Park climate1991–2020 climate normals54 m source elevationNASA POWER

Detailed monthly climate profiles covering long-term temperature, precipitation, and daylight.

Hallasan National Park: monthly climate

Name: Hallasan National Park monthly climate normals
Creator: NASA POWER

At the representative location for Hallasan National Park, monthly mean temperatures range from 7.5 to 26.6 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.

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Annual climate pattern

Mapping twelve months of long-term temperature ranges and daily precipitation trends

Annual Climate Patterns and Monthly Temperature Cycles in Hallasan National Park

Baseline climatology records from a representative coordinate show average temperatures climbing from a January mean of 7.48 degrees Celsius to an August peak mean of 26.6 degrees Celsius. Daily precipitation averages track the warming pattern, rising from 1.67 millimeters in December to 8.76 millimeters in August, though conditions vary across the broader Hallasan landscape.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 16.1 °C
Warmest month: August
Coolest month: January
Wettest month: August

Twelve-month climate

Compare seasonal climatology trends using long term monthly averages for temperature, wind, and daylight.

Hallasan National Park Monthly Climate and Twelve Month Weather Normals

Comparing twelve month-by-month records for Hallasan National Park reveals distinct seasonal shifts in average minimum, mean, and maximum temperatures alongside average daily precipitation rates. Climatological data from 1991 to 2020 sampled at 53.71 meters elevation provides the baseline for comparing relative humidity, wind speed, and calculated average daylight hours.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	7.5 °C2.3° to 14.3°	1.8 mm/day	77%	7.7 m/s	10.1 hours
February	7.8 °C2.5° to 14.5°	2.2 mm/day	74.9%	7.3 m/s	10.8 hours
March	9.9 °C4.1° to 15.3°	3.3 mm/day	74.2%	6.7 m/s	11.8 hours
April	13.1 °C8° to 17.5°	4.3 mm/day	78.6%	5.7 m/s	12.9 hours
May	16.5 °C12.4° to 20.6°	4.5 mm/day	85%	4.9 m/s	13.7 hours
June	20.5 °C16.6° to 23.8°	6.5 mm/day	89%	4.4 m/s	14.2 hours
July	24.7 °C21.1° to 28°	7.7 mm/day	90.5%	5.1 m/s	14 hours
August	26.6 °C23.5° to 29°	8.8 mm/day	84.8%	5.3 m/s	13.2 hours
September	23.5 °C19.8° to 27°	6 mm/day	79.8%	5.7 m/s	12.2 hours
October	19.2 °C13.9° to 23.7°	2.6 mm/day	73.9%	6.2 m/s	11.1 hours
November	14.4 °C8.3° to 20.2°	2.4 mm/day	73.9%	6.4 m/s	10.3 hours
December	9.7 °C4.3° to 16.4°	1.7 mm/day	75.6%	7.4 m/s	9.8 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: January: 7.5 °C; August: 26.6 °C; Change from January to August: +19.1 °C
Precipitation: January: 1.8 mm/day; August: 8.8 mm/day; Change from January to August: +7 mm/day
Daylight: January: 10.1 hours; August: 13.2 hours; Change from January to August: +3.1 hours

Calculated climate highlights

Comparing thirty-year historical climate averages to reveal seasonal transitions within Jeju Province.

Calculated Monthly Climate Highlights and Comparative Averages for Hallasan National Park

Climatological data from a representative park coordinate identify the warmest, coolest, wettest, and driest months using thirty-year average baselines. Comparing these monthly averages for temperature, wind, relative humidity, and daylight duration highlights seasonal contrasts across the calendar year rather than reflecting short-term weather anomalies.

Warmest month: August26.6 °C
Coolest month: January7.5 °C
Wettest month: August8.8 mm/day
Driest month: December1.7 mm/day
Most humid month: July90.5%
Windiest month: January7.7 m/s
Longest daylight: June14.2 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

Evaluate monthly weather profiles to contrast regional climates and environmental gradients

Compare Hallasan National Park Climate Normals with Other Protected Areas

Continuing from Hallasan National Park allows a direct transition to structured climate datasets for diverse conservation territories within the region and across the globe. Standardized measurements of monthly temperature, precipitation, humidity, wind, and daylight reveal how regional topography shapes local atmospheric conditions across different protected landscapes.

Climate profileSouth Korea