Sejong City, South Korea: What to pack, what to wear, and when to go [2021]

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Traveling to Sejong City, South Korea? If you're planning to go to Sejong City, this is some important information about when to go, what to wear, and what to pack.

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When to go to Sejong City, South Korea

Based on the climate and weather in Sejong City, the best time to go is September. See below for details.

Important esssentials for Sejong City, South Korea

Here are some general tips on what to wear in Sejong City, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Sejong City, South Korea by month

January

January is freezing, somewhat snowy and very hazy. Temperatures average in the 30s F (single digits C) during the day. It rains once in a while and snows regularly.

What to wear/what to pack:

February

February here is pretty cool and somewhat hazy. Temperatures average in the high 30s F (single digits C) during the day. It rains sometimes and snows about a third of the time.

What to wear/what to pack:

March

If you visit Sejong City during March, you are likely to find that it can be very chilly, somewhat rainy and very hazy. Temperatures tend to hover around the low 50s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits C).

Humidity is generally between 40 and 50% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month and snow once in a while.

What to wear/what to pack:

April

If you vacation in Sejong City during April, you might see that it is chilly, somewhat rainy and very hazy. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the low 40s F (single digits C).

Humidity is generally between 40 and 50% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

May

If you visit Sejong City during May, you may notice that it is warm, somewhat rainy and very hazy. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the low 50s F (low 10s C).

Humidity is generally between 40 and 50% during the day. In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

June

June in Sejong City is extremely warm, somewhat rainy and very hazy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s C).

What to wear/what to pack:

July

If you go to Sejong City in July, you will notice that it is extremely warm, very rainy and somewhat hazy. Expect it to rain about half of the time. Daytime temperatures are in the 80s F (high 20s C).

What to wear/what to pack:

August

In August, Sejong City is really hot, very rainy and somewhat hazy. Temperatures routinely are in the 80s F (low 30s C) and about a third of the time jump into the low 90s F (low 30s C) range. At night, lows are in the low 60s F (low 20s C).

This is also a rainy time for Sejong City, with more than half of the days of the month having rain. In August, humidity reaches as high as 70%.

What to wear/what to pack:

September

September in this region is a perfect temperature and somewhat rainy. Temperatures average in the high 70s F (mid 20s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

October

October in Sejong City is balmy and somewhat hazy. The average overnight temperatures in the area are in the low 40s F (single digits C), with a few days below 32 F (single digits C).

It tends to rain 5-10 days this month. With the colder weather comes lower humidity, which is in the 40% to 50% range on average.

What to wear/what to pack:

November

November in Sejong City can be brisk, somewhat rainy and somewhat hazy. The average overnight temperatures in the area are in the low 30s F (single digits C).

It tends to rain 5-10 days this month. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

December

December in Sejong City is pretty cool and somewhat hazy. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C), with a few days below 10 F (10+ below zero C). It tends to rain 5-10 days this month.

It also snows a bit less than half of the time. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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