1 mm/day78.5%6.3 m/s10 hours
June14.3 °C10.3° to 17.6°3.3 mm/day79.1%6.7 m/s9.5 hours
July13.4 °C9.4° to 16.2°3.7 mm/day79.6%6.7 m/s9.8 hours
August13.1 °C9.4° to 16°3.4 mm/day79.7%6.5 m/s10.7 hours
September13.8 °C10° to 16.6°2.8 mm/day80.1%6.3 m/s11.8 hours
October14.7 °C11° to 17.9°2.3 mm/day79.5%6.3 m/s13 hours
November16.1 °C12.4° to 19.6°1.8 mm/day78.1%6.1 m/s14 hours
December18.1 °C14.2° to 21.4°2.4 mm/day79.2%5.6 m/s14.5 hours
Calculated climate highlights

Comparing long term monthly norms for temperature, wind, and precipitation

Mercury Islands Calculated Monthly Climate Contrasts and Averages

Calculated monthly comparisons highlight the warmest, coolest, wettest, and windiest periods derived from stored climatology records for Mercury Islands. These metrics represent long term average normals rather than recorded weather extremes or uniform conditions across the protected area.
Warmest month
February20.3 °C
Coolest month
August13.1 °C
Wettest month
July3.7 mm/day
Driest month
January1.8 mm/day
Most humid month
September80.1%
Windiest month
July6.7 m/s
Longest daylight
December14.5 hours

Interactive climate map

Compare National Park Climate Data Through an Interactive Global Map

Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.

Global National Park Climate Map
Other park climates

Explore monthly temperature and precipitation data across diverse protected landscapes

Comparing Mercury Islands Climate Profiles With Other Protected Areas

Examine long term monthly temperature, precipitation, humidity, wind, and daylight patterns across distinct protected areas to observe broader atmospheric variations. Standardized monthly metrics allow for detailed comparative analysis of different geographic settings without implying direct climatic equivalence.
MoriAtlas Explorer

Continue Exploring the Mercury Islands Nature Reserve Landscape

Analyze the geological structure and conservation significance of the Mercury Islands. This MoriAtlas entry provides detailed geographic context on the island chain, its volcanic origins, and its role as a protected refuge for New Zealand's coastal seabird populations.

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Mercury Islands Nature Reserve Atlas

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