Template:Hachijo-jima weatherbox
| Climate data for Hachijō-jima (1991−2020 normals, extremes 1906−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 21.5 (70.7) |
21.9 (71.4) |
22.7 (72.9) |
26.3 (79.3) |
27.4 (81.3) |
30.4 (86.7) |
34.2 (93.6) |
34.8 (94.6) |
33.2 (91.8) |
31.0 (87.8) |
26.3 (79.3) |
24.6 (76.3) |
34.8 (94.6) |
| Mean daily maximum °C (°F) | 12.9 (55.2) |
13.5 (56.3) |
15.8 (60.4) |
18.9 (66.0) |
21.8 (71.2) |
24.1 (75.4) |
27.7 (81.9) |
29.6 (85.3) |
27.6 (81.7) |
23.8 (74.8) |
20.0 (68.0) |
15.6 (60.1) |
20.9 (69.6) |
| Daily mean °C (°F) | 10.1 (50.2) |
10.4 (50.7) |
12.5 (54.5) |
15.8 (60.4) |
18.8 (65.8) |
21.3 (70.3) |
25.2 (77.4) |
26.5 (79.7) |
24.5 (76.1) |
21.0 (69.8) |
16.9 (62.4) |
12.7 (54.9) |
18.0 (64.4) |
| Mean daily minimum °C (°F) | 7.6 (45.7) |
7.5 (45.5) |
9.3 (48.7) |
12.9 (55.2) |
16.2 (61.2) |
19.4 (66.9) |
23.3 (73.9) |
24.3 (75.7) |
22.3 (72.1) |
18.7 (65.7) |
14.2 (57.6) |
9.9 (49.8) |
15.5 (59.9) |
| Record low °C (°F) | −1.8 (28.8) |
−2.0 (28.4) |
0.0 (32.0) |
4.5 (40.1) |
8.3 (46.9) |
11.5 (52.7) |
15.6 (60.1) |
16.7 (62.1) |
14.7 (58.5) |
10.4 (50.7) |
5.9 (42.6) |
0.3 (32.5) |
−2.0 (28.4) |
| Average precipitation mm (inches) | 201.7 (7.94) |
205.5 (8.09) |
296.5 (11.67) |
215.2 (8.47) |
256.7 (10.11) |
390.3 (15.37) |
254.1 (10.00) |
169.5 (6.67) |
360.5 (14.19) |
479.1 (18.86) |
277.4 (10.92) |
200.2 (7.88) |
3,306.7 (130.17) |
| Average rainy days | 14.1 | 13.7 | 16.3 | 12.9 | 12.7 | 15.3 | 10.5 | 10.8 | 15.0 | 16.5 | 14.0 | 14.3 | 166.1 |
| Average relative humidity (%) | 68 | 69 | 71 | 77 | 84 | 91 | 92 | 87 | 86 | 82 | 74 | 69 | 79 |
| Mean monthly sunshine hours | 84.9 | 87.8 | 124.5 | 139.4 | 148.5 | 87.1 | 137.3 | 185.9 | 139.6 | 107.1 | 102.6 | 100.4 | 1,445.1 |
| 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 17, 2022.
- ^ 気象庁 / 平年値（年・月ごとの値）. JMA. Retrieved February 17, 2022.