| Climate data for Port Kutsugata, Rishiri, 1991–2020 normals, extremes 1976–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 7.3 (45.1) |
7.4 (45.3) |
12.4 (54.3) |
19.3 (66.7) |
23.8 (74.8) |
28.6 (83.5) |
31.9 (89.4) |
32.5 (90.5) |
30.4 (86.7) |
21.8 (71.2) |
16.7 (62.1) |
12.1 (53.8) |
32.5 (90.5) |
| Mean daily maximum °C (°F) | −1.8 (28.8) |
−1.4 (29.5) |
2.1 (35.8) |
7.6 (45.7) |
13.2 (55.8) |
17.3 (63.1) |
21.4 (70.5) |
23.1 (73.6) |
20.6 (69.1) |
14.4 (57.9) |
6.7 (44.1) |
0.5 (32.9) |
10.3 (50.6) |
| Daily mean °C (°F) | −4 (25) |
−3.8 (25.2) |
−0.3 (31.5) |
4.6 (40.3) |
9.6 (49.3) |
13.7 (56.7) |
18.0 (64.4) |
19.9 (67.8) |
17.3 (63.1) |
11.5 (52.7) |
4.0 (39.2) |
−1.8 (28.8) |
7.4 (45.3) |
| Mean daily minimum °C (°F) | −6.4 (20.5) |
−6.5 (20.3) |
−3.2 (26.2) |
1.4 (34.5) |
6.1 (43.0) |
10.4 (50.7) |
14.9 (58.8) |
16.6 (61.9) |
13.5 (56.3) |
8.0 (46.4) |
1.2 (34.2) |
−4.2 (24.4) |
4.3 (39.8) |
| Record low °C (°F) | −15.7 (3.7) |
−16.9 (1.6) |
−14.4 (6.1) |
−6.4 (20.5) |
−1.8 (28.8) |
1.3 (34.3) |
5.5 (41.9) |
8.8 (47.8) |
5.4 (41.7) |
−0.7 (30.7) |
−10.5 (13.1) |
−12.3 (9.9) |
−16.9 (1.6) |
| Average precipitation mm (inches) | 46.4 (1.83) |
33.3 (1.31) |
34.8 (1.37) |
41.2 (1.62) |
68.4 (2.69) |
62.1 (2.44) |
93.8 (3.69) |
118.2 (4.65) |
117.9 (4.64) |
117.5 (4.63) |
106.5 (4.19) |
72.6 (2.86) |
912.7 (35.92) |
| Average precipitation days (≥ 1.0 mm) | 13.9 | 11.2 | 9.0 | 8.5 | 9.3 | 8.6 | 8.6 | 9.1 | 11.0 | 13.3 | 13.0 | 13.8 | 129.3 |
| Mean monthly sunshine hours | 42.5 | 74.3 | 133.1 | 173.0 | 184.3 | 153.4 | 152.5 | 162.0 | 175.1 | 137.7 | 65.8 | 37.8 | 1,492.5 |
| 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.