Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Suwon weather records

Record high and low temperatures for Suwon, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 38°C on 2018-08-15; its coldest fell to -22°C on 2010-01-07.

Records by month

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.

MonthDaytime highOvernight low
January
15°C2002-01-14
-14°C1986-01-05
8°C2002-01-14
-22°C2010-01-07
February
18°C2021-02-21
-9°C2013-02-07
10°C1992-02-28
-16°C1980-02-07
March
25°C2025-03-26
-2°C2006-03-12
15°C2009-03-18
-9°C2010-03-18
April
29°C2005-04-30
5°C1993-04-08
19°C2005-04-30
-1°C1987-04-13
May
31°C2019-05-24
12°C1990-05-04
22°C2018-05-16
4°C1991-05-04
June
35°C2024-06-19
17°C1998-06-03
27°C2022-06-27
9°C1981-06-01
July
36°C2025-07-08
20°C1980-07-01
28°C1994-07-28
16°C1996-07-09
August
38°C2018-08-15
20°C1996-08-26
28°C2014-08-01
14°C2022-08-27
September
33°C2024-09-11
15°C1987-09-26
26°C2024-09-19
6°C2010-09-29
October
29°C2006-10-05
7°C1982-10-24
21°C2021-10-04
-3°C1986-10-30
November
25°C2023-11-02
-2°C2022-11-30
17°C2023-11-05
-11°C1996-11-30
December
18°C2023-12-09
-8°C1980-12-29
9°C2018-12-03
-19°C2000-12-26

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
18°C2021-02-21
-14°C1986-01-05
10°C1992-02-28
-22°C2010-01-07
Spring (Mar–May)
31°C2019-05-24
-2°C2006-03-12
22°C2018-05-16
-9°C2010-03-18
Summer (Jun–Aug)
38°C2018-08-15
17°C1998-06-03
28°C2014-08-01
9°C1981-06-01
Autumn (Sep–Nov)
33°C2024-09-11
-2°C2022-11-30
26°C2024-09-19
-11°C1996-11-30

All-time records

The most extreme value Suwon has recorded for each metric across its entire history.

High

Highest 38°C 2018-08-15
Lowest -14°C 1986-01-05

Low

Highest 28°C 2014-08-01
Lowest -22°C 2010-01-07

Feels-like

Highest 57°C 2018-08-15
Lowest -33°C 2003-01-05

Humidity

Highest 25.4 g/m³ 2017-07-21
Lowest 0.8 g/m³ 1990-01-25

Wind

Highest 53 km/h 2019-09-07
Lowest 5 km/h 1991-12-18

Gust

Highest 119 km/h 2012-08-28
Lowest 12 km/h 1996-12-30

Precip

Wettest 145 mm 1987-08-07
Driest 14-day dry spell 1992-03-25

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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