Article · Wikipedia archive · Last revised Jul 21, 2026

Seto, Ehime

Seto was a town located in Nishiuwa District, Ehime Prefecture, Japan.

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Jul 21, 2026
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Seto (瀬戸町, Seto-chō) was a town located in Nishiuwa District, Ehime Prefecture, Japan.

As of 2003, the town had an estimated population of 2,696 and a density of 84.01 persons per km2. The total area was 32.09 km2.

On April 1, 2005, Seto, along with the town of Misaki (also from Nishiuwa District), was merged into the expanded town of Ikata.

Climate

Climate data for Seto, Ehime (1997−2020 normals, extremes 1997−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 18.6
(65.5) 		21.1
(70.0) 		22.0
(71.6) 		26.6
(79.9) 		31.0
(87.8) 		31.9
(89.4) 		33.2
(91.8) 		34.4
(93.9) 		33.9
(93.0) 		30.7
(87.3) 		26.2
(79.2) 		20.8
(69.4) 		34.4
(93.9)
Mean daily maximum °C (°F) 8.8
(47.8) 		9.7
(49.5) 		12.7
(54.9) 		17.4
(63.3) 		21.5
(70.7) 		24.1
(75.4) 		27.9
(82.2) 		29.6
(85.3) 		26.3
(79.3) 		21.6
(70.9) 		16.7
(62.1) 		11.5
(52.7) 		19.0
(66.2)
Daily mean °C (°F) 6.7
(44.1) 		7.2
(45.0) 		9.7
(49.5) 		13.9
(57.0) 		18.0
(64.4) 		21.0
(69.8) 		24.8
(76.6) 		26.2
(79.2) 		23.4
(74.1) 		19.2
(66.6) 		14.4
(57.9) 		9.2
(48.6) 		16.1
(61.1)
Mean daily minimum °C (°F) 4.6
(40.3) 		4.9
(40.8) 		7.0
(44.6) 		11.0
(51.8) 		15.1
(59.2) 		18.7
(65.7) 		22.7
(72.9) 		24.0
(75.2) 		21.4
(70.5) 		17.2
(63.0) 		12.3
(54.1) 		7.1
(44.8) 		13.8
(56.9)
Record low °C (°F) −4.8
(23.4) 		−3.7
(25.3) 		−1.8
(28.8) 		4.7
(40.5) 		8.9
(48.0) 		14.0
(57.2) 		17.5
(63.5) 		18.6
(65.5) 		14.3
(57.7) 		8.7
(47.7) 		2.8
(37.0) 		−3.3
(26.1) 		−4.8
(23.4)
Average precipitation mm (inches) 65.1
(2.56) 		75.1
(2.96) 		110.5
(4.35) 		118.2
(4.65) 		155.8
(6.13) 		285.7
(11.25) 		218.7
(8.61) 		104.9
(4.13) 		193.9
(7.63) 		138.6
(5.46) 		85.8
(3.38) 		74.4
(2.93) 		1,627.7
(64.08)
Average precipitation days (≥ 1.0 mm) 8.3 8.6 9.8 9.7 8.9 12.5 10.0 6.7 9.9 7.4 7.3 8.1 107.2
Mean monthly sunshine hours 122.7 138.2 186.8 202.0 213.6 150.5 195.2 238.4 178.0 171.0 140.0 117.3 2,041.6
Source: JMA12
References

References