The climate of Jeju

Climate Table of Jeju

The climate table of Jeju shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Temp. max (°C)	9	10	15	18	23	25	30	31	26	22	17	11
Temp. min (°C)	4	5	8	12	16	20	24	26	22	17	11	6
Precipitation
Precipitation (mm)	74	74	84	133	107	157	218	245	265	134	69	55
Snow (cm)	6,9	2,7	0	0	0	0	0	0	0	0	0,1	5,8
UV Index	4	5	7	8	8	7	7	7	6	6	5	4

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

• Average yearly temperature: 20°C
• Highest temperature: 31°C in August
• Lowest temperature: 9°C in January
• Precipitation*: 1615 mm per year, averaging 135 mm per month
• Snowfall: 16 cm per year
• Driest months: 55 mm in December, 69 mm in November and 74 mm in January
• Wettest months: 265 mm in September, 245 mm in August and 218 mm in July

*Precipitation is measured as a combination of rain, snow, and hail

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Average Temperature per Month in Jeju

This graph shows the average maximum temperatures per month in Jeju, South Korea. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Average Precipitation per Month in Jeju

This graph shows how much precipitation Jeju, South Korea, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.

Average Snowfall per Month in Jeju

This graph shows how much snow Jeju, South Korea, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.

Average UV Index per Month in Jeju

This graph shows the average UV index per month in Jeju, South Korea. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

Yearly Temperature in Jeju

This graph shows the average yearly temperature in Jeju, South Korea. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Total Yearly Precipitation in Jeju

This chart shows the total yearly precipitation in Jeju, South Korea, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.

Total Yearly Snowfall in Jeju

This chart shows the total yearly snowfall in Jeju, South Korea, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.

Average Weather in Jeju by Month

Click on a month below to see detailed weather info for Jeju. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.