Park climate1991–2020 climate normals191 m source elevationNASA POWER

Long-term average temperature, precipitation, and wind patterns for a representative coordinate.

Round Island Wilderness Monthly Climate Normals: Twelve Month Atmospheric Data Profile

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

This profile details the twelve-month climate averages for Round Island Wilderness based on NASA POWER climatology data from 1991 to 2020. Measurements include mean, minimum, and maximum temperatures, average daily precipitation rates, relative humidity, wind speed, and daylight hours at a single representative point. These values provide an annual perspective on local atmospheric conditions and do not reflect current weather or short-term forecasts.

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A flat-style digital illustration showing a winding path along a coastline, a tall cliff with a waterfall, a lighthouse on a rocky point, and pink-tinted clouds in a light blue sky.

Annual climate pattern

Long-term thermal range and average daily precipitation cycles across all twelve calendar months

Round Island Wilderness Annual Climate Normals: Monthly Temperature and Precipitation Trends

Average minimum, mean, and maximum temperatures track a sustained annual cycle across the twelve months for Round Island Wilderness based on long-term records. Average daily precipitation rates accompany this thermal progression at a representative elevation without indicating live weather conditions.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 5.6 °C
Warmest month: August
Coolest month: January
Wettest month: October

Twelve-month climate

Analyze long term monthly averages for temperature bounds, precipitation rates, and daylight hours

Round Island Wilderness Weather by Month: Complete Twelve Month Climate Comparison

Examine average minimum, mean, and maximum temperatures alongside average daily precipitation rates across the full calendar year. Compare relative humidity, wind speed, and calculated daylight hours to understand the complete monthly climate normals at a representative coordinate.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-7.1 °C-19.7° to 2.5°	1.7 mm/day	93.5%	5.6 m/s	8.9 hours
February	-6.7 °C-18.8° to 2.5°	1.3 mm/day	92%	5.6 m/s	10.1 hours
March	-2.7 °C-15.7° to 8.4°	1.6 mm/day	86.5%	4.9 m/s	11.7 hours
April	2.9 °C-6° to 14.7°	2.5 mm/day	80.9%	4.5 m/s	13.3 hours
May	8.4 °C-0° to 19.9°	2.4 mm/day	81.7%	3.7 m/s	14.7 hours
June	13.9 °C4.9° to 23.1°	2.7 mm/day	82.8%	3.3 m/s	15.5 hours
July	17.9 °C9.6° to 25.7°	2.6 mm/day	81.7%	3.4 m/s	15.1 hours
August	18.3 °C10.9° to 26°	2.6 mm/day	80.4%	3.6 m/s	13.9 hours
September	14.8 °C5.7° to 24°	3.1 mm/day	80.4%	4.1 m/s	12.3 hours
October	8.3 °C0.2° to 19°	3.3 mm/day	82.4%	4.7 m/s	10.6 hours
November	2.4 °C-6.3° to 11.5°	2.4 mm/day	85.1%	5.2 m/s	9.2 hours
December	-3.1 °C-14.6° to 5.3°	1.9 mm/day	90.4%	5.4 m/s	8.5 hours

Calculated climate highlights

Comparing long-term monthly averages for temperature extremes, precipitation rates, relative humidity, wind speed, and daylight duration.

Round Island Wilderness Monthly Climate Highlights: Calculated Temperature, Precipitation, Wind, and Daylight Normals

Calculated monthly normals from NASA POWER climatology records identify the warmest, coolest, wettest, and windiest periods across the sampled coordinate of Round Island Wilderness. These comparative monthly averages summarize annual environmental patterns without indicating observed weather extremes or localized conditions.

Warmest month: August18.3 °C
Coolest month: January-7.1 °C
Wettest month: October3.3 mm/day
Driest month: February1.3 mm/day
Most humid month: January93.5%
Windiest month: February5.6 m/s
Longest daylight: June15.5 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, precipitation, and geographic atmospheric patterns across protected landscapes.

Compare Round Island Wilderness Climate Profiles With Other National Parks

Examine long-term monthly temperature and precipitation rhythms across different protected landscapes to understand atmospheric variety. Reviewing standardized climate normals helps trace how regional geography shapes wind, humidity, and daylight variation in diverse natural settings.