Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kudamatsu enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 38°F in January while summers reach 76°F in July. The area gets 201 sunny days per year. Annual precipitation totals 74.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
38°F Jan (3°C)76°F Jul (25°C)
Annual Average
57.3°F
6% above US avg
January Average
38°F (3°C)
July Average
76°F (25°C)
Sunny Days
201 days/yr
Geography
Elevation
43 ft (13 m)
Area
34.5 sq mi (89.4 km²)
Population Density
1,620/sq mi
Coordinates
34.0096°N, 131.8664°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall74.2"
95% above US avg
Snowfall0.0"
Wettest Month (Jun)12.13"
Driest Month (Dec)2.09"
Air Quality
Earthquake History
188 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.8.
Mar 24, 2001
16 km SSW of Kure, Japan
M6.8
61 km
50 km
Mar 13, 2014
32 km SSW of Hikari, Japan
M6.3
36 km
79 km
Apr 17, 2024
18 km W of Uwajima, Japan
M6.3
96 km
32 km
Jun 11, 2006
15 km S of Tsukawaki, Japan
M6.3
118 km
140 km
Jan 21, 2022
27 km SSE of Saiki, Japan
M6.3
143 km
39 km
Jun 25, 1997
17 km E of Hagi, Japan
M5.9
49 km
10 km
Apr 25, 2001
18 km SE of Saiki, Japan
M5.7
133 km
33 km
Apr 15, 2016
10 km NE of Aso, Japan
M5.5
130 km
13 km
Jul 12, 2015
12 km SSW of Usuki, Japan
M5.5
110 km
53 km
Apr 18, 2016
8 km NNE of Aso, Japan
M5.5
132 km
10 km
May 22, 1998
9 km NE of Bungo-Takada-shi, Japan
M5.5
54 km
81 km
Apr 15, 2016
5 km WSW of Aso, Japan
M5.4
144 km
4 km
Jul 17, 2021
29 km NE of Kitsuki, Japan
M5.2
44 km
64 km
Mar 25, 2001
22 km WNW of H?j?, Japan
M5.2
62 km
43 km
Oct 28, 1991
13 km SSW of Ube, Japan
M5.2
63 km
17 km
Apr 2, 1997
34 km WSW of ?zu, Japan
M5.1
80 km
46 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
147 km
50 km
Apr 15, 2016
13 km SW of Saiki, Japan
M5.1
128 km
10 km
Apr 15, 2016
11 km WSW of Beppu, Japan
M5.1
96 km
10 km
Feb 18, 2018
27 km SE of Saiki, Japan
M5.0
137 km
42 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
52 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2024
Shanshan
Category 1
86 mph
222 km
2022
Nanmadol
Category 2
98 mph
126 km
2022
Hinnamnor
Category 1
81 mph
278 km
2020
Haishen
Category 2
98 mph
255 km
2019
Francisco
Category 1
81 mph
170 km
2018
Jebi
Category 3
98 mph
239 km
2018
Trami
Category 1
98 mph
217 km
2018
Cimaron
Category 1
92 mph
255 km
2018
Prapiroon
Category 1
69 mph
247 km
2017
Noru
Category 1
69 mph
193 km
2016
Malakas
Category 1
86 mph
203 km
2015
Goni
Category 3
104 mph
126 km
2015
Nangka
Category 1
86 mph
252 km
2014
Halong
Category 1
81 mph
174 km
2011
Ma-on
Category 1
86 mph
191 km
2008
Sinlaku
Category 1
75 mph
267 km
2007
Usagi
Category 2
92 mph
53 km
2007
Man-yi
Category 1
86 mph
170 km
2006
Shanshan
Category 1
92 mph
135 km
2005
Nabi
Category 2
92 mph
103 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
6 tsunamis recorded within 500 km.
Highest wave on record: 10.0 m (33 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1026
OFF MASUDA, SHIMANE PREFECTURE
Earthquake
10.0 m
1,001
88 km
1596
BEPPU BAY, KYUSHU
Eruption + Earthquake
8.0 m
708
80 km
1872
SW. HONSHU ISLAND
Earthquake
3.0 m
804
100 km
1715
SEIKAIDO
Earthquake
—
—
80 km
1698
SEIKAIDO-NANKAIDO
Earthquake
—
—
80 km
1597
BEPPU BAY, JAPAN
Eruption + Earthquake
—
40
83 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km.
Closest: Abu (60 km).
Name
Type
Elevation
Last Eruption
Distance
Abu
Shield(s)
641 m (2,103 ft)
-6850
60 km
Yufu-Tsurumi
Lava dome(s)
1,584 m (5,197 ft)
867
92 km
Kujusan
Stratovolcano(es)
1,791 m (5,876 ft)
1996
118 km
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
144 km
Asosan
Caldera
1,592 m (5,223 ft)
2020
144 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
38°F (3°C)
2.4 in
Coldest
February
39°F (4°C)
3.2 in
March
45°F (7°C)
5.1 in
April
54°F (12°C)
7.7 in
May
62°F (17°C)
7.9 in
June
69°F (21°C)
12.1 in
Wettest
July
76°F (25°C)
11.9 in
August
78°F (26°C)
6.1 in
Warmest
September
71°F (22°C)
8.3 in
October
61°F (16°C)
4.4 in
November
52°F (11°C)
3.1 in
December
42°F (6°C)
2.1 in
Driest
Kudamatsu has a seasonal temperature swing of 40°F / from 38°F in January to 78°F in August. Total annual precipitation is 74.2 inches, with June being the wettest month (12.1") and December the driest (2.1").