The best times to visit Namdaemun for ideal weather are

April 30th to June 24th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Namdaemun Travel Info

Weather in Namdaemun


Average temperatures in Namdaemun vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 31st percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Namdaemun, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 88.1°F (31.2°C) with temperatures rarely dropping below 76.1°F (24.5°C) at night.

Namdaemun Temperatures (Fahrenheit)


Namdaemun Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Namdaemun Perceived Temperature (F)


Namdaemun Perceived Temperature (C)



Average Namdaemun Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 34.6 27.5 20
Feb 41.5 33.7 25.8
Mar 50.9 42.4 33.9
Apr 62.9 53.7 44.8
May 74.8 65.2 55.9
Jun 82.3 73.6 65.9
Jul 83.8 77.4 71.8
Aug 86 79.1 73.1
Sep 79.3 71.1 63.3
Oct 68.9 59.6 50.6
Nov 53.2 45.5 37.8
Dec 37.9 30.7 23.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 1.4 -2.5 -6.7
Feb 5.3 0.9 -3.4
Mar 10.5 5.8 1.1
Apr 17.2 12.1 7.1
May 23.8 18.4 13.3
Jun 27.9 23.1 18.8
Jul 28.8 25.2 22.1
Aug 30 26.2 22.8
Sep 26.3 21.7 17.4
Oct 20.5 15.3 10.3
Nov 11.8 7.5 3.2
Dec 3.3 -0.7 -4.9



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Namdaemun are January, December, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid January. For example, on the week of January 8th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late July with an average of 4 days of significant precipitation the week of July 23rd.

When can you find snow in Namdaemun? Weather stations report moderate or seasonal snow likely to be deepest around February, especially close to early February. The best time to ski (if at all) in Namdaemun is often around around January 29th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Namdaemun.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Namdaemun (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 6% 2 0.6
Feb 9% 2.3 1.2
Mar 14% 0.8 2
Apr 21% 0 3.1
May 17% 0 3.4
Jun 19% 0 6.4
Jul 38% 0 19
Aug 36% 0 11.2
Sep 21% 0 7.3
Oct 14% 0 2.1
Nov 18% 0.4 2.1
Dec 8% 1.3 0.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 6 5.1 1.5
Feb 9 5.8 3
Mar 14 2 5.1
Apr 21 0 7.9
May 17 0 8.6
Jun 19 0 16.3
Jul 38 0 48.3
Aug 36 0 28.4
Sep 21 0 18.5
Oct 14 0 5.3
Nov 18 1 5.3
Dec 8 3.3 2.3


Humidity and Wind

Namdaemun has some humid months, and slightly dry months in the opposite season. The least humid month is February (39.5% relative humidity), and the most humid month is July (69.1%).

Wind in Namdaemun is usually calm. The windiest month is March, followed by April and May. March’s average wind speed of around 6 knots (6.8 MPH or 11 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early April where average top sustained speeds reach 10.3 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Namdaemun.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 4.8 Light breeze 7.6 Gentle breeze
Feb 5.1 Light breeze 8.3 Gentle breeze
Mar 6 Light breeze 9.6 Gentle breeze
Apr 5.8 Light breeze 10 Gentle breeze
May 5.4 Light breeze 9.1 Gentle breeze
Jun 4.9 Light breeze 8.1 Gentle breeze
Jul 5.1 Light breeze 8.4 Gentle breeze
Aug 5 Light breeze 8 Gentle breeze
Sep 4.3 Light breeze 7.2 Gentle breeze
Oct 4.3 Light breeze 7.4 Gentle breeze
Nov 4.9 Light breeze 8.1 Gentle breeze
Dec 5 Light breeze 7.9 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 40.5%
Feb 39.5%
Mar 41%
Apr 42.3%
May 46.5%
Jun 54%
Jul 69.1%
Aug 65.2%
Sep 56.1%
Oct 49.1%
Nov 48.9%
Dec 44.4%


Is it Safe to Travel to Namdaemun?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for South Korea; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 30, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Namdaemun, South Korea is April, followed by March and September. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Namdaemun in July. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 56.7 in July means 56.7% of the tourists vs. April.



Overall Namdaemun Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 79.1°F (26.2°C) and 46°F (7.8°C) with far warmer temperatures in the later months. Rain is somewhat common with 4 to 6 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 6 to 12 days of precipitation per month. June – August is the slowest season for tourism in Namdaemun, so lodging and other accommodations may cost less than usual.

Fall (September through November)

Fall daily highs range from 81.4°F (27.4°C) and 47°F (8.3°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 4 to 6 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Namdaemun to be enjoyable for warm weather travelers. The average high during this season is between 47.5°F (8.6°C) and 32.2°F (0.1°C). On average, it rains or snows a smalll amount: consistently 2 times per month. These times of year are the second busiest with tourists.


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