| Climate data for Yonaguni, 1991–2020 normals, extremes 1956–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 27.5 (81.5) |
27.7 (81.9) |
29.0 (84.2) |
30.4 (86.7) |
33.1 (91.6) |
34.2 (93.6) |
35.5 (95.9) |
34.6 (94.3) |
34.4 (93.9) |
33.9 (93.0) |
30.2 (86.4) |
28.0 (82.4) |
35.5 (95.9) |
| Mean daily maximum °C (°F) | 20.7 (69.3) |
21.3 (70.3) |
23.0 (73.4) |
25.5 (77.9) |
28.0 (82.4) |
30.3 (86.5) |
31.7 (89.1) |
31.4 (88.5) |
30.0 (86.0) |
27.8 (82.0) |
25.3 (77.5) |
22.2 (72.0) |
26.4 (79.6) |
| Daily mean °C (°F) | 18.5 (65.3) |
19.0 (66.2) |
20.5 (68.9) |
23.0 (73.4) |
25.4 (77.7) |
27.9 (82.2) |
28.9 (84.0) |
28.7 (83.7) |
27.5 (81.5) |
25.4 (77.7) |
23.1 (73.6) |
20.1 (68.2) |
24.0 (75.2) |
| Mean daily minimum °C (°F) | 16.6 (61.9) |
17.0 (62.6) |
18.3 (64.9) |
20.9 (69.6) |
23.4 (74.1) |
26.0 (78.8) |
26.8 (80.2) |
26.4 (79.5) |
25.3 (77.5) |
23.6 (74.5) |
21.3 (70.3) |
18.2 (64.8) |
22.0 (71.6) |
| Record low °C (°F) | 7.7 (45.9) |
8.4 (47.1) |
9.0 (48.2) |
12.1 (53.8) |
15.0 (59.0) |
17.6 (63.7) |
21.9 (71.4) |
21.7 (71.1) |
18.2 (64.8) |
16.2 (61.2) |
11.4 (52.5) |
9.1 (48.4) |
7.7 (45.9) |
| Average precipitation mm (inches) | 187.2 (7.37) |
163.6 (6.44) |
163.7 (6.44) |
153.0 (6.02) |
207.3 (8.16) |
162.3 (6.39) |
125.3 (4.93) |
213.0 (8.39) |
285.7 (11.25) |
238.5 (9.39) |
222.6 (8.76) |
200.8 (7.91) |
2,323 (91.45) |
| Average rainy days | 15.8 | 13.6 | 13.4 | 11.1 | 11.3 | 9.3 | 8.4 | 10.4 | 11.7 | 10.8 | 13.6 | 15.7 | 145.1 |
| Average relative humidity (%) | 75 | 76 | 77 | 79 | 81 | 83 | 80 | 81 | 79 | 75 | 76 | 74 | 78 |
| Mean monthly sunshine hours | 52.8 | 60.3 | 88.1 | 104.7 | 142.3 | 182.3 | 257.9 | 227.4 | 180.9 | 132.2 | 86.0 | 59.0 | 1,573.9 |
| Source: JMA (1981-2010) [1] JMA (extremes) [2] | |||||||||||||
References
- ^ "Yonagunijima Climate Normals 1981-2010" (in Japanese). Japan Meteorological Agency. Retrieved February 5, 2014.
- ^ "観測史上1～10位の値（年間を通じての値）" (in Japanese). Japan Meteorological Agency. Retrieved February 16, 2022.