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Park climate1991–2020 climate normals371 m source elevationNASA POWER

Twelve month analysis of atmospheric averages based on the 1991 to 2020 NASA POWER climatology record

Whanganui National Park Monthly Climate Normals: Temperature, Precipitation, and Atmospheric Data

Analyze the long-term annual climate rhythm of Whanganui National Park through systematic monthly averages. This profile provides data for average minimum and maximum temperatures, daily precipitation rates, relative humidity, wind speed, and daylight hours. Measurements are derived from a single representative point at an elevation of 371.19 meters and reflect sustained climatology rather than localized microclimates or short-term weather patterns.

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Annual climate pattern

Examine long term monthly thermal ranges and average daily precipitation trends across the calendar

Whanganui National Park Monthly Climate: Annual Temperature and Precipitation Patterns

Monthly mean temperatures in Whanganui National Park peak in February at 16.66 degrees Celsius, with average minimums slipping below freezing by July. Average daily precipitation ranges from 2.32 millimeters in January to 3.91 millimeters in June, based on 1991 to 2020 data at a representative elevation of 371.19 meters.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 3.9 mm/day-5°0°5°10°15°20°25°30°16°17°15°12°10°8°7°7°9°10°12°14°012342.32.42.33.33.53.93.63.43.43.32.83JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
11.4 °C
Warmest month
February
Coolest month
July
Wettest month
June
Twelve-month climate

Comparing long-term temperature trends, daily precipitation rates, and calculated daylight across the calendar year

Whanganui National Park Weather by Month: Complete Twelve-Month Climate Normals

Evaluating the twelve calendar months of Whanganui National Park reveals distinct seasonal shifts in average temperatures alongside average daily precipitation rates. NASA POWER climatology records from 1991 to 2020, sampled at a representative elevation of 371.19 meters, integrate average temperature bounds, relative humidity, wind speed, and calculated daylight hours to map the regional environment.
Mean temperaturePrecipitationHumidityWind speedDaylight
January16.1 °C5.9° to 26°2.3 mm/day79.2%4.9 m/s14.5 hours
February16.7 °C6.8° to 26.3°2.4 mm/day78.2%4.5 m/s13.5 hours
March14.8 °C5° to 24.7°2.3 mm/day79.9%4.6 m/s12.3 hours
April12.1 °C2.8° to 21.3°3.3 mm/day85.2%4.6 m/s10.9 hours
May9.8 °C0.9° to 17.6°3.5 mm/day89.6%4.9 m/s9.8 hours
June7.6 °C-1° to 15.1°3.9 mm/day92%5 m/s9.3 hours
July6.7 °C-1.3° to 13.6°3.6 mm/day91.7%5 m/s9.5 hours
August7.2 °C-1.3° to 14.5°3.4 mm/day90.1%5 m/s10.5 hours
September8.7 °C-0.4° to 16.9°3.4 mm/day88%5.4 m/s11.8 hours
October10.4 °C0.7° to 18.9°3.3 mm/day86%5.6 m/s13.1 hours
November12 °C2.5° to 20.9°2.8 mm/day83.3%5.5 m/s14.2 hours
December14.4 °C4.6° to 23.4°3 mm/day82.5%5.1 m/s14.8 hours
Calculated climate highlights

Identifying the warmest, coolest, wettest, and driest periods using long-term regional averages.

Whanganui National Park Monthly Climate Highlights and Calculated Averages

Climatological records from a representative coordinate in Whanganui National Park show how temperature, precipitation, humidity, wind, and daylight duration fluctuate over the annual cycle. Comparing these calculated monthly maxima and minima helps clarify seasonal transitions without relying on extreme weather events or generalizing across the entire protected territory.
Warmest month
February16.7 °C
Coolest month
July6.7 °C
Wettest month
June3.9 mm/day
Driest month
January2.3 mm/day
Most humid month
June92%
Windiest month
October5.6 m/s
Longest daylight
December14.8 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

Standardized temperature and precipitation metrics across diverse geographic settings and protected landscapes

Compare Whanganui National Park Climate Profiles with Other Regional and National Parks

Expanding a climate search from Whanganui National Park to other protected landscapes within the region and country reveals the atmospheric diversity of different geographic settings. Comparing standardized monthly baselines for temperature, precipitation, humidity, wind, and daylight establishes clear context for contrasting regional weather patterns without assuming identical environmental conditions.
MoriAtlas Explorer

Continue Exploring Whanganui National Park's Geography and Mapped Boundaries

Deepen your understanding of Whanganui National Park's protected landscape, its place within the broader regional geography, and the unique characteristics that define this significant area. Discover the mapped terrain and context that make Whanganui National Park a distinct entry in New Zealand's atlas of protected lands.

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Whanganui National Park Protected Landscape

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