Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nakatsukuma enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 42°F in January while summers reach 81°F in July. The area gets 210 sunny days per year. Annual precipitation totals 69.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
42°F Jan (6°C)81°F Jul (27°C)
Annual Average
61.5°F
14% above US avg
January Average
42°F (6°C)
July Average
81°F (27°C)
Sunny Days
210 days/yr
Geography
Elevation
20 ft (6 m)
Area
31.8 sq mi (82.4 km²)
Population Density
801/sq mi
Coordinates
33.3235°N, 130.4422°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall69.2"
82% above US avg
Snowfall0.0"
Wettest Month (Jun)12.36"
Driest Month (Jan)2.24"
Air Quality
Earthquake History
246 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M7.0.
Apr 15, 2016
6 km ESE of Kumamoto, Japan
M7.0
66 km
10 km
Mar 20, 2005
28 km NNW of Maebaru-ch??, Japan
M6.6
61 km
10 km
Jun 11, 2006
15 km S of Tsukawaki, Japan
M6.3
69 km
140 km
Mar 13, 2014
32 km SSW of Hikari, Japan
M6.3
134 km
79 km
Apr 14, 2016
2 km SSE of Kumamoto, Japan
M6.2
64 km
9 km
Apr 14, 2016
5 km ENE of Uto, Japan
M6.0
74 km
8 km
Apr 15, 2016
6 km S of Kikuchi, Japan
M5.7
56 km
10 km
May 22, 1998
9 km NE of Bungo-Takada-shi, Japan
M5.5
105 km
81 km
Jul 12, 2015
12 km SSW of Usuki, Japan
M5.5
126 km
53 km
Apr 18, 2016
8 km NNE of Aso, Japan
M5.5
70 km
10 km
Apr 19, 2005
8 km NNW of Maebaru-ch??, Japan
M5.5
43 km
19 km
Apr 15, 2016
10 km NE of Aso, Japan
M5.5
75 km
13 km
Apr 15, 2016
5 km WSW of Aso, Japan
M5.4
70 km
4 km
Nov 4, 2002
Kyushu, Japan
M5.4
146 km
33 km
Apr 14, 2016
14 km ESE of Kumamoto, Japan
M5.4
74 km
10 km
Feb 12, 1994
4 km WSW of ?kuchi-shinohara, Japan
M5.4
142 km
31 km
Apr 15, 2016
5 km ENE of Uto, Japan
M5.3
73 km
10 km
Apr 15, 2016
13 km ESE of Kumamoto, Japan
M5.3
71 km
10 km
Apr 14, 2016
4 km NNE of Uto, Japan
M5.3
71 km
10 km
Apr 19, 2016
6 km NNE of Honmachi, Japan
M5.3
87 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
60 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2024
Shanshan
Category 2
98 mph
93 km
2022
Nanmadol
Category 2
104 mph
14 km
2022
Hinnamnor
Category 2
86 mph
237 km
2020
Haishen
Category 2
98 mph
130 km
2020
Maysak
Category 2
92 mph
221 km
2019
Francisco
Category 1
81 mph
49 km
2018
Trami
Category 1
98 mph
254 km
2018
Prapiroon
Category 1
75 mph
127 km
2017
Noru
Category 1
69 mph
243 km
2016
Malakas
Category 3
92 mph
216 km
2016
Chaba
Category 1
75 mph
247 km
2016
Namtheun
Category 1
69 mph
285 km
2015
Goni
Category 3
104 mph
58 km
2014
Halong
Category 1
86 mph
261 km
2013
Danas
Category 1
75 mph
185 km
2012
Sanba
Category 3
98 mph
233 km
2011
Ma-on
Category 1
86 mph
256 km
2007
Usagi
Category 3
98 mph
82 km
2007
Man-yi
Category 2
86 mph
192 km
2006
Shanshan
Category 2
98 mph
75 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
8 tsunamis recorded within 500 km.
Highest wave on record: 55.0 m (180 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1792
SHIMABARA BAY, KYUSHU ISLAND
Landslide
55.0 m
15,000
65 km
1596
BEPPU BAY, KYUSHU
Eruption + Earthquake
8.0 m
708
117 km
1828
AMAKUSA SEA
Earthquake
—
—
95 km
1715
SEIKAIDO
Earthquake
—
—
117 km
1698
SEIKAIDO-NANKAIDO
Earthquake
—
—
117 km
1619
YATSUSHIRO, JAPAN
Earthquake
—
—
93 km
1597
BEPPU BAY, JAPAN
Eruption + Earthquake
—
40
108 km
744
SW. KYUSHU ISLAND
Earthquake
—
1,520
103 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
9 volcanoes within 200 km.
Closest: Unzendake (64 km).
Name
Type
Elevation
Last Eruption
Distance
Unzendake
Complex
1,483 m (4,865 ft)
1996
64 km
Asosan
Caldera
1,592 m (5,223 ft)
2020
79 km
Kujusan
Stratovolcano(es)
1,791 m (5,876 ft)
1996
80 km
Yufu-Tsurumi
Lava dome(s)
1,584 m (5,197 ft)
867
88 km
Kirishimayama
Shield
1,700 m (5,577 ft)
2018
159 km
Fukue
Shield(s)
315 m (1,033 ft)
-400
166 km
Abu
Shield(s)
641 m (2,103 ft)
-6850
169 km
Yonemaru-Sumiyoshiike
Maar(s)
40 m (131 ft)
-6200
173 km
Aira
Caldera
1,117 m (3,665 ft)
2020
194 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
42°F (6°C)
2.2 in
Coldest, Driest
February
44°F (7°C)
2.9 in
March
49°F (10°C)
4.1 in
April
59°F (15°C)
5.8 in
May
67°F (19°C)
6.4 in
June
74°F (23°C)
12.4 in
Wettest
July
81°F (27°C)
11.9 in
August
82°F (28°C)
7.1 in
Warmest
September
75°F (24°C)
7.8 in
October
65°F (18°C)
3.6 in
November
55°F (13°C)
2.7 in
December
46°F (8°C)
2.3 in
Nakatsukuma has a seasonal temperature swing of 40°F / from 42°F in January to 82°F in August. Total annual precipitation is 69.2 inches, with June being the wettest month (12.4") and January the driest (2.2").