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