Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nishitawara enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 38°F in January while summers reach 78°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 55.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 262 feet.
Temperature
38°F Jan (3°C)78°F Jul (25°C)
Annual Average
57.8°F
7% above US avg
January Average
38°F (3°C)
July Average
78°F (25°C)
Sunny Days
236 days/yr
Geography
Elevation
262 ft (80 m)
Area
28.8 sq mi (74.7 km²)
Population Density
672/sq mi
Coordinates
34.9556°N, 134.7684°W
Timezone
Asia/Tokyo
Precipitation & Snow
Annual Rainfall55.1"
45% above US avg
Snowfall0.0"
Wettest Month (Jun)7.99"
Driest Month (Dec)1.81"
Air Quality
Earthquake History
265 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M6.9.
Jan 16, 1995
8 km S of Akashi, Japan
M6.9
47 km
22 km
Apr 11, 1990
11 km ENE of Maizuru, Japan
M6.1
85 km
362 km
Aug 7, 1992
21 km N of Miyazu, Japan
M5.8
93 km
358 km
Apr 12, 2013
6 km WNW of Sumoto, Japan
M5.8
66 km
14 km
Aug 20, 1999
22 km SE of Kainan, Japan
M5.7
119 km
66 km
Aug 28, 1991
9 km SSW of Yasugich?, Japan
M5.5
148 km
13 km
Jun 17, 2018
near the south coast of western Honshu, Japan
M5.5
81 km
10 km
Apr 21, 2000
27 km NNE of Maizuru, Japan
M5.5
103 km
347 km
Sep 24, 2003
5 km WNW of Ayabe, Japan
M5.4
56 km
372 km
Sep 3, 1997
21 km S of Yasugich?, Japan
M5.3
144 km
10 km
Jan 11, 2001
15 km E of Tottori, Japan
M5.3
67 km
33 km
Sep 16, 2002
24 km SW of Kurayoshi, Japan
M5.3
107 km
10 km
Jan 30, 1996
67 km NNE of Miyazu, Japan
M5.2
141 km
361 km
Oct 8, 2000
8 km SSW of Yonago, Japan
M5.2
140 km
10 km
Mar 13, 2019
22 km ESE of Anan, Japan
M5.2
128 km
37 km
Mar 16, 1999
10 km WNW of Kitahama, Japan
M5.1
100 km
33 km
Apr 15, 2007
11 km ENE of Ueno-ebisumachi, Japan
M5.1
135 km
16 km
May 28, 1994
12 km WNW of Nagahama, Japan
M5.1
134 km
49 km
Jul 5, 2011
12 km NNW of Gob?, Japan
M5.0
113 km
16 km
Jan 16, 1995
20 km SW of Akashi, Japan
M5.0
46 km
10 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
45 hurricanes (Category 1+) recorded within 500 km since 1980.
Strongest on record: Category 3.
Year
Name
Category
Max Wind
Closest
2023
Lan
Category 2
75 mph
164 km
2018
Jebi
Category 3
98 mph
74 km
2018
Trami
Category 1
92 mph
145 km
2018
Cimaron
Category 1
86 mph
40 km
2018
Jongdari
Category 1
75 mph
219 km
2017
Lan
Category 1
98 mph
283 km
2017
Noru
Category 1
69 mph
111 km
2016
Malakas
Category 1
81 mph
267 km
2015
Nangka
Category 1
81 mph
222 km
2014
Halong
Category 1
81 mph
256 km
2014
Phanfone
Category 1
86 mph
213 km
2012
Jelawat
Category 1
92 mph
262 km
2011
Roke
Category 3
98 mph
220 km
2011
Ma-on
Category 1
86 mph
152 km
2009
Melor
Category 1
86 mph
199 km
2008
Sinlaku
Category 1
75 mph
227 km
2007
Usagi
Category 2
92 mph
264 km
2004
Songda
Category 2
86 mph
230 km
2004
Chaba
Category 1
81 mph
128 km
2003
Etau
Category 2
86 mph
60 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
10 tsunamis recorded within 500 km.
Highest wave on record: 11.3 m (37 ft).
Year
Location
Cause
Max Wave
Deaths
Distance
1927
SW. HONSHU ISLAND
Eruption + Earthquake
11.3 m
3,022
78 km
1711
SEIONAIKAI, JAPAN
Earthquake
2.0 m
1,000
101 km
1510
OSAKA BAY
Earthquake
2.0 m
—
70 km
1909
ANEGAWA, JAPAN
Earthquake
1.8 m
41
148 km
1808
E. AWA, TOKUSHIMA PREFECTURE
Earthquake
1.5 m
—
117 km
1995
KOBE, JAPAN
Earthquake
0.3 m
6,434
49 km
1791
OASAKA BAY
Earthquake
—
—
77 km
1331
OFF TANABE, WAKAYAMA PREFECTURE
Earthquake
—
—
145 km
745
OSAKA BAY, JAPAN
Earthquake
—
—
63 km
701
SEA OF JAPAN
Earthquake
—
—
101 km
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Oki-Dogo (188 km).
Name
Type
Elevation
Last Eruption
Distance
Oki-Dogo
Shield
151 m (495 ft)
Unknown
188 km
Sanbesan
Stratovolcano
1,126 m (3,694 ft)
650
197 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
38°F (3°C)
2.2 in
Coldest
February
39°F (4°C)
2.7 in
March
44°F (7°C)
3.8 in
April
55°F (13°C)
5.1 in
May
63°F (17°C)
5.5 in
June
70°F (21°C)
8.0 in
Wettest
July
78°F (25°C)
6.6 in
August
80°F (27°C)
4.1 in
Warmest
September
72°F (22°C)
8.0 in
October
62°F (16°C)
4.4 in
November
52°F (11°C)
3.0 in
December
42°F (6°C)
1.8 in
Driest
Nishitawara has a seasonal temperature swing of 42°F / from 38°F in January to 80°F in August. Total annual precipitation is 55.1 inches, with June being the wettest month (8.0") and December the driest (1.8").