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Template:Mount Unzen weatherbox

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Climate data for Mount Unzen, 1991–2020 normals, extremes 1924–present
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 17.3
(63.1)
18.2
(64.8)
21.2
(70.2)
25.3
(77.5)
29.4
(84.9)
31.0
(87.8)
32.8
(91.0)
33.2
(91.8)
31.3
(88.3)
27.6
(81.7)
22.5
(72.5)
18.6
(65.5)
33.2
(91.8)
Mean daily maximum °C (°F) 6.1
(43.0)
7.7
(45.9)
11.2
(52.2)
16.1
(61.0)
20.5
(68.9)
22.7
(72.9)
25.8
(78.4)
27.2
(81.0)
24.5
(76.1)
19.8
(67.6)
14.2
(57.6)
8.6
(47.5)
17.0
(62.7)
Daily mean °C (°F) 2.5
(36.5)
3.6
(38.5)
6.8
(44.2)
11.5
(52.7)
15.9
(60.6)
19.2
(66.6)
22.5
(72.5)
23.3
(73.9)
20.4
(68.7)
15.3
(59.5)
10.0
(50.0)
4.7
(40.5)
13.0
(55.4)
Mean daily minimum °C (°F) −0.7
(30.7)
−0.1
(31.8)
2.8
(37.0)
7.2
(45.0)
11.6
(52.9)
16.1
(61.0)
20.0
(68.0)
20.5
(68.9)
17.1
(62.8)
11.5
(52.7)
6.3
(43.3)
1.2
(34.2)
9.5
(49.0)
Record low °C (°F) −12.2
(10.0)
−12.8
(9.0)
−11.7
(10.9)
−6.0
(21.2)
1.3
(34.3)
7.6
(45.7)
13.0
(55.4)
12.9
(55.2)
8.1
(46.6)
0.3
(32.5)
−6.0
(21.2)
−10.2
(13.6)
−12.8
(9.0)
Average precipitation mm (inches) 88.2
(3.47)
129.2
(5.09)
202.5
(7.97)
253.3
(9.97)
265.1
(10.44)
575.4
(22.65)
513.6
(20.22)
314.4
(12.38)
260.7
(10.26)
132.8
(5.23)
123.5
(4.86)
103.1
(4.06)
2,961.8
(116.6)
Average snowfall cm (inches) 12
(4.7)
8
(3.1)
2
(0.8)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
0
(0)
3
(1.2)
25
(9.8)
Average precipitation days (≥ 1.0 mm) 8.4 9.5 11.8 10.8 10.9 15.5 13.2 11.0 10.3 7.4 9.2 8.9 126.9
Average snowy days (≥ 1 cm) 3.0 2.6 0.9 0 0 0 0 0 0 0 0 0.6 7.1
Average relative humidity (%) 78 76 75 74 76 86 90 86 83 79 80 78 80
Mean monthly sunshine hours 88.4 101.9 133.6 149.7 159.6 94.2 105.8 132.3 123.6 140.6 108.8 96.4 1,436.6
Source 1: JMA[1]
Source 2: JMA[2]

References

  1. ^ 観測史上1~10位の値(年間を通じての値). JMA. Retrieved February 16, 2022.
  2. ^ 気象庁 / 平年値(年・月ごとの値). JMA. Retrieved February 16, 2022.