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Park climate1991–2020 climate normals34 m source elevationNASA POWER

Detailed monthly cycles of temperature, precipitation, humidity, and daylight duration.

Forest Grove National Park Climate: Annual Monthly Averages and Atmospheric Patterns (1991 to 2020)

This profile presents long-term climate normals derived from NASA POWER measurements for a representative coordinate within Forest Grove National Park. It provides a standardized data set covering twelve months of average temperature, precipitation rates, humidity, wind, and daylight hours. Readers can compare these multi-year averages to understand the consistent annual atmospheric rhythm of the park, recognizing that local terrain may influence actual conditions at different locations.

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Annual climate pattern

Comparing twelve months of average daily precipitation rates and long term temperature ranges at low elevation

Forest Grove National Park Monthly Temperature Patterns and Precipitation Normals

Long term climate data for Forest Grove National Park show average maximum temperatures peaking above 30 degrees Celsius in January and February, then sliding to average minimums of about 9 degrees Celsius in August. Average daily precipitation rises from under 0.5 millimeters in drier months to nearly 4.0 millimeters in June, based on representative measurements from 1991 to 2020.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 4 mm/day5°10°15°20°25°30°35°20°21°20°19°17°16°15°14°14°15°17°19°012340.50.50.81.42.843.93.12.51.210.5JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
17.2 °C
Warmest month
February
Coolest month
August
Wettest month
June
Twelve-month climate

Analyzing long term monthly temperature averages, precipitation rates, and calculated daylight.

Forest Grove National Park Weather by Month: Twelve Month Climate Comparison

Long term climate normals for Forest Grove National Park, sampled at 34.37 meters elevation, trace monthly changes in average minimum, mean, and maximum temperatures alongside average daily precipitation rates. Comparing twelve monthly records spanning relative humidity, average wind speed, and calculated daylight hours from 1991 to 2020 provides an essential baseline of the regional landscape climate.
Mean temperaturePrecipitationHumidityWind speedDaylight
January20.2 °C14.3° to 30.7°0.5 mm/day68.2%7.1 m/s14 hours
February20.7 °C14.6° to 30.5°0.5 mm/day68.4%7 m/s13.2 hours
March20 °C14.1° to 30.1°0.8 mm/day70%6.6 m/s12.2 hours
April18.7 °C13° to 26.7°1.4 mm/day72.3%5.7 m/s11.1 hours
May17.1 °C11.8° to 23.3°2.8 mm/day73.9%6 m/s10.2 hours
June15.6 °C10.8° to 20.6°4 mm/day75.7%6.8 m/s9.8 hours
July14.6 °C9.9° to 19.6°3.9 mm/day76.3%6.9 m/s10 hours
August14.3 °C9.4° to 19.2°3.1 mm/day76.6%6.8 m/s10.8 hours
September14.4 °C9.4° to 20°2.5 mm/day76.5%6.7 m/s11.8 hours
October15.3 °C9.8° to 22.9°1.2 mm/day76%6.2 m/s12.9 hours
November17.1 °C11.2° to 26.4°1 mm/day72.9%6.4 m/s13.8 hours
December18.9 °C12.7° to 29.3°0.5 mm/day69.2%6.7 m/s14.2 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: 14.3 °C
February: 20.7 °C
Change from August to February: +6.4 °C
Precipitation
August: 3.1 mm/day
February: 0.5 mm/day
Change from August to February: -2.7 mm/day
Daylight
August: 10.8 hours
February: 13.2 hours
Change from August to February: +2.5 hours
Calculated climate highlights

Comparing average temperature, precipitation, wind, and daylight duration to trace annual patterns

Calculated Monthly Climate Highlights for Forest Grove National Park

Structured climate profiles for Forest Grove National Park highlight the warmest, coolest, wettest, driest, windiest, and longest daylight months using long term averages. Modeled parameters from regional climatology establish an objective baseline of monthly contrasts rather than reflecting exceptional weather records or visitor travel advice.
Warmest month
February20.7 °C
Coolest month
August14.3 °C
Wettest month
June4 mm/day
Driest month
February0.5 mm/day
Most humid month
August76.6%
Windiest month
January7.1 m/s
Longest daylight
December14.2 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

Explore monthly climate normals and geographic variations across regional protected landscapes

Compare Forest Grove National Park Climate Profiles with Other Protected Landscapes

Expanding your geographic research from Forest Grove National Park allows you to browse the monthly climate profiles of various regional parks and protected areas. Standardized measurements clarify how long term temperature, precipitation, humidity, and daylight patterns shift across different elevations and distinct terrains.
MoriAtlas Explorer

Continue Exploring Forest Grove National Park's Protected Landscape and Regional Geography

Deepen your understanding of Forest Grove National Park by examining its specific protected boundaries and its position within the broader Jarrah Forest bioregion of Western Australia. This exploration reveals the park's contribution to the mapped natural landscapes of the Margaret River region, offering detailed geographic context beyond its individual park identity.

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Forest Grove National Park Atlas

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