Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Masaki-chō enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 40°F in January while summers reach 79°F in July. The area gets 212 sunny days per year. Annual precipitation totals 68.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 23 feet.
Temperature
40°F Jan (4°C)79°F Jul (26°C)
Annual Average
59.5°F
10% above US avg
January Average
40°F (4°C)
July Average
79°F (26°C)
Sunny Days
212 days/yr
Geography
Elevation
23 ft (7 m)
Area
7.9 sq mi (20.4 km²)
Population Density
3,877/sq mi
Coordinates
33.7876°N, 132.7112°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall68.4"
80% above US avg
Snowfall0.0"
Wettest Month (Jun)10.71"
Driest Month (Dec)2.20"
Air Quality
Earthquake History
174 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
37 km
50 km
Mar 13, 2014
32 km SSW of Hikari, Japan
M6.3
83 km
79 km
Apr 17, 2024
18 km W of Uwajima, Japan
M6.3
68 km
32 km
Jan 21, 2022
27 km SSE of Saiki, Japan
M6.3
133 km
39 km
Jun 25, 1997
17 km E of Hagi, Japan
M5.9
122 km
10 km
Apr 25, 2001
18 km SE of Saiki, Japan
M5.7
125 km
33 km
Jul 12, 2015
12 km SSW of Usuki, Japan
M5.5
123 km
53 km
May 22, 1998
9 km NE of Bungo-Takada-shi, Japan
M5.5
112 km
81 km
Mar 27, 2006
45 km SSE of Saiki, Japan
M5.5
142 km
35 km
Mar 2, 2017
39 km SSE of Saiki, Japan
M5.3
140 km
44 km
Oct 28, 1991
13 km SSW of Ube, Japan
M5.2
138 km
17 km
Jul 17, 2021
29 km NE of Kitsuki, Japan
M5.2
84 km
64 km
Mar 25, 2001
22 km WNW of H?j?, Japan
M5.2
30 km
43 km
Apr 26, 2007
15 km ESE of Niihama, Japan
M5.1
70 km
50 km
Apr 15, 2016
13 km SW of Saiki, Japan
M5.1
133 km
10 km
Apr 2, 1997
34 km WSW of ?zu, Japan
M5.1
66 km
46 km
Apr 15, 2016
11 km WSW of Beppu, Japan
M5.1
138 km
10 km
Jan 3, 1991
22 km W of ?zu, Japan
M5.0
50 km
63 km
Jun 3, 2011
9 km ENE of G?tsuch?, Japan
M5.0
142 km
10 km
Aug 14, 1993
19 km SW of ?zu, Japan
M5.0
55 km
41 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
55 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 4.
Year
Name
Category
Max Wind
Closest
2024
Shanshan
Category 2
98 mph
266 km
2023
Lan
Category 1
69 mph
277 km
2022
Nanmadol
Category 2
98 mph
196 km
2019
Francisco
Category 1
81 mph
219 km
2018
Jebi
Category 3
98 mph
157 km
2018
Trami
Category 1
98 mph
168 km
2018
Cimaron
Category 1
92 mph
175 km
2017
Noru
Category 1
69 mph
127 km
2016
Malakas
Category 2
86 mph
132 km
2015
Goni
Category 3
104 mph
205 km
2015
Nangka
Category 1
86 mph
172 km
2014
Phanfone
Category 2
92 mph
231 km
2014
Halong
Category 1
81 mph
103 km
2012
Jelawat
Category 1
92 mph
243 km
2011
Roke
Category 4
98 mph
286 km
2011
Ma-on
Category 1
86 mph
127 km
2009
Melor
Category 1
92 mph
295 km
2008
Sinlaku
Category 1
75 mph
193 km
2007
Usagi
Category 3
98 mph
131 km
2007
Man-yi
Category 2
86 mph
121 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 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
140 km
1596
BEPPU BAY, KYUSHU
Eruption + Earthquake
8.0 m
708
108 km
1872
SW. HONSHU ISLAND
Earthquake
3.0 m
804
140 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
132 km
1899
SEIKAIDO
Earthquake
—
—
127 km
1715
SEIKAIDO
Earthquake
—
—
108 km
1698
SEIKAIDO-NANKAIDO
Earthquake
—
—
108 km
1597
BEPPU BAY, JAPAN
Eruption + Earthquake
—
40
116 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km.
Closest: Abu (129 km).
Name
Type
Elevation
Last Eruption
Distance
Abu
Shield(s)
641 m (2,103 ft)
-6850
129 km
Yufu-Tsurumi
Lava dome(s)
1,584 m (5,197 ft)
867
135 km
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
151 km
Kujusan
Stratovolcano(es)
1,791 m (5,876 ft)
1996
157 km
Asosan
Caldera
1,592 m (5,223 ft)
2020
180 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
40°F (4°C)
2.2 in
Coldest
February
41°F (5°C)
3.0 in
March
47°F (8°C)
4.5 in
April
57°F (14°C)
6.7 in
May
65°F (18°C)
6.9 in
June
71°F (22°C)
10.7 in
Wettest
July
79°F (26°C)
9.1 in
August
80°F (27°C)
6.2 in
Warmest
September
74°F (23°C)
8.3 in
October
63°F (17°C)
5.2 in
November
53°F (12°C)
3.2 in
December
44°F (7°C)
2.2 in
Driest
Masaki-chō has a seasonal temperature swing of 40°F / from 40°F in January to 80°F in August. Total annual precipitation is 68.4 inches, with June being the wettest month (10.7") and December the driest (2.2").