Park climate1991–2020 climate normals16 m source elevationNASA POWER

Twelve-month climate normals and atmospheric variables for a representative coordinate in Alaska.

Forrester Island Wilderness Climate: Annual Temperature, Precipitation, and Atmospheric Patterns

Name: Forrester Island Wilderness monthly climate normals
Creator: NASA POWER

Understand the long-term climatic rhythm of Forrester Island Wilderness through comprehensive monthly averages. These data points cover daily temperature ranges, precipitation rates, relative humidity, wind speed, and daylight hours derived from NASA POWER measurements between 1991 and 2020. Representing conditions at a specific 15.86-meter elevation point, the dataset offers a factual baseline for regional atmospheric patterns across the calendar year.

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A digital illustration of a dense, temperate forest featuring moss-covered fallen tree trunks in the foreground, vibrant green ferns, and layers of pine and birch trees leading to a soft, hazy horizon.

Annual climate pattern

Long term monthly temperature ranges and average daily precipitation rates across twelve months

Forrester Island Wilderness Annual Climate Normals, Monthly Temperature, and Precipitation Patterns

Average monthly temperatures span from sub-zero winter minimums to mid-teens summer maximums at a representative coordinate within Forrester Island Wilderness. Average daily precipitation rates shift across the calendar year, providing a baseline climatological reference derived from NASA Power records.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 8.3 °C
Warmest month: August
Coolest month: February
Wettest month: October

Twelve-month climate

Track long-term monthly temperature bounds, precipitation rates, humidity, wind, and daylight hours

Forrester Island Wilderness Weather by Month: Complete Twelve-Month Climate Record

Examine twelve months of baseline climate normals for Forrester Island Wilderness, covering average temperature ranges and daily precipitation rates across the calendar year. Compare relative humidity, wind speed, and calculated daylight hours to understand the full annual cycle at a representative coordinate.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	4.7 °C-1.8° to 8.6°	7.5 mm/day	84.5%	7.9 m/s	7.6 hours
February	4.7 °C-0.1° to 8.1°	6.1 mm/day	82.2%	7.3 m/s	9.4 hours
March	4.7 °C-0.4° to 8.1°	5.5 mm/day	81.3%	7 m/s	11.5 hours
April	6.3 °C2.9° to 10.1°	5 mm/day	83.6%	6.3 m/s	13.8 hours
May	8.4 °C5.3° to 12°	3.5 mm/day	86.7%	5.5 m/s	15.9 hours
June	10.5 °C8.1° to 14°	3.2 mm/day	88.8%	4.8 m/s	17 hours
July	12.5 °C10.4° to 14.8°	3.6 mm/day	91.7%	4.5 m/s	16.4 hours
August	13.5 °C11.7° to 16°	4.8 mm/day	90.9%	4.8 m/s	14.6 hours
September	12.4 °C9.7° to 14.8°	6.8 mm/day	87.8%	5.7 m/s	12.4 hours
October	9.9 °C5.9° to 12.8°	8.7 mm/day	83.4%	7.1 m/s	10.1 hours
November	7 °C2.1° to 10.7°	8.6 mm/day	82.5%	7.8 m/s	8.1 hours
December	5.5 °C-0.5° to 9.2°	8.4 mm/day	83.2%	8.2 m/s	7 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.

First month

Second month

Mean temperature: February: 4.7 °C; August: 13.5 °C; Change from February to August: +8.9 °C
Precipitation: February: 6.1 mm/day; August: 4.8 mm/day; Change from February to August: -1.3 mm/day
Daylight: February: 9.4 hours; August: 14.6 hours; Change from February to August: +5.3 hours

Calculated climate highlights

Comparative monthly averages for temperature, precipitation, humidity, wind, and daylight duration.

Forrester Island Wilderness Calculated Monthly Climate Highlights and Seasonal Extremes

Calculated monthly normals establish comparative highs and lows for temperature, precipitation, humidity, wind, and daylight duration across the sampled coordinate. These derived averages summarize long-term annual patterns without representing observed weather extremes or localized conditions.

Warmest month: August13.5 °C
Coolest month: February4.7 °C
Wettest month: October8.7 mm/day
Driest month: June3.2 mm/day
Most humid month: July91.7%
Windiest month: December8.2 m/s
Longest daylight: June17 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 temperature, precipitation, and daylight rhythms across diverse protected landscapes

Compare Forrester Island Wilderness Climate With Other Protected Area Profiles

Standardized monthly climate profiles enable systematic examination of long-term temperature patterns, precipitation rhythms, and atmospheric variations across different protected landscapes. Evaluating multiple geographic settings reveals broad meteorological contrasts rather than presupposing direct environmental equivalence or shared conditions.